Drug profile

The FDA adverse-event record for Propectalin

45 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Propectalin. See the species affected, top reactions, and outcomes below.

45
adverse-event reports
24.4%
death-coded share
Dog
most-reported species
21
Diarrhoea - 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.
45
Total Reports
11
Deaths Reported
24.4%
Death Rate

Active Ingredients

Propectalin

Administration Routes

OralUnknownOther

Species Affected

Dog 42
Cat 3

Most Affected Breeds

Retriever - Golden 6
Retriever - Labrador 3
Mountain Dog - Bernese 3
Terrier - Yorkshire 3
Dog (other) 2
Shepherd Dog - German 2
Domestic Shorthair 2
Chow Chow 2
Newfoundland 2
Persian 1

Most Reported Reactions

Diarrhoea 21
Vomiting 14
Not eating 7
Lethargy (see also Central nervous system depression in Neurological) 7
Decreased appetite 6
Death by euthanasia 6
Bloody diarrhoea 5
Death 5
Lymphopenia 5
Anorexia 4
Neutropenia 4
Hypoalbuminaemia 4

Outcome Breakdown

Ongoing
25 (55.6%)
Euthanized
6 (13.3%)
Recovered/Normal
5 (11.1%)
Died
5 (11.1%)
Outcome Unknown
4 (8.9%)

Propectalin Adverse Event Insights

45 reports name Propectalin; 11 recorded a death outcome (24.4% of reported events, not a population-level mortality rate). Active ingredient: Propectalin. Administration routes: Oral, Unknown, Other.

By species: Dog (42 reports), Cat (3 reports). By breed: Retriever - Golden (6), Retriever - Labrador (3), Mountain Dog - Bernese (3).

Leading clinical signs: Diarrhoea (21), Vomiting (14), Not eating (7), Lethargy (see also Central nervous system depression in Neurological) (7). Outcome, 45 coded reports: Ongoing leads at 55.6%.

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.