Drug profile

The FDA adverse-event record for Antidiarrheal (Unknown)

26 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Antidiarrheal (Unknown). See the species affected, top reactions, and outcomes below.

26
adverse-event reports
3.8%
death-coded share
Dog
most-reported species
11
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.
26
Total Reports
1
Deaths Reported
3.8%
Death Rate

Active Ingredients

Antidiarrheal (Unknown)

Administration Routes

UnknownOral

Species Affected

Dog 19
Cat 7

Most Affected Breeds

Domestic Shorthair 7
Shepherd Dog - German 3
Shih Tzu 2
Retriever - Labrador 2
Shepherd Dog - Australian 2
Retriever (unspecified) 1
Mountain Dog - Bernese 1
Pit Bull 1
Pug 1
Pekingese 1

Most Reported Reactions

Diarrhoea 11
Bloody diarrhoea 5
Lethargy (see also Central nervous system depression in Neurological) 5
Loose stool 4
Decreased appetite 4
Emesis 3
Vomiting 3
Ketosis 3
Weight loss 3
Hypersalivation 3
Dehydration 3
Dehiscence 3

Outcome Breakdown

Ongoing
12 (46.2%)
Outcome Unknown
7 (26.9%)
Recovered/Normal
5 (19.2%)
Recovered with Sequela
1 (3.8%)
Died
1 (3.8%)

Antidiarrheal (Unknown) Adverse Event Insights

26 reports name Antidiarrheal (Unknown); 1 recorded a death outcome (3.8% of reported events, not a population-level mortality rate). Active ingredient: Antidiarrheal (Unknown). Administration routes: Unknown, Oral.

By species: Dog (19 reports), Cat (7 reports). By breed: Domestic Shorthair (7), Shepherd Dog - German (3), Shih Tzu (2).

Leading clinical signs: Diarrhoea (11), Bloody diarrhoea (5), Lethargy (see also Central nervous system depression in Neurological) (5), Loose stool (4). Outcome, 26 coded reports: Ongoing leads at 46.2%.

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.