Drug profile

The FDA adverse-event record for Steroid (Unknown)

410 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Steroid (Unknown). See the species affected, top reactions, and outcomes below.

410
adverse-event reports
8.8%
death-coded share
Dog
most-reported species
68
Emesis - 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.
410
Total Reports
36
Deaths Reported
8.8%
Death Rate

Active Ingredients

Steroid (Unknown)

Administration Routes

UnknownOralParenteralSubcutaneousTopicalRespiratory (Inhalation)Auricular (Otic)OphthalmicIntraocularIntra-Articular

Species Affected

Dog 293
Cat 113
Human 3
Cattle 1

Most Affected Breeds

Domestic Shorthair 58
Dog (unknown) 18
Shepherd Dog - German 17
Chihuahua 16
Retriever - Labrador 16
Cat (unknown) 14
Pit Bull 13
Terrier - Yorkshire 12
Beagle 12
Domestic Longhair 12

Most Reported Reactions

Emesis 68
Vomiting 68
Lack of efficacy - NOS 48
Lethargy (see also Central nervous system depression in 'Neurological') 41
Diarrhoea 37
Lack of efficacy (ectoparasite) - flea 33
Weight loss 30
Not eating 23
Behavioural disorder NOS 22
Seizure NOS 19
Decreased appetite 19
Death 18

Outcome Breakdown

Outcome Unknown
137 (33.4%)
Recovered/Normal
120 (29.3%)
Ongoing
93 (22.7%)
Recovered with Sequela
24 (5.9%)
Died
18 (4.4%)
Euthanized
18 (4.4%)

Steroid (Unknown) Adverse Event Insights

410 reports name Steroid (Unknown); 36 recorded a death outcome (8.8% of reported events, not a population-level mortality rate). Active ingredient: Steroid (Unknown). Administration routes: Unknown, Oral, Parenteral, Subcutaneous.

By species: Dog (293 reports), Cat (113 reports), Human (3 reports). By breed: Domestic Shorthair (58), Dog (unknown) (18), Shepherd Dog - German (17).

Leading clinical signs: Emesis (68), Vomiting (68), Lack of efficacy - NOS (48), Lethargy (see also Central nervous system depression in 'Neurological') (41). Outcome, 410 coded reports: Outcome Unknown leads at 33.4%.

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.