Drug profile

The FDA adverse-event record for Hydrocortisone, Polymyxin B Sulfate

20 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Hydrocortisone, Polymyxin B Sulfate. See the species affected, top reactions, and outcomes below.

20
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
7
Lack of efficacy - NOS - 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.
20
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Hydrocortisone, Polymyxin B Sulfate

Administration Routes

Auricular (Otic)UnknownTopical

Species Affected

Dog 19
Cat 1

Most Affected Breeds

Retriever - Labrador 3
Pit Bull 2
Maltese 2
Collie - Border 1
Terrier - West Highland White 1
Domestic Shorthair 1
Terrier - Boston 1
Brittany 1
Chihuahua 1
Dog (other) 1

Most Reported Reactions

Lack of efficacy - NOS 7
Emesis 5
Vomiting 3
Ear infection NOS 3
Seizure NOS 2
Appetite loss 1
Lethargy (see also Central nervous system depression in 'Neurological') 1
Diarrhoea 1
Eyes rolling back 1
Vocalisation 1
Otitis NOS 1
INEFFECTIVE, ASCARIDS NOS 1

Outcome Breakdown

Recovered/Normal
9 (45.0%)
Outcome Unknown
8 (40.0%)
Recovered with Sequela
2 (10.0%)
Ongoing
1 (5.0%)

Hydrocortisone, Polymyxin B Sulfate Adverse Event Insights

20 reports name Hydrocortisone, Polymyxin B Sulfate; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Hydrocortisone, Polymyxin B Sulfate. Administration routes: Auricular (Otic), Unknown, Topical.

By species: Dog (19 reports), Cat (1 reports). By breed: Retriever - Labrador (3), Pit Bull (2), Maltese (2).

Leading clinical signs: Lack of efficacy - NOS (7), Emesis (5), Vomiting (3), Ear infection NOS (3). Outcome, 20 coded reports: Recovered/Normal leads at 45.0%.

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.