Drug profile

The FDA adverse-event record for Gentamycin

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

12
adverse-event reports
33.3%
death-coded share
Horse
most-reported species
5
Hyperactivity - 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.
12
Total Reports
4
Deaths Reported
33.3%
Death Rate

Active Ingredients

Gentamycin

Administration Routes

IntravenousUnknownSubcutaneous

Species Affected

Horse 7
Dog 5

Most Affected Breeds

Quarter Horse 5
Retriever - Labrador 3
Thoroughbred 2
Dog (unknown) 1
Retriever - Golden 1

Most Reported Reactions

Hyperactivity 5
Behavioural disorder NOS 5
Overdose 4
Death 3
Other abnormal test result NOS 3
Abnormal radiograph finding 2
Elevated total bilirubin 2
Renal disorder NOS 1
Anaemia NOS 1
Pale mucous membrane 1
Recumbency 1
Not eating 1

Outcome Breakdown

Recovered/Normal
5 (41.7%)
Died
3 (25.0%)
Ongoing
2 (16.7%)
Euthanized
1 (8.3%)
Outcome Unknown
1 (8.3%)

Gentamycin Adverse Event Insights

12 reports name Gentamycin; 4 recorded a death outcome (33.3% of reported events, not a population-level mortality rate). Active ingredient: Gentamycin. Administration routes: Intravenous, Unknown, Subcutaneous.

By species: Horse (7 reports), Dog (5 reports). By breed: Quarter Horse (5), Retriever - Labrador (3), Thoroughbred (2).

Leading clinical signs: Hyperactivity (5), Behavioural disorder NOS (5), Overdose (4), Death (3). Outcome, 12 coded reports: Recovered/Normal leads at 41.7%.

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.