Skip to main content
Start triage

Start triage first, then route to emergency care.

Need urgent help? Start triage first, then route to emergency care.

Roxee Meds Catalog

Thiabendazole

Medication catalog facts with explicit FDA-approval, off-label, source-limited, and safety context.

Both Catalog complete Livestock/food-animal use Rx required Medicated Feed HIKAL LIMITED Official label facts Owner quick guide first

Veterinary professional?

Showing simplified owner view. Switch to Vet View for full technical detail.

Data freshness

Storefront facts
Catalog refreshed
May 5, 2026, 10:05 a.m.

These are the storefront facts Roxee uses on browse cards and quick facts.

FDA applications
FDA application data refreshed
May 5, 2026, 10:00 a.m.

Sponsor, product, and application records imported from Animal Drugs @ FDA.

Safety reports
No safety reports linked
No refresh timestamp yet

openFDA reaction terms and case summaries are supporting evidence, not proof of causality.

Source timing details
Source timing details
  • Storefront facts: Source Roxee | Refreshed May 5, 2026, 10:05 AM UTC
    The storefront fact projection used for browse cards and quick facts.
  • Animal Drugs @ FDA: Source FDA | Refreshed May 5, 2026, 10:00 AM UTC
    Applications/products are imported from FDA export data.
  • Animal Drugs @ FDA previews: Source FDA | Refreshed Feb 9, 2026, 3:05 AM UTC
    Label highlights/doc links are fetched from FDA preview endpoints.
  • Animal Drug Product Listing Directory (NDC): Source FDA | Refreshed May 5, 2026, 10:00 AM UTC
    Package/product NDCs from FDA’s electronic listing directory (XLS).

Evidence

Reviewed / Updated / Sources

Reviewed by: Not available

Last reviewed: February 12, 2026

Updated: February 12, 2026, 10:44 PM UTC

Image coming soon
Thiabendazole

Thiabendazole

Drug type: Food-animal record • Branded profile Livestock/food-animal use

Both Medicated Feed Rx required 100% storefront ready

Species: Both

Approval status: Food-animal or livestock record. This source record is for livestock or food-animal use, not a dog/cat medication profile. Food-animal rules, withdrawal intervals, and residue restrictions may apply.

Medication Snapshot

Merged from the current Roxee medication system with field-level provenance, freshness, and completeness tracking.

Thiabendazole

For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species). Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species). For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides. Species commonly shown: Both, No use class stated or implied, Goat, No Use Class Stated Or Implied.

Generic name
Thiabendazole
Brand names
Thibenzole 20% Swine Premix, Thibenzole Sheep & Goat Wormer, Equizole® Horse Wormer, Omnizole
Manufacturer
HIKAL LIMITED
Species
Both, No use class stated or implied, Goat, No Use Class Stated Or Implied, Sheep, No Use Class Stated Or Implied
Dosage forms
Medicated Feed, Liquid (Solution), Top Dressing In Feed, Drench
Prescription
Prescription required
Completeness
100%
Validation
Complete
Brand names
Thibenzole 20% Swine Premix Thibenzole Sheep & Goat Wormer Equizole® Horse Wormer Omnizole TBZ® Cattle Wormer (Drench) Thibenzole (18 mg) Equizole® 50% Wormer Paste For Horses Equizole® 50% Wormer Paste TBZ 200 Medicated Feed Premix Purina® Horse Wormer Medicated Equizole® Thibenzole Pig Wormer E-Z-EX Wormer Mintrate Block Thibenzole 300 Medicated Equizole® Horse Wormer Pellets TBZ® Wormer Paste 50% TBZ® Wormer Paste 43% E-Z-EX Wormer Pellets Thiabendazole
Dosage forms
Medicated Feed Liquid (Solution) Top Dressing In Feed Drench Paste Suspension Medicated Feed Block Pellet

Indications / Uses

For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species). Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species). For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.

Warnings / Contraindications

As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

  • As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

Side Effects

Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, Vomiting, Pinnal erythema.

FAQ

Both, No use class stated or implied, Goat, No Use Class Stated Or Implied, Sheep, No Use Class Stated Or Implied, Horse, Not For Meat Production, Pheasant, No Use Class Stated Or Implied, 1 to 8 weeks of age, Pasture

Yes. Roxee shows this as prescription-only.

Medicated Feed, Liquid (Solution), Top Dressing In Feed, Drench

Related Conditions

Source Transparency

Add to My Pet's Meds

Choose a pet, confirm current or past, and optionally add reminder notes.

Sign in to save this medication to your pet profile.

Sign in to continue

Pet Owner Quick Guide

Start here first for the safest next-step summary before the deeper medication detail.

Used for:

For control of infections of gastrointestinal roundworms ( Trichostrongylus , Haemonchus Ostertagia , and Cooperia ).

Dosing note:

Exact dosing depends on your pet's species, weight, and health status. Use your veterinarian's instructions for the exact dose and schedule.

What to watch for:

  • As a single oral dose
  • Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food
  • In severe infections in sheep, treatment should be repeated in 2 to 3 weeks
  • Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food
  • Treatment should be repeated in 2 to 3 weeks
  • Hyponatremia (1 reports)
  • Hyperglycaemia (1 reports)
  • High sodium-potassium ratio (1 reports)

When to call the vet:

  • Repeated vomiting or diarrhea.
  • Severe lethargy (hard to wake, very low energy).
  • Collapse or fainting.
  • Trouble breathing.
  • Facial swelling or hives.
  • Blood in vomit or stool.

What to tell or ask your vet today:

  • Is this medicine the right fit for my pet’s current symptoms?
  • Which warning signs mean I should call back right away?
  • How should I handle missed doses or refusal to take the medicine?
Major cautions & emergency warning signs

Side effects to monitor:

  • As a single oral dose
  • Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food
  • In severe infections in sheep, treatment should be repeated in 2 to 3 weeks
  • Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food
  • Treatment should be repeated in 2 to 3 weeks

Most reported reactions:

  • Hyponatremia (1 reports)
  • Hyperglycaemia (1 reports)
  • High sodium-potassium ratio (1 reports)

Emergency warning signs:

  • Repeated vomiting or diarrhea.
  • Severe lethargy (hard to wake, very low energy).
  • Collapse or fainting.
  • Trouble breathing.

Quick Facts

Official label facts first, then secondary summaries. Marketing content is separated below.

Species: Both
Manufacturer: HIKAL LIMITED
Form: Drench, Liquid (Solution), Medicated Feed, Medicated Feed Block, Paste, Pellet
Identifiers:
ANADA: 200565 NADA: 13022 NADA: 13407 NADA: 13954 NADA: 14350 NADA: 15123 NADA: 15875 NADA: 30103 NADA: 30578 NADA: 34114 NADA: 35631 NADA: 37410 NADA: 40205 NADA: 42633 NADA: 42910 NADA: 43141 NADA: 44654 NADA: 47333 NADA: 48487 NADA: 49461
Source metadata:

Warnings / Contraindications

As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

  • High: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.
Source metadata:

Adverse Reactions

Snapshot first, detailed rows second. This section summarizes signal data and is not a diagnosis.

Tap or hover a reaction to see what it means in plain language.

Tracked signals
32
Reported cases
32
Serious reports
17
Species represented
2
Grouped by Body System
Digestive (2) · Loss of appetite, Decreased appetite Skin & allergy (1) · Ear flapping/twitching Neurologic (2) · Unsteady walking (ataxia), Hind limb ataxia Other (27) · Increased drinking, Hyponatremia, Hyperglycaemia
Most Reported Reactions
Reaction Body system Cases Species Serious cases
Other 1 Cat 1
Other 1 Cat 1
Other 1 Cat 1
Other 1 Dog 1
Other 1 Dog 1
Other 1 Cat 1
Other 1 Dog 1
Other 1 Cat 1

Species coverage: Cat (18) Dog (14)

View detailed reaction table
Reaction Body system Species Seriousness Frequency Reports
Neurologic Cat Non-serious - 1
Digestive Cat Non-serious - 1
Other Cat Non-serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Neurologic Dog Non-serious - 1
Other Cat Serious - 1
Other Dog Serious - 1
Other Dog Serious - 1
Other Cat Serious - 1
Other Dog Serious - 1
Other Cat Non-serious - 1
Other Cat Serious - 1
Other Dog Non-serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Other Cat Serious - 1
Skin & allergy Dog Serious - 1
Other Dog Non-serious - 1
Other Dog Non-serious - 1
Other Cat Serious - 1
Other Dog Non-serious - 1
Other Dog Non-serious - 1
Digestive Cat Non-serious - 1
Other Dog Serious - 1
Other Dog Non-serious - 1
Other Dog Serious - 1
Other Cat Serious - 1
Other Dog Non-serious - 1
Other Cat Serious - 1
Other Cat Non-serious - 1
Other Cat Non-serious - 1
Source metadata:

Documents

Owner handouts and official technical documents open on-page first, with the original source still one click away.

Owner handouts

0
No owner handouts linked yet.

Official label / PI

0
No official label or package insert links yet.

SPL

19

FOI

2

E-Z-EX Wormer Mintrate Block

SPL · SPL

FDA Structured Product Label

E-Z-EX Wormer Mintrate Block

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
ADM Animal Nutrition
NADA
42910
Status
OTC
Form
Medicated Feed Block
Route
Oral
Species
Pasture
Composition / specifications
Conforms to National Formulary XII.

Cattle

Indication
For control of infections of gastrointestinal roundworms (Trichostrongylus, Haemonchus Ostertagia, and Cooperia).
Dosage
3.3 percent feed block consumed at the recommended level of 0.11 pound per 100 pounds of body weight per day.
Limitations
Administer to cattle on pasture or range accustomed to mineral protein block feeding for 3 days. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming. Animals maintained under conditions of constant worm exposure may require re-treatment within 2 to 3 weeks. Animals that are severely parasitized, sick, or off feed should be isolated and a veterinarian consulted for advice concerning treatment.

E-Z-EX Wormer Pellets

SPL · SPL

FDA Structured Product Label

E-Z-EX Wormer Pellets

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
ADM Animal Nutrition
NADA
30578
Status
OTC
Form
Pellet
Route
Oral
Species
Goat, No Use Class Stated Or Implied • No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied

Equizole®

SPL · SPL

FDA Structured Product Label

Equizole®

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
34114
Status
OTC
Form
Suspension
Route
Oral
Species
Horse, Not For Meat Production • Goat, No Use Class Stated Or Implied • No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied

Horses

Indication
For the control of infections of large strongyles (Strongylus vulgaris, Strongylus edentates), small strongyles (Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
Dosage
2 grams per 100 pounds of body weight
Limitations
Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Equizole® 50% Wormer Paste For Horses

SPL · SPL

FDA Structured Product Label

Equizole® 50% Wormer Paste For Horses Equizole® 50% Wormer Paste

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
98689
Status
OTC
Form
Paste
Route
Oral
Species
Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII. As a single liquid oral dose, administered as an oral paste.

Horses

Indication
For the control of infections of large strongyles (Strongylus vulgaris, Strongylus edentates), small strongyles (Cyathastomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
Dosage
2 grams per 100 pounds of body weight.
Limitations
Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Equizole® 50% Wormer Paste

SPL · SPL

FDA Structured Product Label

Equizole® 50% Wormer Paste For Horses Equizole® 50% Wormer Paste

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
98689
Status
OTC
Form
Paste
Route
Oral
Species
Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII. As a single liquid oral dose, administered as an oral paste.

Horses

Indication
For the control of infections of large strongyles (Strongylus vulgaris, Strongylus edentates), small strongyles (Cyathastomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
Dosage
2 grams per 100 pounds of body weight.
Limitations
Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Equizole® Horse Wormer

SPL · SPL

FDA Structured Product Label

Equizole® Horse Wormer

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
13407
Status
RX
Form
Top Dressing In Feed
Route
Oral
Species
Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII.

Horses

Indication
For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.
Dosage
2 grams per 100 pounds of body weight in feed, as a top dressing
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.
Indication
For control of ascarids of the genus Parascaris.
Dosage
4 grams per 100 pounds of body weight in feed, as a top dressing.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

Equizole® Horse Wormer Pellets

SPL · SPL

FDA Structured Product Label

Equizole® Horse Wormer Pellets

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
44654
Status
OTC
Form
Top Dressing In Feed
Route
Oral
Species
Horse, Not For Meat Production
Composition / specifications
Thiabendazole top dressing and mineral protein feed block.

Horses

Indication
For control of large strongyles, small strongyles, pinworms, and threadworms (including members of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides).
Dosage
2 grams per 100 pounds of body weight in feed.
Limitations
Add to the usual feed of horses mixed into that amount of the feed normally consumed at one feeding. Warning: Not for use in horses intended for food.
Indication
For control of ascarids of the genus Parascaris.
Dosage
4 grams per 100 pounds of body weight in feed.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

Omnizole

SPL · SPL

FDA Structured Product Label

Omnizole

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
14350
Status
OTC
Form
Drench
Route
Oral
Species
Goat, No Use Class Stated Or Implied • No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.

Cattle

Indication
Control of infections of Cooperia species or severe infections of other species
Dosage
5 grams administered orally as a drench using a dosing gun designed for the product per 100 pounds of body weight.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species., Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams administered orally as a drench using a dosing gun designed for the product per 100 pounds of body weight.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

Sheep

Indication
Control of infections of gastrointestinal roundworms in sheep. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomum species, Nematodirus species, and Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks.

Goats

Indication
Control of infections of gastrointestinal roundworms in goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomum species, Nematodirus species, and Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food.
Indication
Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species).
Dosage
3 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

TBZ 200 Medicated Feed Premix

SPL · SPL

FDA Structured Product Label

TBZ 200 Medicated Feed Premix

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
15875
Status
OTC
Form
Medicated Feed
Route
Oral
Species
Goat, No Use Class Stated Or Implied • No use class stated or implied • No Use Class Stated Or Implied • Pheasant, No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
22, 44.1 66.1, or 88.2 percent

Sheep

Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species; Nematodirus species, ,i>Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active against ova and larvae passed by sheep from 3 hours to 3 days after the feed is consumed (good activity against ova and larvae of T. colubriformis and T.axei, Ostertagia species, Nematodirus species, Strongyloides species; less effective against those of Haemonchus contortus and Oesophagostomum species).

Dosage
2 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.

Cattle

Indication

Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Nematodirus species, Oesophagostomum radiatum); control of infections of Cooperia species.

Dosage
5 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.
Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Nematodirus species, Oesophagostomum radiatum).

Dosage
3 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.

Pheasants

Indication
For the treatment of gapeworms (Syngamus trachea) in pheasants.
Dosage
454 grams per ton of feed (0.05 percent) continuously for 2 weeks (14 days).
Limitations
Fertility, hatchability, and other reproductive data are not available on use in breeding animals. Do not use in Type B or Type C medicated feed containing bentonite.

Swine

Indication
Aid in the prevention of infections of large roundworms (genus Ascaris).
Dosage
45.4- 908 grams per ton of feed (0.005-0.1 percent).
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.

Goats

Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species; Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active against ova and larvae passed by sheep from 3 hours to 3 days after the feed is consumed (good activity against ova and larvae of T. colubriformis and T. axei, Ostertagia species, Nematodirus species, Strongyloides species; less effective against those of Haemonchus contortus and Oesophagostomum species).

Dosage
2 grams in feed per 100 pounds body weight.
Limitations
Use 2 grams per 100 pounds body weight at a single dose. Do not use in Type B or Type C medicated feed containing bentonite.
Indication

Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species).

Dosage
3 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.

TBZ® Cattle Wormer (Drench)

SPL · SPL

FDA Structured Product Label

TBZ® Cattle Wormer (Drench)

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
15123
Status
OTC
Form
Liquid (Solution)
Route
Oral
Species
No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.

Cattle

Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams orally as a drench per 100 pounds of body weight
Limitations
For most effective results, severely parasitized animals or those constantly exposure to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming.
Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams orally as a drench per 100 pounds of body
Limitations
For most effective results, severely parasitized animals or those constantly exposure to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming.

TBZ® Wormer Paste 43%

SPL · SPL

FDA Structured Product Label

TBZ® Wormer Paste 43%

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
49461
Status
OTC
Form
Paste
Route
Oral
Species
No Use Class Stated Or Implied

Cattle

Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

TBZ® Wormer Paste 50%

SPL · SPL

FDA Structured Product Label

TBZ® Wormer Paste 50%

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
48487
Status
OTC
Form
Paste
Route
Oral
Species
No Use Class Stated Or Implied

Cattle

Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

Thibenzole (18 mg)

SPL · SPL

FDA Structured Product Label

Thibenzole (18 mg)

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
30103
Status
OTC
Form
Drench
Route
Oral
Species
No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.

Cattle

Indication
Control of infections of Cooperia species or severe infections of other species
Dosage
5 grams per 100 pounds of body weight administered orally as a drench using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight administered orally as a drench using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

Thibenzole 20% Swine Premix

SPL · SPL

FDA Structured Product Label

Thibenzole 20% Swine Premix

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
13954
Status
OTC
Form
Medicated Feed
Route
Oral
Species
No use class stated or implied
Composition / specifications
Dry Type A medicated articles: 22, 44.1, or 66.1 percent.

Swine

Indication
Aid in the prevention of infections of large roundworms (genus Ascaris
Dosage
45.4-908 grams per ton of feed (0.005- 0.1 percent).
Limitations
Administer continuously feed containing 0.05-0.1 percent thiabendazole per ton for 2 weeks followed by feed containing 0.005-0.02 percent thiabendazole per ton for 8-14 weeks. Do not treat animals within 30 days of slaughter. Do not use in Type B or Type C medicated feed containing bentonite.

Thibenzole 300 Medicated

SPL · SPL

FDA Structured Product Label

Thibenzole 300 Medicated

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
43141
Status
OTC
Form
Paste
Route
Oral
Species
No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary.

Cattle

Indication
Control of infections of Cooperia species or severe infections of other species.
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

Thibenzole Pig Wormer

SPL · SPL

FDA Structured Product Label

Thibenzole Pig Wormer

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
35631
Status
OTC
Form
Paste
Route
Oral
Species
1 to 8 weeks of age
Composition / specifications
Conforms to National Formulary XII.

Swine (baby pigs)

Indication
For control of infections with Strongyloides ransomi. These infections are commonly found in Southeastern United States.
Dosage
200 milligrams for each 5 to 7 pounds of body weight per dose as an oral paste.
Limitations
Administer to baby pigs (1 to 8 weeks of age). Treatment may be repeated in 5 to 7 days if necessary. Before treatment, obtain an accurate diagnosis from a veterinarian or diagnostic laboratory. Do not treat within 30 days of slaughter.

Thibenzole Sheep & Goat Wormer

SPL · SPL

FDA Structured Product Label

Thibenzole Sheep & Goat Wormer

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Boehringer Ingelheim Animal Health USA Inc.
NADA
13022
Status
OTC
Form
Liquid (Solution)
Route
Oral
Species
Goat, No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.

Sheep

Indication
For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks.

Goats

Indication
For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food.
Indication
Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species).
Dosage
3 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

Purina® Horse Wormer Medicated

SPL · SPL

FDA Structured Product Label

Purina® Horse Wormer Medicated

Rendered from Roxee's cached FDA SPL package contents for on-page reading. Use Open original for the raw FDA ZIP/XML source.

Sponsor
Virbac AH, Inc.
NADA
40205
Status
OTC
Form
Top Dressing In Feed
Route
Oral
Species
Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII.

Horses

Indication

For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.

Dosage
2 grams per 100 pounds in feed.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

Thiabendazole SPL

SPL · Structured Product Label

FDA Structured Product Label XML for Thiabendazole. Use the source link for the full official labeling record.

UCM452230.pdf

FOI · FOI

UCM457231.pdf

FOI · FOI summary

Veterinary reference (advanced)

Canonical medication sections are above. This legacy block remains available for deeper cross-reference without cluttering the primary workflow.

At a Glance

Quick facts and links to official labeling and safety signals.

Data freshness
  • Storefront facts: Source Roxee | Refreshed May 5, 2026, 10:05 AM UTC
    The storefront fact projection used for browse cards and quick facts.
  • Animal Drugs @ FDA: Source FDA | Refreshed May 5, 2026, 10:00 AM UTC
    Applications/products are imported from FDA export data.
  • Animal Drugs @ FDA previews: Source FDA | Refreshed Feb 9, 2026, 3:05 AM UTC
    Label highlights/doc links are fetched from FDA preview endpoints.
  • Animal Drug Product Listing Directory (NDC): Source FDA | Refreshed May 5, 2026, 10:00 AM UTC
    Package/product NDCs from FDA’s electronic listing directory (XLS).
Official (FDA)
Identity: Generic ingredient • FDA branded products available
Official FDA brands: Thiabendazole
Manufacturer mapping: HIKAL LIMITED
Catalog species: Both FDA-labeled species: 1 to 8 weeks of age, Goat, Horse, No Use Class Stated Or Implied, No use class stated or implied, Pasture, Pheasant, Sheep
Rx/OTC: OTC, RX
Form/route: Drench, Liquid (Solution), Medicated Feed, Medicated Feed Block, Paste, Pellet, Suspension, Top Dressing In Feed Oral
Applications: NADA 42910 • NADA 30578 • NADA 34114 • NADA 98689 • NADA 13407 • NADA 44654 • NADA 14350 • NADA 15875 • NADA 15123 • NADA 49461 • NADA 48487 • NADA 30103 • NADA 13954 • NADA 43141 • NADA 35631 • NADA 13022 • NADA 40205
NDC: Packages 66651-101-11 66651-101-12 66651-101-13 66651-101-14 66651-101-15 66651-101-16 Products 66651
Documents: 1 (FOI: 1) • SPL: 18 Label highlights Official documents
Safety (openFDA)
Top reactions: Dog 0 Cat 0 View
Case summaries: 0
openFDA reports are unverified and do not prove causation.

Explore
Related conditions: Gastrointestinal (additional)
Linked using: Fda_Label (0.95)

Diagnosis Codes
ICD10_CM: H60.90
Otitis externa, unspecified ear

Counseling and Monitoring Highlights

Global Pet owner/Vet mode is controlled in the header. This section avoids duplicate in-page persona tabs.

Owner-facing counseling points
  • As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks. (Contraindication, High)
Top reaction signals
Hyponatremia (1) Hyperglycaemia (1) High sodium-potassium ratio (1) Head bobbing (1) Generalised congestion NOS (1) Gall bladder inflammation (1) Found dead (1) Elevated total bilirubin (1)

Identifiers & Packages

Normalized identifiers (NDC/NADA/ANADA) and package metadata from regulator listings.

Identifiers
ANADA: 200565 NADA: 13022 NADA: 13407 NADA: 13954 NADA: 14350 NADA: 15123 NADA: 15875 NADA: 30103 NADA: 30578 NADA: 34114 NADA: 35631 NADA: 37410 NADA: 40205 NADA: 42633 NADA: 42910 NADA: 43141 NADA: 44654 NADA: 47333 NADA: 48487 NADA: 49461 NADA: 91067 NADA: 98689 NDC Package: 0010-5587-01 NDC Package: 0010-5587-02
Package NDC Product NDC Form / Route Status
0010-5587-01 0010 -
0010-5587-02 0010 -
0010-5587-03 0010 -
0010-5587-04 0010 -
66651-101-11 66651 -
66651-101-12 66651 -
66651-101-13 66651 -
66651-101-14 66651 -
66651-101-15 66651 -
66651-101-16 66651 -
66651-101-17 66651 -

Enriched Documents

Documents are tiered by source trust: Official, Clinical, Manufacturer, Marketing.

  • Thiabendazole SPL • Structured Product Label • Official
    FDA Structured Product Label from the electronic animal drug product listing directory.
  • UCM452230.pdf • FOI summary • Official • May 3, 2023
    FDA FOI summary for application 15875
  • UCM457231.pdf • FOI summary • Official • June 1, 2016
    FDA FOI summary for application 200565

Data Sources & Change Log

Every non-trivial field is expected to include provenance and update timestamps.

Official 45 Clinical 9 Manufacturer 0 Marketing 0
Current Field Facts
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-05-05)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-05-03)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-05-02)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-29)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-28)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-27)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-26)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-25)
  • side_effects: Top reported reactions (openFDA): Lethargy (see also Central nervous system depression in 'Neurological'), Loss of hearing, Deafness, Lack of efficacy - NOS, V… (Clinical, 2026-04-11)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-05-05)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-05-03)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-05-02)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-30)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-29)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-28)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-27)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-26)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-25)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-04-11)
  • contraindications: As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In sever… (Official, 2026-02-12)
Recent Revisions
  • side_effects updated 2026-05-05 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-05-05 10:05 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-05-05 10:05 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-05-03 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-05-03 10:05 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-05-03 10:05 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-05-02 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-05-02 10:05 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-05-02 10:05 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-04-30 10:09 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-04-30 10:09 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-04-30 10:09 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-04-29 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-04-29 10:05 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-04-29 10:05 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-04-28 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-04-28 10:05 by etl_backfill • Backfilled from existing medication fields
  • usage updated 2026-04-28 10:05 by etl_backfill • Backfilled from existing medication fields
  • side_effects updated 2026-04-27 10:05 by etl_backfill • Backfilled from existing medication fields
  • contraindications updated 2026-04-27 10:05 by etl_backfill • Backfilled from existing medication fields

FDA Products & Applications (Animal Drugs @ FDA)

Official sponsor/proprietary-name/application-status records linked by active ingredient.

Product Sponsor Application Status Published
E-Z-EX Wormer Mintrate Block
OTC
Thiabendazole
Medicated Feed Block Oral
ADM Animal Nutrition NADA 42910 W Feb 27, 2024
E-Z-EX Wormer Pellets
OTC
Thiabendazole
Pellet Oral
ADM Animal Nutrition NADA 30578 W Feb 27, 2024
Equizole®
OTC
Thiabendazole
Suspension Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 34114 W May 3, 2023
Equizole® 50% Wormer Paste For Horses Equizole® 50% Wormer Paste
OTC
Thiabendazole
Paste Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 98689 W May 3, 2023
Equizole® Horse Wormer
RX
Thiabendazole
Top Dressing In Feed Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 13407 W May 3, 2023
Equizole® Horse Wormer Pellets
OTC
Thiabendazole
Top Dressing In Feed Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 44654 W May 3, 2023
Omnizole
OTC
Thiabendazole
Drench Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 14350 W May 3, 2023
TBZ 200 Medicated Feed Premix
OTC
Thiabendazole
Medicated Feed Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 15875 W May 3, 2023
TBZ® Cattle Wormer (Drench)
OTC
Thiabendazole
Liquid (Solution) Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 15123 W May 3, 2023
TBZ® Wormer Paste 43%
OTC
Thiabendazole
Paste Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 49461 W May 3, 2023
TBZ® Wormer Paste 50%
OTC
Thiabendazole
Paste Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 48487 W May 3, 2023
Thibenzole (18 mg)
OTC
Thiabendazole
Drench Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 30103 W May 3, 2023
Thibenzole 20% Swine Premix
OTC
Thiabendazole
Medicated Feed Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 13954 W May 3, 2023
Thibenzole 300 Medicated
OTC
Thiabendazole
Paste Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 43141 W May 3, 2023
Thibenzole Pig Wormer
OTC
Thiabendazole
Paste Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 35631 W May 3, 2023
Thibenzole Sheep & Goat Wormer
OTC
Thiabendazole
Liquid (Solution) Oral
Boehringer Ingelheim Animal Health USA Inc. NADA 13022 W May 3, 2023
Purina® Horse Wormer Medicated
OTC
Thiabendazole
Top Dressing In Feed Oral
Virbac AH, Inc. NADA 40205 W Mar 15, 2019

Data source: FDA Animal Drugs @ FDA (public search export).

What It's For (FDA Label Highlights)

Extracted from FDA Animal Drugs @ FDA product labeling. Always confirm details with your veterinarian.

Species: Pasture
Composition / specifications
Conforms to National Formulary XII.
Cattle
Indication
For control of infections of gastrointestinal roundworms (Trichostrongylus, Haemonchus Ostertagia, and Cooperia).
Dosage
3.3 percent feed block consumed at the recommended level of 0.11 pound per 100 pounds of body weight per day.
Limitations
Administer to cattle on pasture or range accustomed to mineral protein block feeding for 3 days. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming. Animals maintained under conditions of constant worm exposure may require re-treatment within 2 to 3 weeks. Animals that are severely parasitized, sick, or off feed should be isolated and a veterinarian consulted for advice concerning treatment.

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production • Goat, No Use Class Stated Or Implied • No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Horses
Indication
For the control of infections of large strongyles (Strongylus vulgaris, Strongylus edentates), small strongyles (Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
Dosage
2 grams per 100 pounds of body weight
Limitations
Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII. As a single liquid oral dose, administered as an oral paste.
Horses
Indication
For the control of infections of large strongyles (Strongylus vulgaris, Strongylus edentates), small strongyles (Cyathastomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
Dosage
2 grams per 100 pounds of body weight.
Limitations
Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII.
Horses
Indication
For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.
Dosage
2 grams per 100 pounds of body weight in feed, as a top dressing
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.
Indication
For control of ascarids of the genus Parascaris.
Dosage
4 grams per 100 pounds of body weight in feed, as a top dressing.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production
Composition / specifications
Thiabendazole top dressing and mineral protein feed block.
Horses
Indication
For control of large strongyles, small strongyles, pinworms, and threadworms (including members of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides).
Dosage
2 grams per 100 pounds of body weight in feed.
Limitations
Add to the usual feed of horses mixed into that amount of the feed normally consumed at one feeding. Warning: Not for use in horses intended for food.
Indication
For control of ascarids of the genus Parascaris.
Dosage
4 grams per 100 pounds of body weight in feed.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

FDA page: Open in Animal Drugs @ FDA

Species: Goat, No Use Class Stated Or Implied • No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.
Cattle
Indication
Control of infections of Cooperia species or severe infections of other species
Dosage
5 grams administered orally as a drench using a dosing gun designed for the product per 100 pounds of body weight.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species., Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams administered orally as a drench using a dosing gun designed for the product per 100 pounds of body weight.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Sheep
Indication
Control of infections of gastrointestinal roundworms in sheep. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomum species, Nematodirus species, and Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks.
Goats
Indication
Control of infections of gastrointestinal roundworms in goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomum species, Nematodirus species, and Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food.
Indication
Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species).
Dosage
3 grams, orally, as a drench, per 100 pounds of body weight.
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

FDA page: Open in Animal Drugs @ FDA

Species: Goat, No Use Class Stated Or Implied • No use class stated or implied • No Use Class Stated Or Implied • Pheasant, No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
22, 44.1 66.1, or 88.2 percent
Sheep
Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species; Nematodirus species, ,i>Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active against ova and larvae passed by sheep from 3 hours to 3 days after the feed is consumed (good activity against ova and larvae of T. colubriformis and T.axei, Ostertagia species, Nematodirus species, Strongyloides species; less effective against those of Haemonchus contortus and Oesophagostomum species).

Dosage
2 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.
Cattle
Indication

Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Nematodirus species, Oesophagostomum radiatum); control of infections of Cooperia species.

Dosage
5 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.
Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Nematodirus species, Oesophagostomum radiatum).

Dosage
3 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.
Pheasants
Indication
For the treatment of gapeworms (Syngamus trachea) in pheasants.
Dosage
454 grams per ton of feed (0.05 percent) continuously for 2 weeks (14 days).
Limitations
Fertility, hatchability, and other reproductive data are not available on use in breeding animals. Do not use in Type B or Type C medicated feed containing bentonite.
Swine
Indication
Aid in the prevention of infections of large roundworms (genus Ascaris).
Dosage
45.4- 908 grams per ton of feed (0.005-0.1 percent).
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.
Goats
Indication

Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species; Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active against ova and larvae passed by sheep from 3 hours to 3 days after the feed is consumed (good activity against ova and larvae of T. colubriformis and T. axei, Ostertagia species, Nematodirus species, Strongyloides species; less effective against those of Haemonchus contortus and Oesophagostomum species).

Dosage
2 grams in feed per 100 pounds body weight.
Limitations
Use 2 grams per 100 pounds body weight at a single dose. Do not use in Type B or Type C medicated feed containing bentonite.
Indication

Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomum species, Strongyloides species, Chabertia species, and Oesophagostomum species).

Dosage
3 grams in feed per 100 pounds body weight.
Limitations
Do not use in Type B or Type C medicated feed containing bentonite.

FDA page: Open in Animal Drugs @ FDA

Species: No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.
Cattle
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams orally as a drench per 100 pounds of body weight
Limitations
For most effective results, severely parasitized animals or those constantly exposure to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming.
Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams orally as a drench per 100 pounds of body
Limitations
For most effective results, severely parasitized animals or those constantly exposure to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming.

FDA page: Open in Animal Drugs @ FDA

Species: No Use Class Stated Or Implied
Cattle
Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

FDA page: Open in Animal Drugs @ FDA

Species: No Use Class Stated Or Implied
Cattle
Indication
Control of infections of Cooperia species or severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

FDA page: Open in Animal Drugs @ FDA

Species: No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.
Cattle
Indication
Control of infections of Cooperia species or severe infections of other species
Dosage
5 grams per 100 pounds of body weight administered orally as a drench using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight administered orally as a drench using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

FDA page: Open in Animal Drugs @ FDA

Species: No use class stated or implied
Composition / specifications
Dry Type A medicated articles: 22, 44.1, or 66.1 percent.
Swine
Indication
Aid in the prevention of infections of large roundworms (genus Ascaris
Dosage
45.4-908 grams per ton of feed (0.005- 0.1 percent).
Limitations
Administer continuously feed containing 0.05-0.1 percent thiabendazole per ton for 2 weeks followed by feed containing 0.005-0.02 percent thiabendazole per ton for 8-14 weeks. Do not treat animals within 30 days of slaughter. Do not use in Type B or Type C medicated feed containing bentonite.

FDA page: Open in Animal Drugs @ FDA

Species: No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary.
Cattle
Indication
Control of infections of Cooperia species or severe infections of other species.
Dosage
5 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
Indication
Control of infections of gastrointestinal roundworms (Trichostrongylus species Haemonchus species, Nematodirus species, Ostertagia species, and Oesophagostomum radiatum).
Dosage
3 grams per 100 pounds of body weight orally as a drench and in paste form using a dosing gun designed for the product.
Limitations
For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.

FDA page: Open in Animal Drugs @ FDA

Species: 1 to 8 weeks of age
Composition / specifications
Conforms to National Formulary XII.
Swine (baby pigs)
Indication
For control of infections with Strongyloides ransomi. These infections are commonly found in Southeastern United States.
Dosage
200 milligrams for each 5 to 7 pounds of body weight per dose as an oral paste.
Limitations
Administer to baby pigs (1 to 8 weeks of age). Treatment may be repeated in 5 to 7 days if necessary. Before treatment, obtain an accurate diagnosis from a veterinarian or diagnostic laboratory. Do not treat within 30 days of slaughter.

FDA page: Open in Animal Drugs @ FDA

Species: Goat, No Use Class Stated Or Implied • Sheep, No Use Class Stated Or Implied
Composition / specifications
Conforms to National Formulary XII.
Sheep
Indication
For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks.
Goats
Indication
For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species).
Dosage
2 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food.
Indication
Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species).
Dosage
3 grams per 100 pounds of body weight orally, as a drench
Limitations
As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production
Composition / specifications
Conforms to National Formulary XII.
Horses
Indication

For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.

Dosage
2 grams per 100 pounds in feed.
Limitations
Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.

FDA page: Open in Animal Drugs @ FDA

Usage

For control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia species, Bunostomom species, Nematodirus species, Strongyloides species; less effective against Haemonchus contortus and Oesophagostomum species). Control of severe infections of gastrointestinal roundworms (Trichostrongylus species, Haemonchus species, Ostertagia species, Cooperia species, Nematodirus species, Bunostomom species, Strongyloides species, Chabertia species, and Oesophagostomum species). For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.

Source: FDA Animal Drugs @ FDA • Reference

Contraindications

As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. In severe infections in sheep, treatment should be repeated in 2 to 3 weeks. As a single oral dose. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. As a single oral dose. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Treatment should be repeated in 2 to 3 weeks.

Top Reported Reactions (openFDA)

De-duplicated reaction terms grouped by body system from FDA openFDA reports (not verified; does not prove causation).

Digestive
Loss of appetite (1) • Cat Decreased appetite (1) • Cat

Showing top 5 for Digestive.

Skin & allergy
Ear flapping/twitching (1) • Dog

Showing top 5 for Skin & allergy.

Neurologic
Unsteady walking (1) • Cat Hind limb ataxia (1) • Dog

Showing top 5 for Neurologic.

Other
Increased drinking (1) • Cat Hyponatremia (1) • Cat Hyperglycaemia (1) • Cat High sodium-potassium ratio (1) • Cat Head bobbing (1) • Dog
Show more (22)
Generalised congestion NOS (1) • Dog Gall bladder inflammation (1) • Cat Found dead (1) • Dog Flaking skin (1) • Cat Elevated total bilirubin (1) • Cat Elevated temperature (1) • Dog Elevated serum alkaline phosphatase (1) • Cat Elevated gamma-glutamyl transferase (1) • Cat Elevated alanine aminotransferase (1) • Cat Ear discharge (1) • Dog Dilated pupils (1) • Dog Diabetic ketoacidosis (1) • Cat Decreased heart rate (1) • Dog Decreased blood urea nitrogen (BUN) or creatinine (1) • Dog Deafness (1) • Dog Dazed (1) • Dog Chattering of teeth (1) • Dog Azotaemia (1) • Cat Anaemia NOS (1) • Dog Abnormal ultrasound finding (1) • Cat Abnormal radiograph finding (1) • Cat Abnormal cytology (1) • Cat

Showing top 5 for Other.

Data source: FDA openFDA Animal & Veterinary adverse event reports.

Adverse Event Case Summaries (openFDA)

These are individual FDA adverse event reports. They are unverified and do not prove the medication caused the reaction.

No case-level openFDA reports are linked for this medication yet.

Data source: FDA openFDA Animal & Veterinary adverse event reports.

Overdose Information

No approved overdose-management text is linked yet. If overdose is suspected, contact a veterinarian or emergency clinic immediately.

Storage & Handling

No approved storage guidance is linked yet for this ingredient. Use manufacturer packaging and veterinary guidance for handling/storage.

Share Your Thoughts

Let others know your experience or advice regarding this medication.

This medication has not been reviewed by a veterinarian yet.