Drug profile

The FDA adverse-event record for Ivermectin + Praziquantel + Pyrantel

22 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Ivermectin + Praziquantel + Pyrantel. See the species affected, top reactions, and outcomes below.

22
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
12
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.
22
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

IvermectinPraziquantelPyrantel

Administration Routes

OralUnknown

Species Affected

Dog 17
Unknown 5

Most Affected Breeds

Unknown 5
Shih Tzu 3
Retriever - Labrador 2
Crossbred Canine/dog 2
Terrier - Boston 2
Pit Bull 1
Terrier - Jack Russell 1
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 1
Rottweiler 1
Doberman Pinscher 1

Most Reported Reactions

Vomiting 12
Behavioural disorder NOS 3
Diarrhoea 3
Lethargy (see also Central nervous system depression in 'Neurological') 3
INEFFECTIVE, HEARTWORM LARVAE 2
Ataxia 2
Pruritus 2
Lack of efficacy (ectoparasite) - flea 2
Contamination, Foreign Object 2
Tablets, Abnormal 2
Drug dose omission 1
Leucocytosis NOS 1

Outcome Breakdown

Recovered/Normal
12 (70.6%)
Outcome Unknown
2 (11.8%)
Ongoing
2 (11.8%)
Recovered with Sequela
1 (5.9%)

Ivermectin + Praziquantel + Pyrantel Adverse Event Insights

22 reports name Ivermectin + Praziquantel + Pyrantel; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredients: Ivermectin, Praziquantel, Pyrantel. Administration routes: Oral, Unknown.

By species: Dog (17 reports), Unknown (5 reports). By breed: Unknown (5), Shih Tzu (3), Retriever - Labrador (2).

Leading clinical signs: Vomiting (12), Behavioural disorder NOS (3), Diarrhoea (3), Lethargy (see also Central nervous system depression in 'Neurological') (3). Outcome, 17 coded reports: Recovered/Normal leads at 70.6%.

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.