Drug profile

The FDA adverse-event record for Acepromazine (Unknown Manufacturer)

16 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Acepromazine (Unknown Manufacturer). See the species affected, top reactions, and outcomes below.

16
adverse-event reports
25.0%
death-coded share
Dog
most-reported species
4
Cough - 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.
16
Total Reports
4
Deaths Reported
25.0%
Death Rate

Active Ingredients

Acepromazine (Unknown Manufacturer)

Administration Routes

UnknownSubcutaneousIntramuscular

Species Affected

Dog 13
Cat 3

Most Affected Breeds

Terrier - Yorkshire 11
Domestic Shorthair 2
Cat (unknown) 1
Chihuahua 1
Retriever - Labrador 1

Most Reported Reactions

Cough 4
Anxiety 4
Death 2
Musculoskeletal disorder NOS 2
Nasal congestion 2
Sneezing 2
Panting 2
Not eating 2
Lethargy (see also Central nervous system depression in Neurological) 2
Vomiting 2
Hyponatremia 2
Hypokalaemia 2

Outcome Breakdown

Outcome Unknown
9 (56.3%)
Died
2 (12.5%)
Recovered/Normal
2 (12.5%)
Euthanized
2 (12.5%)
Ongoing
1 (6.3%)

Acepromazine (Unknown Manufacturer) Adverse Event Insights

16 reports name Acepromazine (Unknown Manufacturer); 4 recorded a death outcome (25.0% of reported events, not a population-level mortality rate). Active ingredient: Acepromazine (Unknown Manufacturer). Administration routes: Unknown, Subcutaneous, Intramuscular.

By species: Dog (13 reports), Cat (3 reports). By breed: Terrier - Yorkshire (11), Domestic Shorthair (2), Cat (unknown) (1).

Leading clinical signs: Cough (4), Anxiety (4), Death (2), Musculoskeletal disorder NOS (2). Outcome, 16 coded reports: Outcome Unknown leads at 56.3%.

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.