Drug profile

The FDA adverse-event record for Taurine

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

20
adverse-event reports
15.0%
death-coded share
Dog
most-reported species
4
Other abnormal test result NOS - 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.
20
Total Reports
3
Deaths Reported
15.0%
Death Rate

Active Ingredients

Taurine

Administration Routes

UnknownOral

Species Affected

Dog 17
Cat 3

Most Affected Breeds

Spaniel - King Charles Cavalier 5
Domestic Shorthair 3
Retriever - Golden 2
Retriever - Labrador 2
Doberman Pinscher 2
Poodle (unspecified) 2
Hound - Basset 1
Dog (other) 1
Spaniel - Springer English 1
Borzoi 1

Most Reported Reactions

Other abnormal test result NOS 4
Elevated blood urea nitrogen (BUN) 3
Vomiting 3
Diarrhoea 3
Elevated alanine aminotransferase (ALT) 3
Urinary incontinence 3
Lethargy (see also Central nervous system depression in Neurological) 3
Hypotension 3
Thrombocytosis 2
Nausea 2
Hyperphosphataemia 2
Lethargy (see also Central nervous system depression in 'Neurological') 2

Outcome Breakdown

Ongoing
8 (40.0%)
Recovered/Normal
5 (25.0%)
Outcome Unknown
4 (20.0%)
Euthanized
2 (10.0%)
Died
1 (5.0%)

Taurine Adverse Event Insights

20 reports name Taurine; 3 recorded a death outcome (15.0% of reported events, not a population-level mortality rate). Active ingredient: Taurine. Administration routes: Unknown, Oral.

By species: Dog (17 reports), Cat (3 reports). By breed: Spaniel - King Charles Cavalier (5), Domestic Shorthair (3), Retriever - Golden (2).

Leading clinical signs: Other abnormal test result NOS (4), Elevated blood urea nitrogen (BUN) (3), Vomiting (3), Diarrhoea (3). Outcome, 20 coded reports: Ongoing leads at 40.0%.

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.