Drug profile

The FDA adverse-event record for Ranitidine

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

56
adverse-event reports
7.1%
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.
56
Total Reports
4
Deaths Reported
7.1%
Death Rate

Active Ingredients

Ranitidine

Administration Routes

OralUnknown

Species Affected

Dog 48
Human 6
Horse 1
Cat 1

Most Affected Breeds

Retriever - Labrador 7
Unknown 6
Dog (unknown) 5
Beagle 4
Shih Tzu 3
Retriever (unspecified) 3
Terrier - Yorkshire 3
Shepherd Dog - German 2
Boxer (German Boxer) 2
Doberman Pinscher 2

Most Reported Reactions

Vomiting 12
Emesis 11
Other abnormal test result NOS 10
Lethargy (see also Central nervous system depression in 'Neurological') 8
Diarrhoea 6
Decreased appetite 5
Accidental exposure 5
Weakness 4
Elevated serum alkaline phosphatase (SAP) 4
Death 4
Anorexia 4
Weight loss 4

Outcome Breakdown

Recovered/Normal
23 (40.4%)
Outcome Unknown
14 (24.6%)
Ongoing
11 (19.3%)
Recovered with Sequela
5 (8.8%)
Died
4 (7.0%)

Ranitidine Adverse Event Insights

56 reports name Ranitidine; 4 recorded a death outcome (7.1% of reported events, not a population-level mortality rate). Active ingredient: Ranitidine. Administration routes: Oral, Unknown.

By species: Dog (48 reports), Human (6 reports), Horse (1 reports). By breed: Retriever - Labrador (7), Unknown (6), Dog (unknown) (5).

Leading clinical signs: Vomiting (12), Emesis (11), Other abnormal test result NOS (10), Lethargy (see also Central nervous system depression in 'Neurological') (8). Outcome, 57 coded reports: Recovered/Normal leads at 40.4%.

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.