Drug profile

The FDA adverse-event record for Gentamicin Sulfate & Betamethasone Valerate

67 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Gentamicin Sulfate & Betamethasone Valerate. See the species affected, top reactions, and outcomes below.

67
adverse-event reports
10.4%
death-coded share
Dog
most-reported species
12
Lethargy (see also Central nervous system depression in 'Neurological') - 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.
67
Total Reports
7
Deaths Reported
10.4%
Death Rate

Active Ingredients

Gentamicin Sulfate & Betamethasone Valerate

Administration Routes

TopicalUnknownOphthalmicAuricular (Otic)

Species Affected

Dog 62
Cat 5

Most Affected Breeds

Retriever - Labrador 13
Terrier - Bull - American Pit 5
Shih Tzu 3
Bichon Frise 3
Retriever - Golden 3
Collie - Border 2
Chihuahua 2
Bulldog 2
Terrier - Yorkshire 2
Maltese 2

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 12
Vomiting 8
Emesis 7
Anorexia 6
Death by euthanasia 6
Ataxia 5
Erythema (for urticaria see Immune SOC) 5
Pruritus 5
Behavioural disorder NOS 5
Diarrhoea 5
Abnormal radiograph finding 5
Lack of efficacy - NOS 5

Outcome Breakdown

Ongoing
39 (58.2%)
Recovered/Normal
17 (25.4%)
Euthanized
6 (9.0%)
Outcome Unknown
4 (6.0%)
Died
1 (1.5%)

Gentamicin Sulfate & Betamethasone Valerate Adverse Event Insights

67 reports name Gentamicin Sulfate & Betamethasone Valerate; 7 recorded a death outcome (10.4% of reported events, not a population-level mortality rate). Active ingredient: Gentamicin Sulfate & Betamethasone Valerate. Administration routes: Topical, Unknown, Ophthalmic, Auricular (Otic).

By species: Dog (62 reports), Cat (5 reports). By breed: Retriever - Labrador (13), Terrier - Bull - American Pit (5), Shih Tzu (3).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (12), Vomiting (8), Emesis (7), Anorexia (6). Outcome, 67 coded reports: Ongoing leads at 58.2%.

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.