Drug profile

The FDA adverse-event record for Pepcid

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

63
adverse-event reports
11.1%
death-coded share
Dog
most-reported species
13
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.
63
Total Reports
7
Deaths Reported
11.1%
Death Rate

Active Ingredients

Pepcid

Administration Routes

UnknownOral

Species Affected

Dog 60
Cat 3

Most Affected Breeds

Retriever - Labrador 6
Terrier - Bull - American Pit 5
Crossbred Canine/dog 4
Bulldog - French 4
Chihuahua 3
Terrier (unspecified) 3
Retriever - Golden 3
Shepherd (unspecified) 2
Pit Bull 2
Terrier - Boston 2

Most Reported Reactions

Diarrhoea 13
Lethargy (see also Central nervous system depression in Neurological) 11
Vomiting 8
Elevated blood urea nitrogen (BUN) 6
Seizure NOS 6
Twitching 6
Death by euthanasia 6
Decreased appetite 6
Ataxia 5
Emesis (multiple) 5
Walking difficulty 5
Anorexia 4

Outcome Breakdown

Ongoing
32 (50.8%)
Recovered/Normal
16 (25.4%)
Outcome Unknown
8 (12.7%)
Euthanized
6 (9.5%)
Died
1 (1.6%)

Pepcid Adverse Event Insights

63 reports name Pepcid; 7 recorded a death outcome (11.1% of reported events, not a population-level mortality rate). Active ingredient: Pepcid. Administration routes: Unknown, Oral.

By species: Dog (60 reports), Cat (3 reports). By breed: Retriever - Labrador (6), Terrier - Bull - American Pit (5), Crossbred Canine/dog (4).

Leading clinical signs: Diarrhoea (13), Lethargy (see also Central nervous system depression in Neurological) (11), Vomiting (8), Elevated blood urea nitrogen (BUN) (6). Outcome, 63 coded reports: Ongoing leads at 50.8%.

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.