Drug profile

The FDA adverse-event record for Buprenorphine Hydrochloride

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

15
adverse-event reports
33.3%
death-coded share
Dog
most-reported species
4
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.
15
Total Reports
5
Deaths Reported
33.3%
Death Rate

Active Ingredients

Buprenorphine Hydrochloride

Administration Routes

UnknownSubcutaneousOralIntramuscularParenteral

Species Affected

Dog 8
Cat 7

Most Affected Breeds

Retriever - Labrador 3
Mixed (Dog) 2
Domestic Shorthair 2
Chihuahua 2
Domestic Longhair 1
Sheepdog - Shetland 1
Scottish Fold Shorthair 1
Unknown 1
Domestic Mediumhair 1
Cat (unknown) 1

Most Reported Reactions

Diarrhoea 4
Not eating 4
Death by euthanasia 3
Other abnormal test result NOS 2
Vomiting 2
Elevated blood urea nitrogen (BUN) 2
Death 2
Twitching 2
Not drinking 2
Impaired vision 1
Eye disorder NOS (for photophobia see 'neurological') 1
Disorientation 1

Outcome Breakdown

Recovered/Normal
7 (46.7%)
Euthanized
4 (26.7%)
Ongoing
2 (13.3%)
Died
1 (6.7%)
Outcome Unknown
1 (6.7%)

Buprenorphine Hydrochloride Adverse Event Insights

15 reports name Buprenorphine Hydrochloride; 5 recorded a death outcome (33.3% of reported events, not a population-level mortality rate). Active ingredient: Buprenorphine Hydrochloride. Administration routes: Unknown, Subcutaneous, Oral, Intramuscular.

By species: Dog (8 reports), Cat (7 reports). By breed: Retriever - Labrador (3), Mixed (Dog) (2), Domestic Shorthair (2).

Leading clinical signs: Diarrhoea (4), Not eating (4), Death by euthanasia (3), Other abnormal test result NOS (2). Outcome, 15 coded reports: Recovered/Normal leads at 46.7%.

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.