Drug profile

The FDA adverse-event record for Firocoxib

3,499 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Firocoxib. See the species affected, top reactions, and outcomes below.

3,499
adverse-event reports
16.0%
death-coded share
Dog
most-reported species
870
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.
3,499
Total Reports
560
Deaths Reported
16.0%
Death Rate

Active Ingredients

Firocoxib

Administration Routes

OralUnknownIntravenousSubcutaneousIntraocularOtherIntramuscularTopical

Species Affected

Dog 2,731
Unknown 395
Horse 334
Cat 20
Human 13
Mule 3
Other 2
Donkey 1

Most Affected Breeds

Retriever - Labrador 454
Unknown 426
Crossbred Canine/dog 289
Dog (unknown) 209
Retriever - Golden 158
Shepherd Dog - German 122
Boxer (German Boxer) 99
Quarter Horse 93
Rottweiler 85
Horse (unknown) 73

Most Reported Reactions

Vomiting 870
Anorexia 449
Diarrhoea 389
Elevated blood urea nitrogen (BUN) 350
Lethargy (see also Central nervous system depression in 'Neurological') 307
Death 279
Elevated creatinine 273
Death by euthanasia 263
Elevated serum alkaline phosphatase (SAP) 227
Other abnormal test result NOS 218
Elevated alanine aminotransferase (ALT) 215
Depression 202

Outcome Breakdown

Outcome Unknown
853 (36.7%)
Recovered/Normal
557 (24.0%)
Died
394 (17.0%)
Ongoing
333 (14.3%)
Euthanized
166 (7.1%)
Recovered with Sequela
20 (0.9%)

Firocoxib Adverse Event Insights

3,499 reports name Firocoxib; 560 recorded a death outcome (16.0% of reported events, not a population-level mortality rate). Active ingredient: Firocoxib. Administration routes: Oral, Unknown, Intravenous, Subcutaneous.

By species: Dog (2,731 reports), Unknown (395 reports), Horse (334 reports). By breed: Retriever - Labrador (454), Unknown (426), Crossbred Canine/dog (289).

Leading clinical signs: Vomiting (870), Anorexia (449), Diarrhoea (389), Elevated blood urea nitrogen (BUN) (350). Outcome, 2,323 coded reports: Outcome Unknown leads at 36.7%.

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.