Roxee Meds Catalog

Moxidectin

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

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Evidence

Reviewed / Updated / Sources

Reviewed by: Not available

Last reviewed: February 12, 2026

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

Sources:

FDA application profile · official_label
FDA application profile · official_label
Medication usage source · fda_animal_drugs
Quest® Gel · official_label
openFDA case USA-USFDACVM-2025-US-068758 · adverse_reaction

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Moxidectin

Drug type: Generic ingredient • Branded profile • FDA branded products available

Both Tablet Rx required 100% storefront ready

Species: Both

Manufacturer: Multiple FDA labelers

Medication Snapshot

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

Moxidectin

To prevent infection by the canine heartworm Dirofilaria immitis and the subsequent development of canine heartworm disease. For the treatment and control of the following stages of gastrointestinal parasites in horses and ponies: Large Strongyles : Strongylus vulgaris : (adults and L4 / L5 arterial stages), Strongylus edentatus : (adults and tissue stages), Triodontophorus brevicauda : (adults), Triodontophorus serratus : (adults) Small Strongyles (adults): Cyathostomum spp., including Cyathostomum catinatum , Cyathostomum pateratum Cylicostephanus spp., including Cylicostephanus calicatus , Cylicostephanus goldi , Cylicostephanus longibursatus , Cylicostephanus minutus Cylicocyclus spp., including Cylicocyclus insigne , Cylicocyclus leptostomum , Cylicocyclus nassatus , Cylicocyclus radiatus Coronocyclus spp., including Coronocyclus coronatus , Coronocyclus labiatus , Coronocyclus labratus , Gyalocephalus capitatus , Petrovinema poculatus Small Strongyles : Undifferentiated lumenal larvae Encysted cyathostomes : Late L3 and L4 mucosal cyathostome larvae Ascarids : Parascaris equorum : (adults and L4 larval stages) Pinworms : Oxyuris equi : (adults and L4 larval stages) Hairworms : Trichostrongylus axei : (adults) Large-mouth stomach worms : Habronema muscae : (adults) Horse stomach bots : Gasterophilus intestinalis : (2nd and 3rd instars), Gasterophilus nasalis : (3rd instars) One administration of the recommended dose rate of QUEST (moxidectin) 2% Equine Oral Gel also suppresses strongyle egg production through 84 days. QUEST is indicated for use in horses and ponies, including breeding mares and stallions, and foals six months of age and older. For treatment and control of internal and external parasites: gastrointestinal roundworms ( Ostertagia ostertagi (adult and L4, including inhibited larvae), Haemonchus placei (adult and L4), Trichostrongylus axei (adult and L4), T. colubriformis (adult and L4), Cooperia oncophora (adult and L4), C. pectinata (adult), C. punctata (adult and L4), C. spatulata (adult), C. surnabada (adult and L4), Bunostomum phlebotomum (adult), Oesophagostomum radiatum (adult and L4), Nematodirus helvetianus (adult and L4)); lungworms ( Dictyocaulus viviparus , adult and L4); cattle grubs ( Hypoderma bovis , H. lineatum ); mites ( Chorioptes bovis , Psoroptes ovis ( P. communis var. bovis )); lice ( Linognathus vituli , Haematopinus eurysternus , Solenopotes capillatus , Bovicola ( Damalinia ) bovis ); and horn flies ( Haematobia irritans ). To control infections and to protect from reinfection with H. placei for 14 days after treatment, O. radiatum and O. ostertagi for 28 days after treatment, and D. viviparus for 42 days after treatment. Species commonly shown: Both, Dog, Excluding Under 8 Weeks Age, Horse, Not For Meat Production.

Generic name

Moxidectin

Brand names

ProHeart™, Quest® Gel, Cydectin™ (moxidectin) Pour-On for Beef and Dairy Cattle, ProHeart® 6

Manufacturer

Multiple FDA labelers

Species

Both, Dog, Excluding Under 8 Weeks Age, Horse, Not For Meat Production, Pony, No Use Class Stated Or Implied

Dosage forms

Tablet, Gel, Solution, Microspheres

Prescription

Prescription required

Completeness

100%

Validation

Complete

Brand names

ProHeart™ Quest® Gel Cydectin™ (moxidectin) Pour-On for Beef and Dairy Cattle ProHeart® 6 Cydectin® Cydectin® Oral Drench for Sheep CORAXIS™ Tauramox™ MoxiSolv™ Injection Moxidectin Oral Drench for Sheep Tauramox Cydectin MoxiSolv Quest ProHeart 12 ProHeart 6 AX Pharmaceutical Corp Moxidectin

Dosage forms

Tablet Gel Solution Microspheres Liquid (Solution) Injectable Solution

Indications / Uses

Warnings / Contraindications

Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result. Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions. Do not use in sick, debilitated, or underweight animals. Do not use in horses intended for human consumption. A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal.

Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result. Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions. Do not use in sick, debilitated, or underweight animals. Do not use in horses intended for human consumption. A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal.

Side Effects

Top reported reactions (openFDA): Lack of efficacy (endoparasite) - heartworm, Vomiting, Lack of efficacy (endoparasite) - hookworm, Lethargy (see also Central nervous system depression in 'Neurological'), Facial swelling (see also 'Skin'), Diarrhoea.

FAQ

Both, Dog, Excluding Under 8 Weeks Age, Horse, Not For Meat Production, Pony, No Use Class Stated Or Implied, Beef, Calves, excluding veal calves, Dairy, not breeding age, Dog, Excluding Under 6 Months Of Age, Dairy, excluding female breeding age animals, Sheep, No Use Class Stated Or Implied, Dog, No Use Class Stated Or Implied, Beef And Non-Lactating Dairy

Yes. Roxee shows this as prescription-only.

Tablet, Gel, Solution, Microspheres

Related Medications

Related Conditions

Gastrointestinal (additional) Heartworm Disease Intestinal Parasites (Worms) Pica Weight loss

Source Transparency

Verified source: https://www.roxee.ai/meds/
Verified source: https://animaldrugsatfda.fda.gov
Verified source: https://animaldrugsatfda.fda.gov/adafda/views/#/search
Verified source: https://api.fda.gov/animalandveterinary/event.json
Verified source: https://www.roxee.ai/conditions/
Verified source: https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/807
Last refreshed: May 5, 2026, 10:00 a.m.
Last verified: Feb 12, 2026, 10:44 p.m.
Validation status: Complete

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Pet Owner Quick Guide

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Used for:

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:

Use once-a-month in dogs at 8 weeks of age or older
QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only
This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result
Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions
Do not use in sick, debilitated, or underweight animals
Do not use in horses intended for human consumption
A withdrawal period has not been established for this product on preruminating calves
Do not use on calves to be processed for veal
Vomiting (1 reports)
Loss of appetite (1 reports)
Eosinopenia (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.

Regulatory restrictions are shown in Vet View.

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:

Use once-a-month in dogs at 8 weeks of age or older
QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only
This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result
Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions
Do not use in sick, debilitated, or underweight animals

Most reported reactions:

Vomiting (1 reports)
Loss of appetite (1 reports)
Eosinopenia (1 reports)

Emergency warning signs:

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

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Quick Facts

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

Species: Both

Manufacturer: Multiple FDA labelers

Form: Gel, Injectable Solution, Liquid (Solution), Microspheres, Solution, Tablet

Identifiers:

ANADA: 200615 ANADA: 200638 ANADA: 200700 ANADA: 200701 ANADA: 200714 ANADA: 200716 ANADA: 200718 ANADA: 200721 ANADA: 200746 ANADA: 200788 ANADA: 200811 ANADA: 200818 ANADA: 200852 NADA: 141051 NADA: 141087 NADA: 141099 NADA: 141189 NADA: 141216 NADA: 141220 NADA: 141247

Source metadata:

https://animaldrugsatfda.fda.gov/adafda/views/#/home/previewsearch/200852 · official_label · FDA application profile
https://animaldrugsatfda.fda.gov/adafda/views/#/home/previewsearch/200788 · official_label · FDA application profile
https://animaldrugsatfda.fda.gov · fda_animal_drugs · Medication usage source

Warnings / Contraindications

High: Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result. Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions. Do not use in sick, debilitated, or underweight animals. Do not use in horses intended for human consumption. A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal.

Source metadata:

https://animaldrugsatfda.fda.gov · fda_animal_drugs · Contraindication source

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

Reported cases

Serious reports

Species represented

Grouped by Body System

Digestive (5) · Vomiting, Loss of appetite, Diarrhea Skin & allergy (1) · Chewing - pruritus Behavior (2) · Biting -aggression, Behavioral disorder (unspecified) Other (24) · Eosinopenia, Elevated total bilirubin, Elevated temperature

Most Reported Reactions

Body system	Cases	Species	Serious cases
Digestive	1	Dog	1
Digestive	1	Dog	1
Other	1	Dog	1
Other	1	Dog	1
Other	1	Dog	1
Other	1	Dog	1
Other	1	Dog	1
Other	1	Dog	1

Species coverage: Dog (25) Cat (7)

View detailed reaction table

Body system	Species	Seriousness	Frequency	Reports
Digestive	Dog	Serious	-	1
Digestive	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Digestive	Dog	Serious	-	1
Other	Cat	Serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1
Digestive	Dog	Serious	-	1
Other	Cat	Serious	-	1
Other	Dog	Serious	-	1
Skin & allergy	Cat	Non-serious	-	1
Other	Dog	Serious	-	1
Digestive	Dog	Serious	-	1
Other	Dog	Serious	-	1
Other	Cat	Non-serious	-	1
Behavior	Cat	Non-serious	-	1
Behavior	Cat	Non-serious	-	1
Other	Dog	Serious	-	1
Other	Cat	Non-serious	-	1
Other	Dog	Serious	-	1
Other	Dog	Serious	-	1

Source metadata:

https://api.fda.gov/animalandveterinary/event.json · adverse_reaction · openFDA case USA-USFDACVM-2025-US-068758

Documents

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

Owner handouts

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Official label / PI

SPL

Open original

Moxidectin Oral Drench for Sheep

SPL · SPL

Open original

FDA Structured Product Label

Moxidectin Oral Drench for Sheep

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

Sponsor: First Priority, Inc.
ANADA: 200-852
Status: OTC
Form: Solution
Route: Oral

Composition / specifications

1 mg moxidectin/mL

Sheep

Indication

Moxidectin Oral Drench for Sheep, when administered at the recommended dose level of 0.2 mg moxidectin/2.2 lb (0.2 mg/kg) body weight, is effective in the treatment and control of adult and larval (L4) stages of the following internal parasites of sheep:
Parasites
Haemonchus contortus - Adult and L4
Teladorsagia circumcincta - Adult and L4
Teladorsagia trifurcata - Adult and L4
Trichostrongylus axei - Adult and L4
Trichostrongylus colubriformis - Adult and L4
Trichostrongylus vitrinus - Adult and L4
Cooperia curticei - Adult and L4
Cooperia oncophora - Adult and L4
Oesophagostomum columbianum - Adult and L4
Oesophagostomum venulosum - Adult and L4
Nematodirus battus - Adult and L4
Nematodirus filicollis - Adult and L4
Nematodirus spathiger - Adult and L4

Dosage

The recommended rate of administration for Moxidectin Oral Drench for Sheep is 1 mL per 11 lb (1 mL per 5 kg) body weight into the mouth of sheep, using any standard drenching equipment.

MoxiSolv™ Injection

SPL · SPL

Open original

FDA Structured Product Label

MoxiSolv™ Injection

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

Sponsor: Bimeda Animal Health Limited
ANADA: 200-788
Status: OTC
Form: Injectable Solution
Route: Subcutaneous
Species: Beef And Non-Lactating Dairy

Composition / specifications

10 mg moxidectin/mL

Beef and nonlactating dairy cattle

Indication

For the treatment and control of the following internal and external parasites of cattle:

Gastrointestinal Roundworms
Ostertagia ostertagi - Adults and L4 (including inhibited Larvae)
Haemonchus placei - Adults
Trichostrongylus axei - Adults and L4
Trichostrongylus colubriformis - Adults and L4
Cooperia oncophora - Adults
Cooperia pectinata - Adults
Cooperia punctata - Adults and L4
Cooperia spatulata - Adults
Cooperia surnabada - Adults and L4
Nematodirus helvetianus - Adults
Oesophagostomum radiatum - Adults and L4
Trichuris spp. - Adults

Lungworms
Dictyocaulus viviparus - Adults and L4

Cattle Grubs
Hypoderma bovis
Hypoderma lineatum

Mites
Psoroptes ovis
(Psoroptes communis var. bovis)

Lice
Linognathus vituli
Solenopotes capillatus

Persistent Activity
Moxidectin injectable has been proven to effectively protect cattle from reinfection with Dictyocaulus viviparus and Oesophagostomum radiatum for 42 days after treatment, Haemonchus placei for 35 days after treatment, and Ostertagia ostertagi and Trichostrongylus axei for 14 days after treatment.

Dosage

1 mL for each 110 lb (50 kg) body weight to provide 0.2 mg moxidectin/2.2 lb (0.2 mg/kg) body weight.

Quest® Gel

SPL · SPL

Open original

FDA Structured Product Label

Quest® Gel

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

Sponsor: Zoetis Inc.
NADA: 141-087
Status: OTC
Form: Gel
Route: Oral
Species: Horse, Not For Meat Production • Pony, No Use Class Stated Or Implied

Composition / specifications

The gel contains 2 percent moxidectin (20 milligrams per milliliter).

Horses and Ponies (6 Months of Age and Older)

Indication

For the treatment and control of the following stages of gastrointestinal parasites in horses and ponies: Large Strongyles: Strongylus vulgaris: (adults and L4 / L5 arterial stages), Strongylus edentatus: (adults and tissue stages), Triodontophorus brevicauda: (adults), Triodontophorus serratus: (adults) Small Strongyles (adults): Cyathostomum spp., including Cyathostomum catinatum, Cyathostomum pateratum Cylicostephanus spp., including Cylicostephanus calicatus, Cylicostephanus goldi, Cylicostephanus longibursatus, Cylicostephanus minutus Cylicocyclus spp., including Cylicocyclus insigne, Cylicocyclus leptostomum, Cylicocyclus nassatus, Cylicocyclus radiatus Coronocyclus spp., including Coronocyclus coronatus, Coronocyclus labiatus, Coronocyclus labratus, Gyalocephalus capitatus, Petrovinema poculatus Small Strongyles: Undifferentiated lumenal larvae Encysted cyathostomes: Late L3 and L4 mucosal cyathostome larvae Ascarids: Parascaris equorum: (adults and L4 larval stages) Pinworms: Oxyuris equi: (adults and L4 larval stages) Hairworms: Trichostrongylus axei: (adults) Large-mouth stomach worms: Habronema muscae: (adults) Horse stomach bots: Gasterophilus intestinalis: (2nd and 3rd instars), Gasterophilus nasalis: (3rd instars) One administration of the recommended dose rate of QUEST (moxidectin) 2% Equine Oral Gel also suppresses strongyle egg production through 84 days. QUEST is indicated for use in horses and ponies, including breeding mares and stallions, and foals six months of age and older.

Dosage

0.4 mg moxidectin/ kg body weight

Limitations

QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result. Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions. Do not use in sick, debilitated, or underweight animals. Do not use in horses intended for human consumption.

Tauramox™

SPL · SPL

Open original

FDA Structured Product Label

Tauramox™

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

Sponsor: Norbrook Laboratories, Ltd.
ANADA: 200-746
Status: OTC
Form: Injectable Solution
Route: Subcutaneous
Species: Beef And Non-Lactating Dairy

Composition / specifications

10 mg moxidectin/mL

Beef and nonlactating dairy cattle

Indication

For the treatment and control of the following internal and external parasites of cattle:

Gastrointestinal Roundworms
Ostertagia ostertagi – Adults and L4 (including inhibited Larvae)
Haemonchus placei – Adults
Trichostrongylus axei – Adults and L4
Trichostrongylus colubriformis – Adults and L4
Cooperia oncophora – Adults
Cooperia pectinata – Adults
Cooperia punctata – Adults and L4
Cooperia spatulata – Adults
Cooperia surnabada – Adults and L4
Nematodirus helvetianus – Adults
Oesophagostomum radiatum – Adults and L4
Trichuris spp. – Adults
Lungworms
Dictyocaulus viviparus – Adults and L4
Cattle Grubs
Hypoderma bovis
Hypoderma lineatum
Mites
Psoroptes ovis (Psoroptes communis var. bovis)
Lice
Linognathus vituli
Solenopotes capillatus
Persistent Activity: Moxidectin Injectable has been proven to effectively protect cattle from reinfection with Dictyocaulus viviparus and Oesophagostomum radiatum for 42 days after treatment, Haemonchus placei for 35 days after treatment, and Ostertagia ostertagi and Trichostrongylus axei for 14 days after treatment.

Dosage

Administer by subcutaneous injection 1 mL for each 110 lb (50 kg) body weight to provide 0.2 mg moxidectin/2.2 lb (0.2 mg/kg) body weight.

Cydectin™ (moxidectin) Pour-On for Beef and Dairy Cattle

SPL · SPL

Open original

FDA Structured Product Label

Cydectin™ (moxidectin) Pour-On for Beef and Dairy Cattle

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

Sponsor: Elanco US Inc.
NADA: 141-099
Status: OTC
Form: Solution
Route: Transdermal
Species: Beef • Calves, excluding veal calves • Dairy, not breeding age

Composition / specifications

Each milliliter contains 5 milligrams of moxidectin (0.5 percent solution).

Beef and Dairy Cattle

Indication

For treatment and control of internal and external parasites: gastrointestinal roundworms (Ostertagia ostertagi (adult and L4, including inhibited larvae), Haemonchus placei (adult and L4), Trichostrongylus axei (adult and L4), T. colubriformis (adult and L4), Cooperia oncophora (adult and L4), C. pectinata (adult), C. punctata (adult and L4), C. spatulata (adult), C. surnabada (adult and L4), Bunostomum phlebotomum (adult), Oesophagostomum radiatum (adult and L4), Nematodirus helvetianus (adult and L4)); lungworms (Dictyocaulus viviparus, adult and L4); cattle grubs (Hypoderma bovis, H. lineatum); mites (Chorioptes bovis, Psoroptes ovis (P. communis var. bovis)); lice (Linognathus vituli, Haematopinus eurysternus, Solenopotes capillatus, Bovicola(Damalinia) bovis); and horn flies (Haematobia irritans). To control infections and to protect from reinfection with H. placei for 14 days after treatment, O. radiatum and O. ostertagi for 28 days after treatment, and D. viviparus for 42 days after treatment.

Dosage

The recommended rate of administration is 1 mL for each 22 lb (10 kg) of body weight which provides 5 mg moxidectin for each 22 lb (10 kg) of body weight.

Limitations

A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal.

ProHeart® 6

SPL · SPL

Open original

FDA Structured Product Label

ProHeart® 6

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Sponsor: Zoetis Inc.
NADA: 141-189
Status: RX
Form: Microspheres
Route: Subcutaneous
Species: Dog, Excluding Under 6 Months Of Age

Composition / specifications

The drug product consists of two separate vials. One contains 10 percent moxidectin microspheres, and the other contains a vehicle for constitution of the moxidectin microspheres. Each milliliter of constituted, sustained-release suspension contains 3.4 milligrams (mg) of moxidectin.

Dogs

Indication

For treatment of existing larval and adult hookworm (Ancylostoma caninum and Unicinaria stenocephala) infections.

Dosage

0.05 mL of the constituted suspension/kg body weight (0.0227 mL/lb). This amount of suspension will provide 0.17 mg per kilogram body weight (0.0773 mg per pound) as a single subcutaneous injection.

Limitations

Do not administer ProHeart 6 to dogs who are sick, debilitated, underweight or who have a history of weight loss. Federal (U.S.A.) law restricts this drug to use by or on the order of a licensed veterinarian. To ensure accurate dosing, calculate each dose based on the dog’s weight at the time of treatment. Do not overdose growing puppies in anticipation of their expected adult weight. No more than 3 mL should be administered in a single site. ProHeart 6 should not be used more frequently than every 6 months. The safety and eff ectiveness of ProHeart 6 has not been evaluated in dogs less than 6 months of age. Caution should be used when administering ProHeart 6 to heartworm positive dogs.

Indication

For prevention of heartworm disease caused by Dirofilaria immitis.

Dosage

0.05 mL of the constituted suspension/kg body weight (0.0227 mL/lb). This amount of suspension will provide 0.17 mg per kilogram body weight (0.0773 mg per pound) as a single subcutaneous injection.

Limitations

Cydectin® Oral Drench for Sheep

SPL · SPL

Open original

FDA Structured Product Label

Cydectin® Oral Drench for Sheep

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

Sponsor: Elanco US Inc.
NADA: 141-247
Status: OTC
Form: Liquid (Solution)
Route: Oral
Species: Sheep, No Use Class Stated Or Implied

Composition / specifications

Each milliliter (mL) of solution contains 1 milligram (mg) moxidectin.

Sheep

Indication

For the treatment and control of the adult and L4 larval stages of Haemonchus contortus, Teladorsagia circumcincta, T. trifurcate, Trichostrongylus axei, T. colubriformis, T. vitrines, Cooperia curticei, C. oncophora, Oesophagostomum columbianum, O. venulosum, Nematodirus battus, N. filicollis, and N. spathiger.

Dosage

Administer 1 mL per 11 pounds body weight (1 mL per 5 kilograms) by mouth.

Limitations

CYDECTIN Oral Drench for Sheep has been formulated specifically for oral use in sheep and should not be given by any other route of administration. Do not use in sick, debilitated, or underweight animals. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result.

ProHeart™

SPL · SPL

Open original

FDA Structured Product Label

ProHeart™

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

Sponsor: Zoetis Inc.
NADA: 141-051
Status: RX
Form: Tablet
Route: Oral
Species: Dog, Excluding Under 8 Weeks Age

Composition / specifications

Each tablet contains 30, 68, or 136 micrograms of moxidectin.

Dogs

Indication

To prevent infection by the canine heartworm Dirofilaria immitis and the subsequent development of canine heartworm disease.

Dosage

3 micrograms per kilogram (1.36 micrograms per pound) of body weight, once a month.

Limitations

Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Cydectin®

SPL · SPL

Open original

FDA Structured Product Label

Cydectin®

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

Sponsor: Elanco US Inc.
NADA: 141-220
Status: OTC
Form: Liquid (Solution)
Route: Subcutaneous
Species: Beef • Dairy, excluding female breeding age animals

Composition / specifications

Contains 10 mg moxidectin/mL

Cattle (Beef and Non-Lactating Dairy)

Indication

For treatment and control of gastrointestinal roundworms: Ostertagia ostertagi (adults, fourth-stage larvae, and inhibited larvae), Haemonchus placei (adults), Trichostrongylus axei (adults and fourth-stage larvae), T. colubriformis (adults and fourth-stage larvae), Cooperia oncophora (adults), C. pectinate (adults), C. punctate (adults and fourth-stage larvae), C. spatulata (adults), C. surnabad (adults and fourth-stage larvae), Nematodirus helvetianus (adults), Oesophagostomum radiatum (adults and fourth-stage larvae), Trichuris spp. (adults); lungworms: Dictyocaulus viviparous (adults and fourth-stage larvae); grubs: Hypoderma bovis and H. lineatum; mites: Psoroptes ovis (P. communis var. bovis); lice: Linognathus vituli and Solenopotes capillatus; for protection of cattle from reinfection with D. viviparous and O. radiatum for 42 days after treatment, with H. placei for 35 days after treatment, and with O. ostertagi and T. axei for 14 days after treatment.

Dosage

0.2 mg/kilogram body weight (0.2 mg/2.2 pound) as a single subcutaneous injection.

Limitations

Do not slaughter cattle within 21 days of treatment. Because a withholding time for milk has not been established, do not use in female dairy cattle of breeding age. A withdrawal period has not been established for preruminating calves. Do not use in calves to be processed for veal.

CORAXIS™

SPL · SPL

Open original

FDA Structured Product Label

CORAXIS™

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

Sponsor: Elanco US Inc.
NADA: 141-417
Status: RX
Form: Solution
Route: Topical
Species: Dog, No Use Class Stated Or Implied

Composition / specifications

2.5% moxidectin

Dogs (Dogs and Puppies At Least 7 Weeks of Age)

Indication

For the prevention of heartworm disease caused by Dirofilaria immitis, and for the treatment and control of Ancylostoma caninum (adults, immature adults, and fourth stage larvae), Uncinaria stenocephala (adults, immature adults, and fourth stage larvae), Toxocara canis (adults and fourth stage larvae), Toxascaris leonina (adults), and Trichuris vulpis (adults) in dogs and puppies that are at least 7 weeks of age and that weigh at least 3 pounds.

Dosage

FOI · FOI summary

Open original

Source metadata:

https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/18369 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/18669/Moxidectin%20Oral%20Drench%20for%20Sheep · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/15605 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/15886/MoxiSolv%E2%84%A2%20Injection · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/623 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/622 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/621 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/620 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/3679 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/1198/Quest%C2%AE%20Gel · document · SPL

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, 10:00 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 Apr 30, 2026, 10:01 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).
openFDA reaction terms: Source FDA openFDA | Refreshed May 5, 2026, 10:04 AM UTC
openFDA case summaries: Source FDA openFDA | Refreshed May 5, 2026, 10:04 AM UTC

Official (FDA)

Identity: Generic ingredient • FDA branded products available

Official FDA brands: AX Pharmaceutical Corp Cydectin MoxiSolv Moxidectin ProHeart 12 ProHeart 6 Quest Tauramox

Manufacturer mapping: Multiple FDA labelers

Case-reported brands (openFDA): MSK

Catalog species: Both • FDA-labeled species: Beef, Beef And Non-Lactating Dairy, Calves, Dairy, Dog, Horse, Pony, Sheep

Rx/OTC: OTC, RX

Form/route: Gel, Injectable Solution, Liquid (Solution), Microspheres, Solution, Tablet • Oral, Subcutaneous, Topical, Transdermal

Applications: ANADA 200-852 • ANADA 200-788 • NADA 141-087 • ANADA 200-746 • NADA 141-099 • NADA 141-189 • NADA 141-247 • NADA 141-051 • NADA 141-220 • NADA 141-417

NDC: Packages 20076-1235-2 20076-1235-3 30798-314-17 54771-0254-1 54771-0255-1 54771-0256-1 • Products 20076 30798 54771 55529 58198 61133

Documents: 25 (FOI: 19) • SPL: 10 • Label highlights • Official documents

Safety (openFDA)

Top reactions: Dog 80 • Cat 0 • View

Case summaries: 31 (showing 8) • View

openFDA reports are unverified and do not prove causation.

Explore

Related conditions: Gastrointestinal (additional) Heartworm Disease Intestinal Parasites (Worms) Pica Weight loss

Linked using: Fda_Label (0.95), Fda_Label (0.95), Fda_Label (0.95)

Diagnosis Codes

ICD10_CM: B74.8 ICD10_CM: B82.9 ICD10_CM: B86 ICD10_CM: B88.1

Other filariases

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

Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral Gel has been formulated specifically for use in horses and ponies only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result. Extreme caution should be used when administering the product to foals, young and miniature horses, as overdosage may result in serious adverse reactions. Do not use in sick, debilitated, or underweight animals. Do not use in horses intended for human consumption. A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal. (Contraindication, High)

Top reaction signals

Vomiting (1) Loss of appetite (1) Eosinopenia (1) Elevated total bilirubin (1) Elevated temperature (1) Elevated symmetrical dimethylarginine (1) Elevated serum alkaline phosphatase (1) Elevated haematocrit (1)

Identifiers & Packages

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

Identifiers

Package NDC	Product NDC	Status
0010-4260-01	0010	-
0010-4260-02	0010	-
0010-4260-03	0010	-
0010-4261-01	0010	-
0010-4261-02	0010	-
0010-4261-03	0010	-
0010-4262-01	0010	-
0010-4262-02	0010	-
0010-4262-03	0010	-
0010-4263-01	0010	-
0010-4263-02	0010	-
0010-4263-03	0010	-
0010-4264-01	0010	-
0010-4264-02	0010	-
0010-4264-03	0010	-
0061-5996-01	0061	-
0061-5997-01	0061	-
0061-5998-01	0061	-
17030-023-01	17030	-
17030-023-03	17030	-

Enriched Documents

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

Moxidectin SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
ProHeart 12 SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
ProHeart 6 SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Quest SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
MoxiSolv SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Cydectin SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Tauramox SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Cydectin SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
MoxiSolv SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Moxidectin SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
Cydectin SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
AX Pharmaceutical Corp SPL • Structured Product Label • Official
FDA Structured Product Label from the electronic animal drug product listing directory.
FOI Summary oA 200-852 Approved April 29, 2026.pdf • FOI summary • Official • April 30, 2026
FDA FOI summary for application 200852
FOI Summary oN 141-581 Approved October 7, 2024.pdf • FOI summary • Official • March 9, 2026
FDA FOI summary for application 141581
FOI Summary sN 141-581 Approved May 21, 2025.pdf • FOI summary • Official • March 9, 2026
FDA FOI summary for application 141581
FOI Summary sN 141-581 Approved October 20, 2025.pdf • FOI summary • Official • March 9, 2026
FDA FOI summary for application 141581
FOI Summary oN 141-554 Approved July 19, 2023.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141554
FOI Summary sN 141-554 Approved October 7, 2024.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141554
FOI Summary sN 141-554 Approved April 23 2025_EF.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141554
FOI Summary sN 141-554 Approved January 20, 2026.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141554
FOI Summary oN 141-518 Approved November 14, 2019_.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141518
FOI Summary sN 141-518 Approved August 9, 2022.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141518
FOI Summary sN 141-518 Approved January 13, 2026.pdf • FOI summary • Official • Feb. 2, 2026
FDA FOI summary for application 141518
FOI Summary o 141-619 Approved December 17, 2025 (2).pdf • FOI summary • Official • Jan. 5, 2026
FDA FOI summary for application 141619
ANADA 200-700 FOI Summar.pdf • FOI summary • Official • Dec. 16, 2025
FDA FOI summary for application 200700
FOI Summary oA 200-714 Approved November 24, 2021.pdf • FOI summary • Official • Dec. 5, 2025
FDA FOI summary for application 200714
FOI Summary oA 200-818 Approved August 5, 2025.pdf • FOI summary • Official • Aug. 28, 2025
FDA FOI summary for application 200818
FOI Summary oN 141-521 Approved February 27, 2020.pdf • FOI summary • Official • June 3, 2025
FDA FOI summary for application 141521
FOI Summary sN 141-521 Approved December 23, 2021.sum.pdf • FOI summary • Official • June 3, 2025
FDA FOI summary for application 141521
FOI Summary sN 141-521 Approved November 6, 2024.pdf • FOI summary • Official • June 3, 2025
FDA FOI summary for application 141521
FOI Summary sN 141-521 Approved April 8 2025_ceg_ef.pdf • FOI summary • Official • June 3, 2025
FDA FOI summary for application 141521
FOI Summary oA 200-718 Approved February 7, 2022.pdf • FOI summary • Official • June 2, 2025
FDA FOI summary for application 200718
FOI Summary oA 200-811 Approved March 24, 2025.pdf • FOI summary • Official • March 28, 2025
FDA FOI summary for application 200811
FOI Summary oA 200-788 Approved July 2, 2024.pdf • FOI summary • Official • Aug. 1, 2024
FDA FOI summary for application 200788
FOI Summary oA 200-701 Approved June 10, 2021.pdf • FOI summary • Official • Oct. 24, 2023
FDA FOI summary for application 200701
FOI Summary sA 200-701 Approved February 9, 2023.pdf • FOI summary • Official • Oct. 24, 2023
FDA FOI summary for application 200701
FOI Summary oA 200-721 Approved March 28, 2022.pdf • FOI summary • Official • Oct. 10, 2023
FDA FOI summary for application 200721
FOI Summary sA 200-721 Approved January 12, 2023.pdf • FOI summary • Official • Oct. 10, 2023
FDA FOI summary for application 200721
N141087_Orig_7_11_1997.pdf • FOI summary • Official • Sept. 19, 2023
FDA FOI summary for application 141087
ucm117068.pdf • FOI summary • Official • Sept. 19, 2023
FDA FOI summary for application 141087

Data Sources & Change Log

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

Official 103 Clinical 1 Manufacturer 0 Marketing 0

Current Field Facts

side_effects: Top reported reactions (openFDA): Lack of efficacy (endoparasite) - heartworm, Vomiting, Lack of efficacy (endoparasite) - hookworm, Lethargy (see also Central… (Clinical, 2026-04-11)
contraindications: Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral… (Official, 2026-04-12)
contraindications: Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral… (Official, 2026-04-11)
contraindications: Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian. QUEST 2% Equine Oral… (Official, 2026-02-12)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-05-05)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-05-03)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-05-02)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-29)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-28)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-27)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-26)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-25)
indications: CYDECTIN Injectable when administered at the recommended dose level of 0.2 mg/2.2 lb (0.2 mg/kg) body weight is effective in the treatment and control of the f… (Official, 2026-04-22)
manufacturer_name: Multiple FDA labelers (Official, 2026-05-05)
manufacturer_name: Multiple FDA labelers (Official, 2026-05-03)
manufacturer_name: Multiple FDA labelers (Official, 2026-05-02)
manufacturer_name: Multiple FDA labelers (Official, 2026-04-29)
manufacturer_name: Multiple FDA labelers (Official, 2026-04-28)
manufacturer_name: Multiple FDA labelers (Official, 2026-04-27)
manufacturer_name: Multiple FDA labelers (Official, 2026-04-26)

Recent Revisions

side_effects updated 2026-04-12 10:05 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-04-12 10:05 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-04-12 10:05 by etl_backfill • Backfilled from existing medication fields
side_effects updated 2026-04-11 10:05 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-04-11 10:05 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-04-11 10:05 by etl_backfill • Backfilled from existing medication fields
side_effects updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-02-12 22:44 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-02-12 22:44 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
Moxidectin Oral Drench for Sheep OTC Moxidectin Solution • Oral Label highlights Official documents	First Priority, Inc.	ANADA 200-852	Approved	Apr 30, 2026
MoxiSolv™ Injection OTC Moxidectin Injectable Solution • Subcutaneous Label highlights Official documents	Bimeda Animal Health Limited	ANADA 200-788	Approved	Aug 1, 2024
Quest® Gel OTC Moxidectin Gel • Oral Label highlights Official documents	Zoetis Inc.	NADA 141-087	Approved	Sep 19, 2023
Tauramox™ OTC Moxidectin Injectable Solution • Subcutaneous Label highlights Official documents	Norbrook Laboratories, Ltd.	ANADA 200-746	Approved	Apr 3, 2023
Cydectin™ (moxidectin) Pour-On for Beef and Dairy Cattle OTC Moxidectin Solution • Transdermal Label highlights Official documents	Elanco US Inc.	NADA 141-099	Approved	Jun 8, 2022
ProHeart® 6 RX Moxidectin Microspheres • Subcutaneous Label highlights Official documents	Zoetis Inc.	NADA 141-189	Approved	May 17, 2021
Cydectin® Oral Drench for Sheep OTC Moxidectin Liquid (Solution) • Oral Label highlights Official documents	Elanco US Inc.	NADA 141-247	Approved	Jan 12, 2021
ProHeart™ RX Moxidectin Tablet • Oral Label highlights Official documents	Zoetis Inc.	NADA 141-051	Approved	Jun 18, 2018
Cydectin® OTC Moxidectin Liquid (Solution) • Subcutaneous Label highlights Official documents	Elanco US Inc.	NADA 141-220	Approved	Dec 18, 2017
CORAXIS™ RX Moxidectin Solution • Topical Label highlights Official documents	Elanco US Inc.	NADA 141-417	Approved	Jun 1, 2016

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.

Composition / specifications

1 mg moxidectin/mL

Sheep

Indication

Dosage

The recommended rate of administration for Moxidectin Oral Drench for Sheep is 1 mL per 11 lb (1 mL per 5 kg) body weight into the mouth of sheep, using any standard drenching equipment.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Beef And Non-Lactating Dairy

Composition / specifications

10 mg moxidectin/mL

Beef and nonlactating dairy cattle

Indication

Lungworms
Dictyocaulus viviparus - Adults and L4

Cattle Grubs
Hypoderma bovis
Hypoderma lineatum

Mites
Psoroptes ovis
(Psoroptes communis var. bovis)

Lice
Linognathus vituli
Solenopotes capillatus

Dosage

1 mL for each 110 lb (50 kg) body weight to provide 0.2 mg moxidectin/2.2 lb (0.2 mg/kg) body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Horse, Not For Meat Production • Pony, No Use Class Stated Or Implied

Composition / specifications

The gel contains 2 percent moxidectin (20 milligrams per milliliter).

Horses and Ponies (6 Months of Age and Older)

Indication

Dosage

0.4 mg moxidectin/ kg body weight

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Beef And Non-Lactating Dairy

Composition / specifications

10 mg moxidectin/mL

Beef and nonlactating dairy cattle

Indication

For the treatment and control of the following internal and external parasites of cattle:

Dosage

Administer by subcutaneous injection 1 mL for each 110 lb (50 kg) body weight to provide 0.2 mg moxidectin/2.2 lb (0.2 mg/kg) body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Beef • Calves, excluding veal calves • Dairy, not breeding age

Composition / specifications

Each milliliter contains 5 milligrams of moxidectin (0.5 percent solution).

Beef and Dairy Cattle

Indication

Dosage

The recommended rate of administration is 1 mL for each 22 lb (10 kg) of body weight which provides 5 mg moxidectin for each 22 lb (10 kg) of body weight.

Limitations

A withdrawal period has not been established for this product on preruminating calves. Do not use on calves to be processed for veal.

FDA page: Open in Animal Drugs @ FDA

Species: Dog, Excluding Under 6 Months Of Age

Composition / specifications

Dogs

Indication

For treatment of existing larval and adult hookworm (Ancylostoma caninum and Unicinaria stenocephala) infections.

Dosage

0.05 mL of the constituted suspension/kg body weight (0.0227 mL/lb). This amount of suspension will provide 0.17 mg per kilogram body weight (0.0773 mg per pound) as a single subcutaneous injection.

Limitations

Indication

For prevention of heartworm disease caused by Dirofilaria immitis.

Dosage

0.05 mL of the constituted suspension/kg body weight (0.0227 mL/lb). This amount of suspension will provide 0.17 mg per kilogram body weight (0.0773 mg per pound) as a single subcutaneous injection.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Sheep, No Use Class Stated Or Implied

Composition / specifications

Each milliliter (mL) of solution contains 1 milligram (mg) moxidectin.

Sheep

Indication

Dosage

Administer 1 mL per 11 pounds body weight (1 mL per 5 kilograms) by mouth.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog, Excluding Under 8 Weeks Age

Composition / specifications

Each tablet contains 30, 68, or 136 micrograms of moxidectin.

Dogs

Indication

To prevent infection by the canine heartworm Dirofilaria immitis and the subsequent development of canine heartworm disease.

Dosage

3 micrograms per kilogram (1.36 micrograms per pound) of body weight, once a month.

Limitations

Use once-a-month in dogs at 8 weeks of age or older. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

FDA page: Open in Animal Drugs @ FDA

Species: Beef • Dairy, excluding female breeding age animals

Composition / specifications

Contains 10 mg moxidectin/mL

Cattle (Beef and Non-Lactating Dairy)

Indication

Dosage

0.2 mg/kilogram body weight (0.2 mg/2.2 pound) as a single subcutaneous injection.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog, No Use Class Stated Or Implied

Composition / specifications

2.5% moxidectin

Dogs (Dogs and Puppies At Least 7 Weeks of Age)

Indication

Dosage

Administer topically a minimum of 1.1 mg/lb (2.5 mg/kg) of body weight, once monthly using the appropriate pre-loaded applicator tube.

Limitations

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

FDA page: Open in Animal Drugs @ FDA

Usage

Source: FDA Animal Drugs @ FDA • Reference

Contraindications

Top Reported Reactions (openFDA)

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

Digestive

Vomiting (1) • Dog Loss of appetite (1) • Dog Diarrhea (1) • Dog Decreased appetite (1) • Dog Bloody diarrhoea (1) • Dog

Showing top 5 for Digestive.

Skin & allergy

Chewing - pruritus (1) • Cat

Showing top 5 for Skin & allergy.

Behavior

Biting -aggression (1) • Cat Behavioral disorder (1) • Cat

Showing top 5 for Behavior.

Other

Eosinopenia (1) • Dog Elevated total bilirubin (1) • Dog Elevated temperature (1) • Dog Elevated symmetrical dimethylarginine (1) • Dog Elevated serum alkaline phosphatase (1) • Dog

Show more (19)

Elevated haematocrit (1) • Dog Elevated creatinine (1) • Dog Elevated alanine aminotransferase (1) • Dog Electrolyte disorder (1) • Dog Drug dose administration interval too short (1) • Dog Discoloured urine (1) • Dog Difficulty standing (1) • Dog Diabetes (1) • Cat Decreased drinking (1) • Dog Decreased cholesterol (1) • Dog Death (1) • Cat Colitis (1) • Dog Bloody stool (1) • Dog Blood in urine (1) • Dog Blistering (1) • Cat Anaemia NOS (1) • Dog Abnormal urine odour (1) • Cat Abnormal radiograph finding (1) • Dog Abnormal cytology (1) • Dog

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.

Dog, Pekingese, Male, 2 year, 5.987 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 1 mL per animal • Reactions: Facial swelling (possible allergy), Hypersensitivity reaction • Outcome: Recovered/Normal

Report ID: USA-USFDACVM-2025-US-077538
Serious AE: No
Treated For AE: No
Sex: Male
Age: 2.00 Year
Weight: 5.987 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 1 mL per animal

Reactions Reported:

Facial swelling (possible allergy) Hypersensitivity reaction

Outcomes: Recovered/Normal

Dog, Deutsche Dogge, Great Dane, Male, 1 year, 57.606 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 2.90 mL per animal • Reactions: Hives, Facial swelling (possible allergy), Reddening of the skin, Hypersensitivity reaction, Tachycardia • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075460
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 1.00 Year
Weight: 57.606 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 2.90 mL per animal

Reactions Reported:

Hives Facial swelling (possible allergy) Reddening of the skin Hypersensitivity reaction Tachycardia

Outcomes: Ongoing

Dog, ['Sheepdog (unspecified)', 'Dog (unknown)'], Male, 2 year, 16.692 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 0.70 mL per animal • Reactions: Lack of efficacy (endoparasite) - heartworm • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075429
Serious AE: Yes
Treated For AE: No
Sex: Male
Age: 2.00 Year
Weight: 16.692 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 0.70 mL per animal

Reactions Reported:

Lack of efficacy (endoparasite) - heartworm

Outcomes: Ongoing

Dog, ['Chihuahua', 'Dog (unknown)'], Female, 12 year, 4.246 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 0.20 mL per animal • Reactions: Lack of efficacy (endoparasite) - whipworm, Medication error NOS • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075414
Serious AE: Yes
Treated For AE: Yes
Sex: Female
Age: 12.00 Year
Weight: 4.246 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 0.20 mL per animal

Reactions Reported:

Lack of efficacy (endoparasite) - whipworm Medication error NOS

Outcomes: Ongoing

Dog, Coonhound (unspecified), Male, 3 year, 21.319 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 1.10 mL per animal • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075401
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 3.00 Year
Weight: 21.319 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 1.10 mL per animal

Reactions Reported:

Lack of efficacy (endoparasite) - hookworm

Outcomes: Ongoing

Dog, Terrier - Yorkshire, Male, 8 year, 6.622 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 0.35 mL per animal, Frequency: 1 per year • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075384
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 8.00 Year
Weight: 6.622 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 0.35 mL per animal
Frequency: 1 per year

Reactions Reported:

Lack of efficacy (endoparasite) - hookworm

Outcomes: Ongoing

Dog, ['Terrier (unspecified)', 'Dog (unknown)'], Female, 3 year, 13.063 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 0.52 mL per animal • Reactions: Lack of efficacy (endoparasite) - heartworm • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075282
Serious AE: Yes
Treated For AE: Yes
Sex: Female
Age: 3.00 Year
Weight: 13.063 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 0.52 mL per animal

Reactions Reported:

Lack of efficacy (endoparasite) - heartworm

Outcomes: Ongoing

Dog, Shih Tzu, Female, 10 month, 5.244 kilogram • Drug: MSK, Suspension, Subcutaneous, Dose: 0.25 mL per animal • Reactions: Lack of efficacy (endoparasite) - hookworm, Intentional misuse • Outcome: Ongoing

Report ID: USA-USFDACVM-2025-US-075277
Serious AE: Yes
Treated For AE: Yes
Sex: Female
Age: 10.00 Month
Weight: 5.244 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Subcutaneous
Form: Suspension
Dose: 0.25 mL per animal

Reactions Reported:

Lack of efficacy (endoparasite) - hookworm Intentional misuse

Outcomes: Ongoing

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

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