Drug profile

The FDA adverse-event record for Unspecified Trazodone

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

21
adverse-event reports
9.5%
death-coded share
Dog
most-reported species
4
Unable to walk - 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.
21
Total Reports
2
Deaths Reported
9.5%
Death Rate

Active Ingredients

Unspecified Trazodone

Administration Routes

OralUnknown

Species Affected

Dog 21

Most Affected Breeds

Siberian Husky 4
Retriever - Labrador 3
Retriever - Golden 3
Shepherd Dog - German 3
Terrier - Bull - Staffordshire 2
Terrier - Bull - American Pit 1
Cattle Dog (unspecified) 1
Terrier (unspecified) 1
Spitz - German Pomeranian 1
Terrier - Boston 1

Most Reported Reactions

Unable to walk 4
Behavioural disorder NOS 3
Elevated alanine aminotransferase (ALT) 3
Partial lack of efficacy 3
Panting 3
Low serum alkaline phosphatase (ALP) 3
Heavy breathing 3
Drooling 3
Low platelet count 3
Emesis (multiple) 2
Weight loss 2
Hypokalaemia 2

Outcome Breakdown

Ongoing
12 (57.1%)
Outcome Unknown
4 (19.0%)
Recovered/Normal
3 (14.3%)
Euthanized
1 (4.8%)
Died
1 (4.8%)

Unspecified Trazodone Adverse Event Insights

21 reports name Unspecified Trazodone; 2 recorded a death outcome (9.5% of reported events, not a population-level mortality rate). Active ingredient: Unspecified Trazodone. Administration routes: Oral, Unknown.

By species: Dog (21 reports). By breed: Siberian Husky (4), Retriever - Labrador (3), Retriever - Golden (3).

Leading clinical signs: Unable to walk (4), Behavioural disorder NOS (3), Elevated alanine aminotransferase (ALT) (3), Partial lack of efficacy (3). Outcome, 21 coded reports: Ongoing leads at 57.1%.

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.