Drug profile

The FDA adverse-event record for Tramadol Hydrochloride

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

24
adverse-event reports
12.5%
death-coded share
Dog
most-reported species
7
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.
24
Total Reports
3
Deaths Reported
12.5%
Death Rate

Active Ingredients

Tramadol Hydrochloride

Administration Routes

OralUnknown

Species Affected

Dog 23
Other Birds 1

Most Affected Breeds

Retriever - Labrador 3
Retriever - Golden 3
Shih Tzu 2
Crossbred Canine/dog 2
American Pit Bull Terrier 2
Spaniel - Cocker American 1
Poodle - Miniature 1
Shepherd Dog - Belgian Groenendael 1
Siberian Husky 1
Bulldog 1

Most Reported Reactions

Vomiting 7
Anorexia 6
Elevated alanine aminotransferase (ALT) 6
Panting 5
Lethargy (see also Central nervous system depression in 'Neurological') 5
Diarrhoea 5
Weight loss 4
Decreased appetite 4
Elevated blood urea nitrogen (BUN) 4
Muscle wasting 3
Death 3
Elevated serum alkaline phosphatase (SAP) 2

Outcome Breakdown

Recovered/Normal
9 (39.1%)
Outcome Unknown
9 (39.1%)
Died
3 (13.0%)
Ongoing
2 (8.7%)

Tramadol Hydrochloride Adverse Event Insights

24 reports name Tramadol Hydrochloride; 3 recorded a death outcome (12.5% of reported events, not a population-level mortality rate). Active ingredient: Tramadol Hydrochloride. Administration routes: Oral, Unknown.

By species: Dog (23 reports), Other Birds (1 reports). By breed: Retriever - Labrador (3), Retriever - Golden (3), Shih Tzu (2).

Leading clinical signs: Vomiting (7), Anorexia (6), Elevated alanine aminotransferase (ALT) (6), Panting (5). Outcome, 23 coded reports: Recovered/Normal leads at 39.1%.

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.