Drug profile

The FDA adverse-event record for Gentamicin + Betamethasone

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

26
adverse-event reports
19.2%
death-coded share
Dog
most-reported species
7
Diarrhoea - 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.
26
Total Reports
5
Deaths Reported
19.2%
Death Rate

Active Ingredients

Gentamicin + Betamethasone

Administration Routes

TopicalUnknown

Species Affected

Dog 25
Cat 1

Most Affected Breeds

Terrier - Bull - Miniature 3
Retriever - Labrador 2
Deutsche Dogge, Great Dane 2
Pit Bull 2
Dachshund (unspecified) 2
Coonhound - Redbone 2
Domestic Longhair 1
Bloodhound 1
Japanese Chin (Spaniel) 1
Spitz - German Pomeranian 1

Most Reported Reactions

Diarrhoea 7
Emesis 6
Vomiting 6
Lethargy (see also Central nervous system depression in 'Neurological') 4
Not eating 4
Skin disorders NOS 4
Anorexia 4
Eye redness 4
Decreased haemoglobin 4
Decreased red blood cell count 4
Decreased haematocrit 4
Decreased percentage of reticulocytes 4

Outcome Breakdown

Recovered/Normal
10 (38.5%)
Outcome Unknown
5 (19.2%)
Ongoing
5 (19.2%)
Euthanized
3 (11.5%)
Died
2 (7.7%)
Recovered with Sequela
1 (3.8%)

Gentamicin + Betamethasone Adverse Event Insights

26 reports name Gentamicin + Betamethasone; 5 recorded a death outcome (19.2% of reported events, not a population-level mortality rate). Active ingredient: Gentamicin + Betamethasone. Administration routes: Topical, Unknown.

By species: Dog (25 reports), Cat (1 reports). By breed: Terrier - Bull - Miniature (3), Retriever - Labrador (2), Deutsche Dogge, Great Dane (2).

Leading clinical signs: Diarrhoea (7), Emesis (6), Vomiting (6), Lethargy (see also Central nervous system depression in 'Neurological') (4). Outcome, 26 coded reports: Recovered/Normal leads at 38.5%.

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.