Drug profile

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

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

625
adverse-event reports
4.3%
death-coded share
Dog
most-reported species
152
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.
625
Total Reports
27
Deaths Reported
4.3%
Death Rate

Active Ingredients

FebantelPraziquantelPyrantel

Administration Routes

OralUnknownTopicalParenteral

Species Affected

Dog 607
Unknown 9
Cat 7
Human 2

Most Affected Breeds

Dog (unknown) 131
Greyhound 76
Crossbred Canine/dog 45
Retriever - Labrador 36
Retriever - Golden 28
Shepherd Dog - German 20
Beagle 14
Chihuahua 13
Pit Bull 13
Unknown 12

Most Reported Reactions

Vomiting 152
Lack of efficacy (endoparasite) - tapeworm 82
Lack of efficacy (endoparasite) - hookworm 73
Diarrhoea 64
INEFFECTIVE, HOOKS 53
Emesis 46
Emesis (multiple) 42
Lack of efficacy (endoparasite) - NOS 32
Lack of efficacy (endoparasite) - roundworm NOS 29
Hyperactivity 28
Lethargy (see also Central nervous system depression in 'Neurological') 27
Other abnormal test result NOS 20

Outcome Breakdown

Outcome Unknown
312 (50.6%)
Recovered/Normal
246 (39.9%)
Ongoing
31 (5.0%)
Died
19 (3.1%)
Euthanized
8 (1.3%)

Febantel + Praziquantel + Pyrantel Adverse Event Insights

625 reports name Febantel + Praziquantel + Pyrantel; 27 recorded a death outcome (4.3% of reported events, not a population-level mortality rate). Active ingredients: Febantel, Praziquantel, Pyrantel. Administration routes: Oral, Unknown, Topical, Parenteral.

By species: Dog (607 reports), Unknown (9 reports), Cat (7 reports). By breed: Dog (unknown) (131), Greyhound (76), Crossbred Canine/dog (45).

Leading clinical signs: Vomiting (152), Lack of efficacy (endoparasite) - tapeworm (82), Lack of efficacy (endoparasite) - hookworm (73), Diarrhoea (64). Outcome, 616 coded reports: Outcome Unknown leads at 50.6%.

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.