Roxee Medication Guide

Pyrantel Tartrate

Medication reference facts with explicit FDA-approval, off-label, source-limited, and safety context. Roxee does not sell, prescribe, or dispense medications.

Both Reference complete FDA data linked Rx required Tablet Multiple FDA sponsors Official label facts Owner quick guide first

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Data freshness

Reference facts

Reference refreshed

Aug 6, 2026, 7:46 p.m.

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

FDA applications

FDA application data refreshed

Aug 6, 2026, 7:46 p.m.

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

Safety reports

Safety data refreshed

Aug 6, 2026, 7:49 p.m.

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

Source timing details

Reference facts: Source Roxee | Refreshed Aug 6, 2026, 7:46 PM UTC
The reference fact projection used for browse cards and quick facts.
Animal Drugs @ FDA: Source FDA | Refreshed Aug 6, 2026, 7:46 PM 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.
openFDA reaction terms: Source FDA openFDA | Refreshed Aug 6, 2026, 7:52 PM UTC
openFDA case summaries: Source FDA openFDA | Refreshed Aug 6, 2026, 7:52 PM UTC

Illustration placeholder

Pyrantel Tartrate

Drug type: Generic ingredient • Generic profile • No FDA branded products linked

Both Tablet Rx required 100% reference complete

Species: Both

Manufacturer: Multiple FDA sponsors

Medication Snapshot

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

Pyrantel Tartrate

For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris, Strongylus edentatus, Strongylus equinus ), small strongyles, pinworms ( Oxyuris equi ) and large roundworms ( Parascaris ). For the removal and control of large roundworm ( Ascaris suum ) infections. Aid in the prevention of migration and establishment of large roundworm ( Ascaris suum ) infections; aid in the prevention of establishment of nodular worm ( Oesophagostomum ) infections. Species commonly shown: Both, Dog, Horse, Not For Meat Production.

Generic name

Pyrantel Tartrate

Brand names

Dog Wormer Tablets, Dog Wormer Chewable Tablets D-Worm™ Adams™, Strongid® 48, Liqui-Vict 2X™

Manufacturer

Multiple FDA sponsors

Species

Both, Dog, Horse, Pony

Dosage forms

Tablet, Tablet (Chewable), Top Dressing In Feed, Liquid (Suspension)

Prescription

Prescription required

Completeness

100%

Validation

Needs review

Brand names

Dog Wormer Tablets Dog Wormer Chewable Tablets D-Worm™ Adams™ Strongid® 48 Liqui-Vict 2X™ Evict® Anthelban V Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension Pyrantel Pamoate Chewable Tablets Continuex™ Pyrantel Pamoate Paste Exodus™ Paste Exodus® Multi Dose Primex® Canine Primex® 2-X Primex™ Equine Primex® WormX®

Dosage forms

Tablet Tablet (Chewable) Top Dressing In Feed Liquid (Suspension) Paste Flavored Tablets

Indications / Uses

For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris , Strongylus edentatus , Strongylus equinus ), small strongyles, pinworms ( Oxyuris equi ) and large roundworms ( Parascaris ). For the removal and control of large roundworm ( Ascaris suum ) infections. Aid in the prevention of migration and establishment of large roundworm ( Ascaris suum ) infections; aid in the prevention of establishment of nodular worm ( Oesophagostomum ) infections.

Warnings / Contraindications

It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite. Feed continuously as the sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite.

It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite. Feed continuously as the sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite.

Side Effects

Top reported reactions (openFDA): Lack of efficacy - NOS, Intentional misuse, Hepatomegaly, Abnormal radiograph finding, Hypothermia, Weight loss.

FAQ

Both, Dog, Horse, Not For Meat Production, Dog, Restricted During Pregnancy, Pony, Not For Food, Dogs And Puppies, Horse, Pony

Yes. Roxee shows this as prescription-only.

Tablet, Tablet (Chewable), Top Dressing In Feed, Liquid (Suspension)

Source Transparency

Verified source: https://www.roxee.ai/meds/
Verified source: https://animaldrugsatfda.fda.gov
Verified source: https://api.fda.gov/animalandveterinary/event.json
Verified source: https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/438
Verified source: https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1730
Verified source: https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/961
Last refreshed: Aug 6, 2026, 7:46 p.m.
Last verified: Apr 15, 2026, 10:04 a.m.
Validation status: Needs review

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Pet Owner Quick Guide

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

Used for:

Prevention of Strongylus vulgaris larval infections; control of adult large strongyles ( S. vulgaris , S. edentates ); adult and 4th stage larvae small strongyles ( Cyathostomum species, Cylicocyclus species., Cylicostep...

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:

It is recommended that severely debilitated animals not be treated with this drug
Do not use in horses intended for food
Feed for 3 days as sole ration in a Type C feed
Consult veterinarian before using in severely debilitated animals
Do not mix in Type B or Type C medicated feeds containing bentonite
Feed continuously as the sole ration in a Type C feed
Elevated blood urea nitrogen (1 reports)
Elevated alanine aminotransferase (1 reports)
Dysphoria (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?

Next actions

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Research brief

Medication Research Insights

A source-aware map of what to know, what is uncertain, and what to verify with your veterinarian.

Source Backed Signals

What to know

Evidence-backed context Limited

Roxee has limited cited overview evidence for Pyrantel Tartrate; use the official documents and your veterinarian's instructions for product-specific decisions.

Source: openFDA case USA-USFDACVM-2026-US-014359

Safety signal coverage Reported signals

32 tracked reaction signals; 32 reported cases; 28 serious reports; 2 species groups. These are reporting and label-derived signals for interpretation with a veterinarian.

Source: openFDA case USA-USFDACVM-2026-US-014359

Interpretation guardrail Not causation

Adverse-event reports help form a watch list, but they do not prove the medication caused the reaction and they are not a risk ranking between medications.

Evidence tension

Stronger signal Label / review

Official labels, package inserts, and reviewed summaries carry more weight than isolated reports.

Source: openFDA case USA-USFDACVM-2026-US-014359

Weaker signal Reported data

Case reports and openFDA terms are useful for pattern awareness, but they are incomplete, can include multiple exposures, and do not estimate an individual pet's probability of harm.

Reaction signal map

Most reported reactions Top terms

Elevated blood urea nitrogen (1 reports), Elevated alanine aminotransferase (1 reports), Dysphoria (1 reports), Dilated pupils (1 reports), Dehydration (1 reports)

Body systems represented Signal grouping

Digestive (2), Neurologic (1), Behavior (1), Other (28)

Explore supporting adverse reports

Species and breed lens

Species represented in reports Species lens

Cat (21 reports), Dog (11 reports)

Breed metadata in reports Metadata only

Domestic Shorthair (3), Terrier - Yorkshire (1), Retriever - Labrador (1), ['Siberian Husky', 'Shepherd Dog - German'] (1). These are report metadata, not proof that a breed is at higher risk.

What your vet may verify

Fit for this patient Vet check

Verify whether Pyrantel Tartrate fits the pet's species, current diagnosis, age, weight, organ status, pregnancy/lactation status, and concurrent medications.

Evidence limitations Evidence review

Separate label-backed warnings from adverse-event reports and owner observations before changing the plan.

What to watch next

Watch list Owner-safe

It is recommended that severely debilitated animals not be treated with this drug, Do not use in horses intended for food, Feed for 3 days as sole ration in a Type C feed, Consult veterinarian before using in severely debilitated animals, Do not mix in Type B or Type C medicated feeds containing bentonite

Call sooner if Escalation

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

Bottom line: Use this Pyrantel Tartrate brief as a structured watch list and source map, not as a reason to start, stop, or change treatment without your veterinarian.

Vet source depth

openFDA case USA-USFDACVM-2026-US-014359 · adverse_reaction · adverse reactions
Contraindication source · fda_animal_drugs · warnings contraindications
FDA application profile · official_label · quick facts
FDA application profile · official_label · quick facts
Medication usage source · fda_animal_drugs · quick facts
FOI · document · documents
FOI · document · documents
SPL · document · documents

Evidence

Review status / Updated / Sources

Review status: Clinical reviewer not listed

Updated: April 15, 2026, 10:04 AM UTC

Sources:

FDA application profile · official_label
FDA application profile · official_label
Medication usage source · fda_animal_drugs
WormX® · official_label
openFDA case USA-USFDACVM-2026-US-014359 · adverse_reaction

Safety & side effects

Side effects to monitor:

It is recommended that severely debilitated animals not be treated with this drug
Do not use in horses intended for food
Feed for 3 days as sole ration in a Type C feed
Consult veterinarian before using in severely debilitated animals
Do not mix in Type B or Type C medicated feeds containing bentonite

Most reported reactions:

Elevated blood urea nitrogen (1 reports)
Elevated alanine aminotransferase (1 reports)
Dysphoria (1 reports)

Explore reported case details

Emergency warning signs:

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

Talk to a Vet / Find a Vet Near You Start Symptom Intake

Vet Fast Scan

Source-backed clinical checkpoints for quick review.

FDA-labeled species

Dog, Dogs And Puppies, Horse, Pony

Indication / use

Prevention of Strongylus vulgaris larval infections; control of adult large strongyles ( S. vulgaris , S. edentates ); adult and 4th stage larvae small strongyles ( Cyathostomum s…

Form / route / dose

Form: Flavored Tablets, Liquid (Suspension), Paste, Tablet, Tablet (Chewable), Top Dressing In Feed
Route: Oral
Confirm product label and patient-specific plan.

Warnings

High: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for fo…

Adverse-event caveat

openFDA adverse-event cases are reported signals. They are not verified, do not prove causation, and do not estimate a pet's individual risk.

Source docs

Quick Facts

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

Species: Both

Manufacturer: Multiple FDA sponsors

Form: Flavored Tablets, Liquid (Suspension), Paste, Tablet, Tablet (Chewable), Top Dressing In Feed

Identifiers:

ANADA: 200007 ANADA: 200028 ANADA: 200246 ANADA: 200248 ANADA: 200281 ANADA: 200282 ANADA: 200342 ANADA: 200350 ANADA: 200352 ANADA: 200353 ANADA: 200445 ANADA: 200600 NADA: 100237 NADA: 101331 NADA: 110047 NADA: 116044 NADA: 118814 NADA: 118815 NADA: 118874 NADA: 118875

Source metadata:

https://animaldrugsatfda.fda.gov/adafda/views/#/home/previewsearch/140819 · official_label · FDA application profile
https://animaldrugsatfda.fda.gov/adafda/views/#/home/previewsearch/200350 · official_label · FDA application profile
https://animaldrugsatfda.fda.gov · fda_animal_drugs · Medication usage source

Warnings / Contraindications

High: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite. Feed continuously as the sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite.

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.

Reported case explorer

Filter stored openFDA reports by pet and report attributes. Counts describe reports in this data set, not risk.

Clear filters

openFDA adverse-event cases are reported signals. They are not verified, do not prove causation, and do not estimate a pet's individual risk.

Stored reports

Matching reports

Active filters

Species

Breed

Size / weight

Age

Sex

Seriousness

Outcome

Reaction

Body system

Region

Received after

Received before

Reset

Drill into common report signals

Lethargy (see also Central nervous system depression in Neurological) (5) Hypothermia (4) Vomiting (4) Abnormal radiograph finding (3) Other (14) Neurologic (8) Digestive (7) Effectiveness (6)

Showing up to 50 matching reports.

USA-USFDACVM-2026-US-014403

Received 2026-03-26 · MSK · MSK

Serious

Species: Dog
Breed: Terrier - Yorkshire
Size / weight: 10-24 lb (6.622 Kilogram)
Age: 1-3 years (3 Year)
Sex: Male Intact
Region: USA
Reactions: Emesis (multiple)Lethargy (see also Central nervous system depression in Neurological)Loose bowel
Body systems: DigestiveNeurologicOther
Outcomes: Ongoing

USA-USFDACVM-2026-US-012371

Received 2026-03-17 · MSK · MSK

Non-serious

Species: Dog
Breed: Retriever - Labrador
Size / weight: 50-99 lb (36.73 Kilogram)
Age: 4-7 years (5 Year)
Sex: Female Neutered
Region: USA
Reactions: Lack of efficacy (endoparasite) - hookworm
Body systems: Effectiveness
Outcomes: Outcome Unknown

USA-USFDACVM-2026-US-014359

Received 2026-03-16 · MSK · MSK

Serious

Species: Dog
Breed: ['Siberian Husky', 'Shepherd Dog - German']
Size / weight: 50-99 lb (41.277 Kilogram)
Age: 8+ years (9 Year)
Sex: Male Intact
Region: USA
Reactions: Other abnormal test result NOSLack of efficacy (endoparasite) - heartwormLethargy (see also Central nervous system depression in Neurological)Death by euthanasiaBlood in urineCloudy eye (for Miosis, Mydriasis, Anisocoria, Nystagmus - see Neurological)CoughSwelling NOSCorneal opacityUrine abnormalities NOSWeaknessIncreased lung soundsHaemolytic anaemiaNot eatingAbnormal breathingWalking difficultyDecreased red blood cell countDecreased percentage of reticulocytes
Body systems: OtherEffectivenessNeurologicSkin & allergy
Outcomes: Euthanized

USA-USFDACVM-2026-US-010812

Received 2026-03-09 · MSK · MSK

Serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: 10-24 lb (7.1 Kilogram)
Age: 8+ years (9 Year)
Sex: Male Neutered
Region: USA
Reactions: Found dead
Body systems: Other
Outcomes: Died

USA-USFDACVM-2026-US-009572

Received 2026-03-03 · MSK · MSK

Serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (1.8 Kilogram)
Age: Under 1 year (6 Month)
Sex: Male Intact
Region: USA
Reactions: Decreased appetiteListlessDehydrationNot himself/herselfStumbling gaitArched backAbnormal postureSpinal pain NOSKnucklingDysphoriaSlow reflexesReduced responsesDilated pupilsStaringElevated temperatureStiff gaitBehavioural disorder NOS
Body systems: DigestiveOtherBehavior
Outcomes: Ongoing

USA-USFDACVM-2026-US-008820

Received 2026-02-16 · MSK · MSK

Serious

Species: Cat
Breed: Siamese
Size / weight: 10-24 lb (4.763 Kilogram)
Age: 1-3 years (1 Year)
Sex: Male Neutered
Region: USA
Reactions: AnaphylaxisVomitingBloody stoolLethargy (see also Central nervous system depression in Neurological)HypothermiaElevated alanine aminotransferase (ALT)Elevated blood urea nitrogen (BUN)HyperphosphataemiaLeukocytosis NOSElevated total bilirubin
Body systems: OtherDigestiveNeurologic
Outcomes: Ongoing

USA-USFDACVM-2026-US-007473

Received 2026-02-13 · MSK · MSK

Non-serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (4.318 Kilogram)
Sex: Male Neutered
Region: USA
Reactions: CryingAtaxiaDullnessDehydrationIntentional misuse
Body systems: OtherNeurologic
Outcomes: Ongoing

USA-USFDACVM-2026-US-006111

Received 2026-02-13 · MSK · MSK

Non-serious

Species: Dog
Breed: ['Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog)', 'Dog (unknown)']
Size / weight: 10-24 lb (7.98 Kilogram)
Age: Under 1 year (12 Week)
Sex: Female Intact
Region: USA
Reactions: Lack of efficacy (endoparasite) - whipwormLack of efficacy (endoparasite) - roundworm NOS
Body systems: Effectiveness
Outcomes: Outcome Unknown

USA-USFDACVM-2026-US-008267

Received 2026-02-12 · MSK · MSK

Non-serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (1.95 Kilogram)
Age: Under 1 year (6 Month)
Sex: Male Intact
Region: USA
Reactions: Ataxia
Body systems: Neurologic
Outcomes: Outcome Unknown

USA-USFDACVM-2025-US-074219

Received 2025-12-17 · MSK · MSK

Serious

Species: Dog
Breed: Terrier - Irish Soft-coated Wheaten
Size / weight: 25-49 lb (21.319 Kilogram)
Age: 8+ years (12 Year)
Sex: Male Neutered
Region: USA
Reactions: Death
Body systems: Other
Outcomes: Died

USA-USFDACVM-2025-US-072925

Received 2025-12-05 · MSK · MSK

Serious

Species: Dog
Breed: ['Bulldog - American', 'Dog (unknown)']
Size / weight: 50-99 lb (27.941 Kilogram)
Age: 8+ years (9 Year)
Sex: Male Intact
Region: USA
Reactions: UnwellRecumbencyReduced responsesSeizure NOSStrokeDeathOverdose
Body systems: OtherNeurologic
Outcomes: Died

USA-USFDACVM-2025-US-073476

Received 2025-12-02 · MSK · MSK

Non-serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (2.3 Kilogram)
Age: Under 1 year (13 Week)
Sex: Male Intact
Region: USA
Reactions: Injection site painInjection site reaction NOSVocalisationLimb non-weight bearingDiarrhoeaVomitingLethargy (see also Central nervous system depression in Neurological)Emesis (multiple)
Body systems: OtherDigestiveNeurologic
Outcomes: Ongoing

USA-USFDACVM-2025-US-068774

Received 2025-11-19 · MSK · MSK

Serious

Species: Dog
Breed: ['Shepherd (unspecified)', 'Dog (unknown)']
Age: Under 1 year (11 Month)
Sex: Female Intact
Region: USA
Reactions: FractureThrombocytopeniaRespiratory tract infection NOSConjunctivitisUnclassifiable adverse eventOther abnormal test result NOSLack of efficacy (endoparasite) - tapeworm
Body systems: OtherEffectiveness
Outcomes: Outcome Unknown

USA-USFDACVM-2025-US-070682

Received 2025-11-18 · MSK · MSK

Serious

Species: Cat
Breed: Domestic Mediumhair
Size / weight: 10-24 lb (4.82 Kilogram)
Age: 4-7 years (6.08 Year)
Sex: Female Neutered
Region: USA
Reactions: FibrosarcomaDecreased activityHissingInjection site lumpBehavioural disorder NOSTooth disorderGingivitisNeoplasia NOSLeucocytosis NOSSkin inflammation NOSAbnormal radiograph findingAbnormal cytology
Body systems: OtherBehavior
Outcomes: Outcome Unknown

USA-USFDACVM-2025-US-069347

Received 2025-11-14 · MSK · MSK

Non-serious

Species: Dog
Breed: Shepherd Dog - Australian
Age: Under 1 year (3 Month)
Sex: Female Intact
Region: USA
Reactions: Lack of efficacy (endoparasite) - hookwormDiarrhoeaEmesis (multiple)
Body systems: EffectivenessDigestive
Outcomes: Outcome Unknown

USA-USFDACVM-2025-US-069852

Received 2025-11-06 · MSK · MSK

Non-serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (0.52 Kilogram)
Age: Under 1 year (2 Month)
Sex: Female Intact
Region: USA
Reactions: HepatomegalyAbnormal radiograph findingHypothermiaWeight lossSicknessVomiting
Body systems: OtherDigestive
Outcomes: Ongoing

USA-USFDACVM-2025-US-067132

Received 2025-11-03 · MSK · MSK

Serious

Species: Cat
Breed: Domestic Mediumhair
Size / weight: Under 10 lb (1.179 Kilogram)
Age: Under 1 year (1 Week)
Sex: Male Intact
Region: USA
Reactions: Weight lossNot eatingVomitingLethargy (see also Central nervous system depression in Neurological)DehydrationHyperglycaemiaElevated creatinineHyperproteinaemiaHyperalbuminaemiaElevated globulinsDeathBradycardiaCardiomyopathyMuscle wastingIncreased respiratory rateHypothermiaCachexiaLateral recumbencyLaboured breathingNecropsy performedRenal tubular disorderAbnormal histology NOS
Body systems: OtherDigestiveNeurologic
Outcomes: Died

USA-USFDACVM-2025-US-062768

Received 2025-10-17 · MSK · MSK

Serious

Species: Cat
Breed: Domestic Shorthair
Size / weight: Under 10 lb (0.52 Kilogram)
Age: Under 1 year (2 Month)
Sex: Female Intact
Region: USA
Reactions: Lack of efficacy - NOSIntentional misuseHepatomegalyAbnormal radiograph findingHypothermiaWeight loss
Body systems: EffectivenessOther
Outcomes: Ongoing

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 (2) · Diarrhea, Decreased appetite Neurologic (1) · Unsteady walking (ataxia) Behavior (1) · Behavioral disorder (unspecified) Other (28) · Elevated blood urea nitrogen, Elevated alanine aminotransferase, Dysphoria

Most Reported Reactions

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

Species coverage: Cat (21) Dog (11)

View detailed reaction table

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

Source metadata:

https://api.fda.gov/animalandveterinary/event.json · adverse_reaction · openFDA case USA-USFDACVM-2026-US-014359

Source Documents

The most useful source links appear first; full previews and metadata stay in the veterinary/professional layer.

Use original documents to confirm product-specific warnings, ingredients, and handling details with your veterinarian.

Strongid® 48 SPL · SPL Exodus™ Paste SPL · SPL Exodus® Multi Dose SPL · SPL

Full source previews and metadata remain in the veterinary/professional layer.

Owner handouts

No owner handouts linked yet.

Official label / PI

No official label or package insert links yet.

SPL

FOI

Strongid® 48

SPL · SPL

Open original

FDA Structured Product Label

Strongid® 48

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: 140-819
Status: OTC
Form: Top Dressing In Feed
Route: Oral
Species: Horse

Composition / specifications

Type A medicated articles containing pyrantel tartrate 48 grams per pound.

Horses

Indication

Prevention of Strongylus vulgaris larval infections; control of adult large strongyles (S. vulgaris, S. edentates); adult and 4th stage larvae small strongyles (Cyathostomum species, Cylicocyclus species., Cylicostephanus species. Cylicodontophorus species, Poteriostomum species), Triodontophorus species; adult and 4th stage larvae pinworms (Oxyuris equi) and adult and 4th stage larvae ascarids (Parascaris equorum).

Dosage

1.2 milligrams per pound (2.64 milligrams per kilogram) of body weight.

Limitations

Administer either as a top-dress (not to exceed 20,000 grams per ton) or mixed in the horse's daily grain ration (not to exceed 1,200 grams per ton) during the time that the animal is at risk of exposure to internal parasites. Do not use in horses intended for human consumption. Consult your veterinarian before using in severely debilitated animals and for assistance in the diagnosis, treatment, and control of parasitism. Do not mix in Type B or Type C medicated feeds containing bentonite.

Exodus™ Paste

SPL · SPL

Open original

FDA Structured Product Label

Exodus™ Paste Exodus® Multi Dose

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 Ltd.
ANADA: 200-350
Status: OTC
Form: Paste
Route: Oral

Composition / specifications

Each milliliter of paste contains 171 milligrams of pyrantel base (as pyrantel pamoate).

Horses and ponies

Indication

For removal and control of infections from the following mature parasites: large strongyles (Strongylus vulgaris, S. edentatus, S. equinus); small strongyles; pinworms (Oxyuris equi); and large roundworms (Parascaris equorum).

Dosage

Administer as single dose by depositing paste on dorsum of the tongue using the dose syringe. Equivalent of 3 milligrams pyrantel base per pound of body weight.

Exodus® Multi Dose

SPL · SPL

Open original

FDA Structured Product Label

Exodus™ Paste Exodus® Multi Dose

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Sponsor: Bimeda Animal Health Ltd.
ANADA: 200-350
Status: OTC
Form: Paste
Route: Oral

Composition / specifications

Each milliliter of paste contains 171 milligrams of pyrantel base (as pyrantel pamoate).

Horses and ponies

Indication

Dosage

Administer as single dose by depositing paste on dorsum of the tongue using the dose syringe. Equivalent of 3 milligrams pyrantel base per pound of body weight.

WormX®

SPL · SPL

Open original

FDA Structured Product Label

WormX®

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Sponsor: Sergeant’s Pet Care Products Inc.
ANADA: 200-600
Status: OTC
Form: Flavored Tablets
Route: Oral
Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 mg or 113.5 mg pyrantel base

Label highlights

Indication

For removal of ascarids (Toxocara canis; Toxascaris leonina), and hookworms (Ancylostoma caninum; Uncinaria stenocephala) in dogs and puppies. To prevent reinfection of Toxocara canis in puppies and adult dogs and in lactating bitches after whelping

Dosage

22.7 mg tablet in puppies and small dogs

For the removal of large roundworms (Ascarids) and hookworms, give 1 tablet for each 10 lb of body weight. Dosage is designed to provide at least 2.27 mg per pound body weight for dogs weighing over 5 lb, and at least 4.54 mg per pound of body weight for dogs weighing 5 lb or less. For dogs weighing more than 10 lb, tablets may be broken in half to provide ½ tablet for each additional 5 lb of body weight.

113.5 mg tablet in large dogs

For the removal of large roundworms (Ascarids) and hookworms in adult dogs or young dogs weighing more than 25 lb, administer tablets according to the weight of the animal.

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examinations. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism

Pyrantel Pamoate Paste

SPL · SPL

Open original

FDA Structured Product Label

Pyrantel Pamoate Paste

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Sponsor: Farnam Companies, Inc.
ANADA: 200-342
Status: OTC
Form: Paste
Route: Oral
Species: Horse • Pony

Composition / specifications

Each milliliter of paste contains 226 milligrams of pyrantel base (as pyrantel pamoate).

Horses (and ponies)

Indication

For the removal and control of mature infections of tapeworms (Anoplocephala perfoliata).

Dosage

Equivalent of 6 milligrams pyrantel base per pound of body weight.

Limitations

Administer as single oral dose. Not for use in horses intended for food.

Indication

For removal and control of infections from the following mature parasites: large strongyles (Strongylus vulgaris, S. edentatus, S. equinus); small strongyles; pinworms (Oxyuris equi); and large roundworms (Parascaris equorum).

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

Administer as single dose by depositing paste on dorsum of the tongue using the dose syringe. Not for use in horses intended for food. It is recommended that severely debilitated animals not be treated with this preparation. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Anthelban V

SPL · SPL

Open original

FDA Structured Product Label

Anthelban V

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Sponsor: Elanco US Inc.
ANADA: 200-246
Status: RX/OTC
Form: Liquid (Suspension)
Route: Oral
Species: Horse

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses (ponies)

Indication

For the removal and control of infections from the following mature parasites: Large strongyles (Strongylus vulgaris Strongylus edentatus, Strongylus equinus), small strongyles pinworms (Oxyuris), and large roundworms (Parascaris).

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

Administered as a single dose mixed with the usual grain ration, or by stomach tube, or by dose syringe. Not for use in horses and ponies to be slaughtered for food purposes. When the drug is for administration by stomach tube, it shall be labeled: "Federal law restricts this drug to use by or on the order of a licensed veterinarian.” When the drug is not for administration by stomach tube, it shall be labeled: “Consult your veterinarian for in the diagnosis, control, and treatment of parasitism.”

Liqui-Vict 2X™

SPL · SPL

Open original

FDA Structured Product Label

Liqui-Vict 2X™

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Sponsor: Happy Jack, Inc.
ANADA: 200-007
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala)

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Administer in the animal's feed bowl as a single dose by itself or mixed in a small quantity of food. Additional treatment may be required and should be confirmed by examination within 2 to 4 weeks. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism

Dogs (puppies, adults, lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Adult dogs kept in heavily contaminated quarters may be treated at monthly intervals. Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism

Pyrantel Pamoate Suspension-2.27mg

SPL · SPL

Open original

FDA Structured Product Label

Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension

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Sponsor: Cronus Pharma Specialities India Private Ltd.
ANADA: 200-248
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascarias leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dogs (puppies, adults, and in lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Pyrantel Pamoate Suspension-4.54mg

SPL · SPL

Open original

FDA Structured Product Label

Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension

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Sponsor: Cronus Pharma Specialities India Private Ltd.
ANADA: 200-248
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascarias leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dogs (puppies, adults, and in lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Pyrantel Pamoate Suspension

SPL · SPL

Open original

FDA Structured Product Label

Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension

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Sponsor: Cronus Pharma Specialities India Private Ltd.
ANADA: 200-248
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascarias leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dogs (puppies, adults, and in lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dog Wormer Tablets

SPL · SPL

Open original

FDA Structured Product Label

Dog Wormer Tablets

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Sponsor: Farnam Companies, Inc.
NADA: 101-331
Status: OTC
Form: Tablet
Route: Oral
Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7, 45.4, or 113.5 milligrams of pyrantel base.

Dogs

Indication

For removal and control of large roundworms (ascarids) (Toxocara canis and Toxascaris leonina), and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

For dogs weighing over 5 pounds, use at least 2.27 milligrams of pyrantel base per pound of body weight. For dogs weighing 5 pounds or less, use at least 4.54 milligrams of pyrantel base per pound of body weight.

Limitations

Administer orally directly or in a small amount of food. To prevent reinfection of T. canis in puppies, lactating bitches after whelping, and adult dogs; treat puppies 2, 3, 4, 6, 8, and 10 weeks of age; treat lactating bitches 2 to 3 weeks after whelping; routinely treat adult dogs monthly. Do not withhold food prior to or after treatment. The presence of these parasites should be confirmed by laboratory fecal examination. A followup fecal examination should be conducted 2 to 4 weeks after first treatment regimen to determine the need for re-treatment. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Evict®

SPL · SPL

Open original

FDA Structured Product Label

Evict®

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Sponsor: Pegasus Laboratories, Inc.
ANADA: 200-028
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For removal of large roundworms (T. canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Administer in the animal's feed bowl as a single dose by itself or mixed in a small quantity of food.

Limitations

Additional treatment may be required and should be confirmed by examination within 2 to 4 weeks. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Dogs (adults, puppies, and lactating bitches)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 or 4.54 milligrams of pyrantel base per pound of body weight.

Limitations

Administer to puppies at 2,3,4,6,8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Adult dogs kept in heavily contaminated quarters may be treated at monthly intervals. Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism. For use of 2.27 and 4.54 milligrams per milliliter product. See No. 023851 for use of 4.54 milligrams per milliliter product

Continuex™

SPL · SPL

Open original

FDA Structured Product Label

Continuex™

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Sponsor: Farnam Companies, Inc.
ANADA: 200-282
Status: OTC
Form: Top Dressing In Feed
Route: Oral
Species: Horse

Composition / specifications

Type A medicated articles containing pyrantel tartrate 48 grams per pound.

Horses

Indication

Prevention of Strongylus vulgaris larval infections; control of adult large strongyles (S. vulgaris, S. edentatus); adult and 4th stage larvae small strongyles (Cyathostomum species, Cylicocyclus species., Cylicostephanus species, Cylicodontophorus species, Poteriostomum species); Triodontophorus species; adult and 4th stage larvae pinworms (Oxyuris equi) and adult and 4th stage larvae ascarids (Parascaris equorum).

Dosage

1.2 milligrams per pound (2.64 milligrams per kilogram) of body weight.

Limitations

Administer either as a top-dress (not to exceed 20,000 grams per ton) or mixed in the horse's daily grain ration (not to exceed 1,200 grams per ton) during the time that the animal is at risk of exposure to internal parasites. Not for use in horses intended for food. Consult your veterinarian before using in severely debilitated animals and for assistance in the diagnosis, treatment, and control of parasitism. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite.

Dog Wormer Chewable Tablets

SPL · SPL

Open original

FDA Structured Product Label

Dog Wormer Chewable Tablets D-Worm™ Adams™

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Sponsor: Farnam Companies, Inc.
NADA: 139-191
Status: OTC
Form: Tablet (Chewable)
Route: Oral
Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 or 113.5 milligrams pyrantel base.

Dogs

Indication

For removal of ascarids (Toxocara canis; Toxascaris leonine), and hookworms (Ancylostoma caninum; Uncinaria stenocephala) in dogs and puppies. To prevent reinfection of Toxocara canis in puppies and adult dogs and in lactating bitches after whelping

Dosage

Provides at least 2.27 milligrams of pyrantel base per pound of body weight for dogs weighing more than 5 pounds, and at least 4.54 milligrams of pyrantel base per pound body weight for dogs weighing 5 pounds or less

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examination. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

D-Worm™

SPL · SPL

Open original

FDA Structured Product Label

Dog Wormer Chewable Tablets D-Worm™ Adams™

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Sponsor: Farnam Companies, Inc.
NADA: 139-191
Status: OTC
Form: Tablet (Chewable)
Route: Oral
Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 or 113.5 milligrams pyrantel base.

Dogs

Indication

Dosage

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examination. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Adams™

SPL · SPL

Open original

FDA Structured Product Label

Dog Wormer Chewable Tablets D-Worm™ Adams™

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Sponsor: Farnam Companies, Inc.
NADA: 139-191
Status: OTC
Form: Tablet (Chewable)
Route: Oral
Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 or 113.5 milligrams pyrantel base.

Dogs

Indication

Dosage

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examination. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Primex®

SPL · SPL

Open original

FDA Structured Product Label

Primex®

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Sponsor: First Priority, Inc.
ANADA: 200-445
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Horse • Pony

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses and ponies

Indication

For the removal and control of mature infections of large strongyles (Strongylus vulgaris, S. edentatus, S. equinus); pinworms (Oxyuris equi); large roundworms (Parascaris equorum); and small strongyles.

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight

Limitations

Not for use in horses and ponies to be slaughtered for food purposes.

Primex® Canine

SPL · SPL

Open original

FDA Structured Product Label

Primex® Canine Primex® 2-X

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Sponsor: First Priority, Inc.
ANADA: 200-352
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dogs And Puppies

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascaris leonine) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Primex® 2-X

SPL · SPL

Open original

FDA Structured Product Label

Primex® Canine Primex® 2-X

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Sponsor: First Priority, Inc.
ANADA: 200-352
Status: OTC
Form: Liquid (Suspension)
Route: Oral
Species: Dogs And Puppies

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascaris leonine) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Primex™ Equine

SPL · SPL

Open original

FDA Structured Product Label

Primex™ Equine

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Sponsor: First Priority, Inc.
ANADA: 200-353
Status: RX
Form: Liquid (Suspension)
Route: Oral
Species: Horse • Pony

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses (and ponies)

Indication

For the removal and control of infections from the following mature parasites: Large strongyles (Strongylus vulgaris Strongylus edentatus, Strongylus equinus), small strongyles pinworms (Oxyuris), and large roundworms (Parascaris).

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

Administered as a single dose mixed with the usual grain ration, or by stomach tube, or by dose syringe. Not for use in horses and ponies to be slaughtered for food purposes. When the drug is for administration by stomach tube, it shall be labeled: "Federal law restricts this drug to use by or on the order of a licensed veterinarian.'' When the drug is not for administration by stomach tube, it shall be labeled: ``Consult your veterinarian for in the diagnosis, control, and treatment of parasitism.''

Pyrantel Pamoate Chewable Tablets

SPL · SPL

Open original

FDA Structured Product Label

Pyrantel Pamoate Chewable Tablets

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Sponsor: Virbac AH, Inc.
ANADA: 200-281
Status: OTC
Form: Tablet (Chewable)
Route: Oral
Species: Dog

https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/279 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1730 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/2417/Strongid%C2%AE%2048 · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1104 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/1340/Exodus%E2%84%A2%20Paste · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/9114/Exodus%C2%AE%20Multi%20Dose · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1265 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/spl/file/2341/WormX%C2%AE · document · SPL
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1089 · document · FOI
https://animaldrugsatfda.fda.gov/adafda/app/search/public/document/downloadFoi/1088 · document · FOI

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

Reference facts: Source Roxee | Refreshed Aug 6, 2026, 7:46 PM UTC
The reference fact projection used for browse cards and quick facts.
Animal Drugs @ FDA: Source FDA | Refreshed Aug 6, 2026, 7:46 PM 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.
openFDA reaction terms: Source FDA openFDA | Refreshed Aug 6, 2026, 7:52 PM UTC
openFDA case summaries: Source FDA openFDA | Refreshed Aug 6, 2026, 7:52 PM UTC

Official (FDA)

Identity: Generic ingredient • No FDA branded products linked

No official FDA brand rows linked yet for this ingredient.

Case-reported brands (openFDA): MSK

Catalog species: Both • FDA-labeled species: Dog, Dogs And Puppies, Horse, Pony

Rx/OTC: OTC, RX, RX/OTC

Form/route: Flavored Tablets, Liquid (Suspension), Paste, Tablet, Tablet (Chewable), Top Dressing In Feed • Oral

Applications: NADA 140-819 • ANADA 200-350 • ANADA 200-600 • ANADA 200-342 • ANADA 200-246 • ANADA 200-007 • ANADA 200-248 • NADA 101-331 • ANADA 200-028 • ANADA 200-282 • NADA 139-191 • ANADA 200-445 • ANADA 200-352 • ANADA 200-353 • ANADA 200-281

Documents: 20 (FOI: 20) • SPL: 21 • Label highlights • Official documents

Safety (openFDA)

Top reactions: Dog 37 • Cat 70 • View

Case summaries: 18 (showing 8) • View

openFDA reports are unverified and do not prove causation.

Diagnosis Codes

Diagnosis-code mappings are not available for this medication yet.

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

It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite. Feed continuously as the sole ration in a Type C feed. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite. (Contraindication, High)

Top reaction signals

Elevated blood urea nitrogen (1) Elevated alanine aminotransferase (1) Dysphoria (1) Dilated pupils (1) Dehydration (1) Decreased red blood cell count (1) Decreased percentage of reticulocytes (1) Decreased appetite (1)

Identifiers & Packages

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

Identifiers

Package NDC	Product NDC	Status
54771-0459-1	54771	-
62157-438-01	62157	-
66104-2391-1	66104	-
73377-044-01	73377	-
73377-044-02	73377	-
73377-044-03	73377	-
86032-068-01	86032	-
86032-068-02	86032	-
86213-781-01	86213	-
86213-781-02	86213	-
86213-781-03	86213	-

Enriched Documents

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

UCM539434.pdf • FOI summary • Official • Sept. 16, 2025
FDA FOI summary for application 138941
N140819_Orig_04_18_1990.pdf • FOI summary • Official • Nov. 7, 2023
FDA FOI summary for application 140819
ucm049948.pdf • FOI summary • Official • Nov. 7, 2023
FDA FOI summary for application 140819
ucm061837.pdf • FOI summary • Official • May 29, 2020
FDA FOI summary for application 200350
UCM488828.pdf • FOI summary • Official • April 1, 2019
FDA FOI summary for application 200600
ucm061807.pdf • FOI summary • Official • Dec. 27, 2017
FDA FOI summary for application 200342
ucm061808.pdf • FOI summary • Official • Dec. 27, 2017
FDA FOI summary for application 200342
ucm061672.pdf • FOI summary • Official • Dec. 19, 2017
FDA FOI summary for application 200246
ucm061674.pdf • FOI summary • Official • Dec. 19, 2017
FDA FOI summary for application 200246
UCM351252.pdf • FOI summary • Official • Dec. 19, 2017
FDA FOI summary for application 200007
A200248_Orig_7_16_1998.pdf • FOI summary • Official • July 19, 2017
FDA FOI summary for application 200248
N101331_Org_November_14_1978.pdf • FOI summary • Official • July 12, 2017
FDA FOI summary for application 101331
UCM494205.pdf • FOI summary • Official • July 12, 2017
FDA FOI summary for application 101331
UCM323297.pdf • FOI summary • Official • July 11, 2017
FDA FOI summary for application 200028
A200028_Supp_6_4_1997.pdf • FOI summary • Official • July 11, 2017
FDA FOI summary for application 200028
ucm061374.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 200445
ucm059258.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 200353
ucm059255.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 200352
ucm061708.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 200282
ucm061707.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 200281
UCM508348.pdf • FOI summary • Official • June 1, 2016
FDA FOI summary for application 139191

Data Sources & Change Log

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

Official 133 Clinical 7 Manufacturer 0 Marketing 0

Current Field Facts

contraindications: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a … (Clinical, 2026-04-16)
contraindications: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a … (Clinical, 2026-04-15)
contraindications: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a … (Clinical, 2026-04-11)
monitoring: Monitor blood glucose and ketones, hydration status, appetite, and clinical response at regular intervals. (Clinical, 2026-04-16)
usage: For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris , Strongylus edentatus , Strongylus equin… (Clinical, 2026-04-16)
usage: For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris , Strongylus edentatus , Strongylus equin… (Clinical, 2026-04-15)
usage: For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris , Strongylus edentatus , Strongylus equin… (Clinical, 2026-04-11)
contraindications: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a … (Official, 2026-04-22)
contraindications: It is recommended that severely debilitated animals not be treated with this drug. Do not use in horses intended for food. Feed for 3 days as sole ration in a … (Official, 2026-02-12)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-06)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-05)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-04)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-03)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-02)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-08-01)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-07-31)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-07-30)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-07-29)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-07-28)
indications: For the prevention of Strongylus vulgaris larval infections in horses. For control of the following parasites in horses: Large Strongyles (adults) S. vulgaris,… (Official, 2026-07-27)

Recent Revisions

side_effects updated 2026-04-22 10:07 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-04-22 10:07 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-04-22 10:07 by etl_backfill • Backfilled from existing medication fields
side_effects updated 2026-04-16 13:29 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-04-16 13:29 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-04-16 13:29 by etl_backfill • Backfilled from existing medication fields
monitoring updated 2026-04-16 13:29 by curated_loader • Clinical monitoring context for feline diabetes management.
usage updated 2026-04-16 13:29 by curated_loader • Usage statement from FDA warning letter and approved-product context.
drug_profile_type updated 2026-04-16 13:29 by curated_loader • FDA source confirms Senvelgo as a branded approved product.
manufacturer_name updated 2026-04-16 13:29 by curated_loader • FDA warning letter identifies the approved sponsor/manufacturer.
brand_names updated 2026-04-16 13:29 by curated_loader • FDA warning letter references Senvelgo as the approved animal drug.
approval_reference updated 2026-04-16 13:29 by curated_loader • Official FDA application reference for Senvelgo.
side_effects updated 2026-04-15 10:04 by etl_backfill • Backfilled from existing medication fields
contraindications updated 2026-04-15 10:04 by etl_backfill • Backfilled from existing medication fields
usage updated 2026-04-15 10:04 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
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
Strongid® 48 OTC Pyrantel Tartrate Top Dressing In Feed • Oral Label highlights Official documents	Zoetis Inc.	NADA 140-819	Approved	Nov 7, 2023
Exodus™ Paste Exodus® Multi Dose OTC Pyrantel Pamoate Paste • Oral Label highlights Official documents	Bimeda Animal Health Ltd.	ANADA 200-350	Approved	May 29, 2020
WormX® OTC Pyrantel Pamoate Flavored Tablets • Oral Label highlights Official documents	Sergeant’s Pet Care Products Inc.	ANADA 200-600	W	Apr 1, 2019
Pyrantel Pamoate Paste OTC Pyrantel Pamoate Paste • Oral Label highlights Official documents	Farnam Companies, Inc.	ANADA 200-342	Approved	Dec 27, 2017
Anthelban V RX/OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	Elanco US Inc.	ANADA 200-246	Approved	Dec 19, 2017
Liqui-Vict 2X™ OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	Happy Jack, Inc.	ANADA 200-007	Approved	Dec 19, 2017
Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	Cronus Pharma Specialities India Private Ltd.	ANADA 200-248	Approved	Jul 19, 2017
Dog Wormer Tablets OTC Pyrantel Pamoate Tablet • Oral Label highlights Official documents	Farnam Companies, Inc.	NADA 101-331	Approved	Jul 12, 2017
Evict® OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	Pegasus Laboratories, Inc.	ANADA 200-028	W	Jul 11, 2017
Continuex™ OTC Pyrantel Tartrate Top Dressing In Feed • Oral Label highlights Official documents	Farnam Companies, Inc.	ANADA 200-282	Approved	Jun 1, 2016
Dog Wormer Chewable Tablets D-Worm™ Adams™ OTC Pyrantel Pamoate Tablet (Chewable) • Oral Label highlights Official documents	Farnam Companies, Inc.	NADA 139-191	Approved	Jun 1, 2016
Primex® OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	First Priority, Inc.	ANADA 200-445	Approved	Jun 1, 2016
Primex® Canine Primex® 2-X OTC Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	First Priority, Inc.	ANADA 200-352	Approved	Jun 1, 2016
Primex™ Equine RX Pyrantel Pamoate Liquid (Suspension) • Oral Label highlights Official documents	First Priority, Inc.	ANADA 200-353	Approved	Jun 1, 2016
Pyrantel Pamoate Chewable Tablets OTC Pyrantel Pamoate Tablet (Chewable) • Oral Label highlights Official documents	Virbac AH, Inc.	ANADA 200-281	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.

Species: Horse

Composition / specifications

Type A medicated articles containing pyrantel tartrate 48 grams per pound.

Horses

Indication

Dosage

1.2 milligrams per pound (2.64 milligrams per kilogram) of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Composition / specifications

Each milliliter of paste contains 171 milligrams of pyrantel base (as pyrantel pamoate).

Horses and ponies

Indication

Dosage

Administer as single dose by depositing paste on dorsum of the tongue using the dose syringe. Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 mg or 113.5 mg pyrantel base

Label highlights

Indication

Dosage

22.7 mg tablet in puppies and small dogs

113.5 mg tablet in large dogs

For the removal of large roundworms (Ascarids) and hookworms in adult dogs or young dogs weighing more than 25 lb, administer tablets according to the weight of the animal.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Horse • Pony

Composition / specifications

Each milliliter of paste contains 226 milligrams of pyrantel base (as pyrantel pamoate).

Horses (and ponies)

Indication

For the removal and control of mature infections of tapeworms (Anoplocephala perfoliata).

Dosage

Equivalent of 6 milligrams pyrantel base per pound of body weight.

Limitations

Administer as single oral dose. Not for use in horses intended for food.

Indication

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Horse

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses (ponies)

Indication

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala)

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dogs (puppies, adults, lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascarias leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

Dogs (puppies, adults, and in lactating bitches after whelping)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7, 45.4, or 113.5 milligrams of pyrantel base.

Dogs

Indication

For removal and control of large roundworms (ascarids) (Toxocara canis and Toxascaris leonina), and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For removal of large roundworms (T. canis and Toxascaris leonina) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Administer in the animal's feed bowl as a single dose by itself or mixed in a small quantity of food.

Limitations

Additional treatment may be required and should be confirmed by examination within 2 to 4 weeks. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Dogs (adults, puppies, and lactating bitches)

Indication

To prevent reinfections of Toxocara canis.

Dosage

Equivalent to 2.27 or 4.54 milligrams of pyrantel base per pound of body weight.

Limitations

Administer to puppies at 2,3,4,6,8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Adult dogs kept in heavily contaminated quarters may be treated at monthly intervals. Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism. For use of 2.27 and 4.54 milligrams per milliliter product. See No. 023851 for use of 4.54 milligrams per milliliter product

FDA page: Open in Animal Drugs @ FDA

Species: Horse

Composition / specifications

Type A medicated articles containing pyrantel tartrate 48 grams per pound.

Horses

Indication

Dosage

1.2 milligrams per pound (2.64 milligrams per kilogram) of body weight.

Limitations

Administer either as a top-dress (not to exceed 20,000 grams per ton) or mixed in the horse's daily grain ration (not to exceed 1,200 grams per ton) during the time that the animal is at risk of exposure to internal parasites. Not for use in horses intended for food. Consult your veterinarian before using in severely debilitated animals and for assistance in the diagnosis, treatment, and control of parasitism. Consult veterinarian before using in severely debilitated animals. Do not mix in Type B or Type C medicated feeds containing bentonite.

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 or 113.5 milligrams pyrantel base.

Dogs

Indication

Dosage

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examination. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

FDA page: Open in Animal Drugs @ FDA

Species: Horse • Pony

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses and ponies

Indication

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight

Limitations

Not for use in horses and ponies to be slaughtered for food purposes.

FDA page: Open in Animal Drugs @ FDA

Species: Dogs And Puppies

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 2.27 or 4.54 milligrams of pyrantel base per milliliter.

Dogs (and puppies)

Indication

For the removal of large roundworms (Toxocara canis and Toxascaris leonine) and hookworms (Ancylostoma caninum and Uncinaria stenocephala).

Dosage

Equivalent of 2.27 milligrams of pyrantel base per pound of body weight.

Limitations

FDA page: Open in Animal Drugs @ FDA

Species: Horse • Pony

Composition / specifications

Pyrantel pamoate suspension contains pyrantel pamoate equivalent to 50 milligrams of pyrantel base per milliliter.

Horses (and ponies)

Indication

Dosage

Equivalent of 3 milligrams pyrantel base per pound of body weight.

Limitations

Administered as a single dose mixed with the usual grain ration, or by stomach tube, or by dose syringe. Not for use in horses and ponies to be slaughtered for food purposes. When the drug is for administration by stomach tube, it shall be labeled: "Federal law restricts this drug to use by or on the order of a licensed veterinarian.'' When the drug is not for administration by stomach tube, it shall be labeled: ``Consult your veterinarian for in the diagnosis, control, and treatment of parasitism.''

FDA page: Open in Animal Drugs @ FDA

Species: Dog

Composition / specifications

Each tablet contains pyrantel pamoate equivalent to 22.7 or 113.5 milligrams pyrantel base.

Dogs

Indication

Dosage

Limitations

Administer to puppies at 2, 3, 4, 6, 8, and 10 weeks of age. Administer to lactating bitches 2 to 3 weeks after whelping. Retreatment of adult dogs may be necessary at monthly intervals as determined by laboratory fecal examination. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

FDA page: Open in Animal Drugs @ FDA

Usage

For the removal and control of infections from the following mature parasites: Large strongyles ( Strongylus vulgaris , Strongylus edentatus , Strongylus equinus ), small strongyles, pinworms ( Oxyuris equi ) and large roundworms ( Parascaris ). For the removal and control of large roundworm ( Ascaris suum ) infections. Aid in the prevention of migration and establishment of large roundworm ( Ascaris suum ) infections; aid in the prevention of establishment of nodular worm ( Oesophagostomum ) infections.

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

Diarrhea (1) • Dog Decreased appetite (1) • Cat

Showing top 5 for Digestive.

Neurologic

Unsteady walking (1) • Cat

Showing top 5 for Neurologic.

Behavior

Behavioral disorder (1) • Cat

Showing top 5 for Behavior.

Other

Elevated blood urea nitrogen (1) • Cat Elevated alanine aminotransferase (1) • Cat Dysphoria (1) • Cat Dullness (1) • Cat Dilated pupils (1) • Cat

Show more (23)

Dehydration (1) • Cat Decreased red blood cell count (1) • Dog Decreased percentage of reticulocytes (1) • Dog Decreased activity (1) • Cat Death by euthanasia (1) • Dog Death (1) • Dog Crying (1) • Cat Cough (1) • Dog Corneal opacity (1) • Dog Conjunctivitis (1) • Dog Cloudy eye (1) • Dog Cardiomyopathy (1) • Cat Cachexia (1) • Cat Bradycardia (1) • Cat Bloody stool (1) • Cat Blood in urine (1) • Dog Arched back (1) • Cat Anaphylaxis (1) • Cat Abnormal radiograph finding (1) • Cat Abnormal posture (1) • Cat Abnormal histology NOS (1) • Cat Abnormal cytology (1) • Cat Abnormal breathing (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, Terrier - Yorkshire, Male, 3 year, 6.622 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Vomiting, Tiredness (lethargy), Loose bowel • Outcome: Ongoing

Report ID: USA-USFDACVM-2026-US-014403
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 3.00 Year
Weight: 6.622 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown
Form: Unassigned

Reactions Reported:

Vomiting Tiredness (lethargy) Loose bowel

Outcomes: Ongoing

Dog, Retriever - Labrador, Female, 5 year, 36.73 kilogram • Drug: MSK, Unknown • Reactions: Lack of efficacy (endoparasite) - hookworm • Outcome: Outcome Unknown

Report ID: USA-USFDACVM-2026-US-012371
Serious AE: No
Treated For AE: No
Sex: Female
Age: 5.00 Year
Weight: 36.730 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown

Reactions Reported:

Lack of efficacy (endoparasite) - hookworm

Outcomes: Outcome Unknown

Dog, ['Siberian Husky', 'Shepherd Dog - German'], Male, 9 year, 41.277 kilogram • Drug: MSK, Unknown • Reactions: Other abnormal test result NOS, Lack of efficacy (endoparasite) - heartworm, Tiredness (lethargy), Death by euthanasia, Blood in urine… • Outcome: Euthanized

Report ID: USA-USFDACVM-2026-US-014359
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 9.00 Year
Weight: 41.277 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown

Reactions Reported:

Other abnormal test result NOS Lack of efficacy (endoparasite) - heartworm Tiredness (lethargy) Death by euthanasia Blood in urine Cloudy eye Cough Swelling NOS Corneal opacity Urine abnormalities NOS Weakness Increased lung sounds Haemolytic anaemia Not eating Abnormal breathing Walking difficulty Decreased red blood cell count Decreased percentage of reticulocytes

Outcomes: Euthanized

Cat, Domestic Shorthair, Male, 9 year, 7.1 kilogram • Drug: MSK, Unknown • Reactions: Found dead • Outcome: Died

Report ID: USA-USFDACVM-2026-US-010812
Serious AE: Yes
Treated For AE: No
Sex: Male
Age: 9.00 Year
Weight: 7.100 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown

Reactions Reported:

Found dead

Outcomes: Died

Cat, Domestic Shorthair, Male, 6 month, 1.8 kilogram • Drug: MSK, Unknown • Reactions: Decreased appetite, Listless, Dehydration, Not himself/herself, Stumbling gait… • Outcome: Ongoing

Report ID: USA-USFDACVM-2026-US-009572
Serious AE: Yes
Treated For AE: Yes
Sex: Male
Age: 6.00 Month
Weight: 1.800 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown

Reactions Reported:

Decreased appetite Listless Dehydration Not himself/herself Stumbling gait Arched back Abnormal posture Spinal pain NOS Knuckling Dysphoria Slow reflexes Reduced responses Dilated pupils Staring Elevated temperature Stiff gait Behavioral disorder (unspecified)

Outcomes: Ongoing

Cat, Siamese, Male, 1 year, 4.763 kilogram • Drug: MSK, Unassigned, Unknown • Reactions: Anaphylaxis, Vomiting, Bloody stool, Tiredness (lethargy), Hypothermia… • Outcome: Ongoing

Report ID: USA-USFDACVM-2026-US-008820
Serious AE: Yes
Treated For AE: No
Sex: Male
Age: 1.00 Year
Weight: 4.763 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown
Form: Unassigned

Reactions Reported:

Anaphylaxis Vomiting Bloody stool Tiredness (lethargy) Hypothermia Elevated alanine aminotransferase Elevated blood urea nitrogen Hyperphosphataemia Leukocytosis NOS Elevated total bilirubin

Outcomes: Ongoing

Cat, Domestic Shorthair, Male, 4.318 kilogram • Drug: MSK, Liquid, Oral • Reactions: Crying, Unsteady walking (ataxia), Dullness, Dehydration, Intentional misuse • Outcome: Ongoing

Report ID: USA-USFDACVM-2026-US-007473
Serious AE: No
Treated For AE: No
Sex: Male
Weight: 4.318 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Oral
Form: Liquid

Reactions Reported:

Crying Unsteady walking (ataxia) Dullness Dehydration Intentional misuse

Outcomes: Ongoing

Dog, ['Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog)', 'Dog (unknown)'], Female, 12 week, 7.98 kilogram • Drug: MSK, Unknown • Reactions: Lack of efficacy (endoparasite) - whipworm, Lack of efficacy (endoparasite) - roundworm NOS • Outcome: Outcome Unknown

Report ID: USA-USFDACVM-2026-US-006111
Serious AE: No
Treated For AE: Yes
Sex: Female
Age: 12.00 Week
Weight: 7.980 Kilogram

Case-reported brand: MSK
Case-reported manufacturer: MSK
Route: Unknown

Reactions Reported:

Lack of efficacy (endoparasite) - whipworm Lack of efficacy (endoparasite) - roundworm NOS

Outcomes: Outcome Unknown

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.

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Pyrantel Tartrate

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Pyrantel Tartrate

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Pyrantel Tartrate

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USA-USFDACVM-2026-US-014403

USA-USFDACVM-2026-US-012371

USA-USFDACVM-2026-US-014359

USA-USFDACVM-2026-US-010812

USA-USFDACVM-2026-US-009572

USA-USFDACVM-2026-US-008820

USA-USFDACVM-2026-US-007473

USA-USFDACVM-2026-US-006111

USA-USFDACVM-2026-US-008267

USA-USFDACVM-2025-US-074219

USA-USFDACVM-2025-US-072925

USA-USFDACVM-2025-US-073476

USA-USFDACVM-2025-US-068774

USA-USFDACVM-2025-US-070682

USA-USFDACVM-2025-US-069347

USA-USFDACVM-2025-US-069852

USA-USFDACVM-2025-US-067132

USA-USFDACVM-2025-US-062768

Grouped by Body System

Most Reported Reactions

Source Documents

Owner handouts

Official label / PI

SPL

FOI

Strongid® 48

Strongid® 48

Horses

Exodus™ Paste

Exodus™ Paste Exodus® Multi Dose

Horses and ponies

Exodus® Multi Dose

Exodus™ Paste Exodus® Multi Dose

Horses and ponies

WormX®

WormX®

Label highlights

Pyrantel Pamoate Paste

Pyrantel Pamoate Paste

Horses (and ponies)

Anthelban V

Anthelban V

Horses (ponies)

Liqui-Vict 2X™

Liqui-Vict 2X™

Dogs (and puppies)

Dogs (puppies, adults, lactating bitches after whelping)

Pyrantel Pamoate Suspension-2.27mg

Pyrantel Pamoate Suspension-2.27mg Pyrantel Pamoate Suspension-4.54mg Pyrantel Pamoate Suspension

Dogs (and puppies)

Dogs (puppies, adults, and in lactating bitches after whelping)