Drug profile

The FDA adverse-event record for Pyrantel Pamoate;Sarolaner

47,313 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Pyrantel Pamoate;Sarolaner. See the species affected, top reactions, and outcomes below.

47,313
adverse-event reports
1.7%
death-coded share
Dog
most-reported species
8,460
Vomiting - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
47,313
Total Reports
826
Deaths Reported
1.7%
Death Rate

Active Ingredients

Pyrantel Pamoate;Sarolaner

Administration Routes

OralUnknownSubcutaneousTopicalOphthalmicOtherRespiratory (Inhalation)EndotrachealIntrauterineIntradermal

Species Affected

Dog 45,845
Unknown 1,399
Cat 42
Human 24
Other Canids 2
Marsupial 1

Most Affected Breeds

Retriever - Labrador 5,436
Retriever - Golden 3,915
Dog (unknown) 3,189
Crossbred Canine/dog 2,348
Shepherd Dog - German 1,986
Terrier - Bull - American Pit 1,554
Shepherd Dog - Australian 1,517
Unknown 1,426
Chihuahua 1,400
Shih Tzu 1,141

Most Reported Reactions

Vomiting 8,460
Lack of efficacy (bacteria) - Borrelia 5,354
Lack of efficacy (endoparasite) - heartworm 4,843
Seizure NOS 3,838
Lack of efficacy (endoparasite) - hookworm 3,730
Diarrhoea 3,596
Lack of efficacy (endoparasite) - roundworm NOS 2,864
Lack of efficacy (ectoparasite) - tick NOS 2,765
Lethargy (see also Central nervous system depression in 'Neurological') 1,983
Lack of efficacy (endoparasite) - tapeworm 1,937
Lack of efficacy (ectoparasite) - flea 1,546
Lack of efficacy (bacteria) - Anaplasma 1,296

Outcome Breakdown

Ongoing
27,485 (59.8%)
Recovered/Normal
8,941 (19.5%)
Outcome Unknown
8,671 (18.9%)
Died
445 (1.0%)
Euthanized
381 (0.8%)
Recovered with Sequela
10 (0.0%)

Pyrantel Pamoate;Sarolaner Adverse Event Insights

47,313 reports name Pyrantel Pamoate;Sarolaner; 826 recorded a death outcome (1.7% of reported events, not a population-level mortality rate). Active ingredient: Pyrantel Pamoate;Sarolaner. Administration routes: Oral, Unknown, Subcutaneous, Topical.

By species: Dog (45,845 reports), Unknown (1,399 reports), Cat (42 reports). By breed: Retriever - Labrador (5,436), Retriever - Golden (3,915), Dog (unknown) (3,189).

Leading clinical signs: Vomiting (8,460), Lack of efficacy (bacteria) - Borrelia (5,354), Lack of efficacy (endoparasite) - heartworm (4,843), Seizure NOS (3,838). Outcome, 45,933 coded reports: Ongoing leads at 59.8%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.