Drug profile

The FDA adverse-event record for Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide

14 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide. See the species affected, top reactions, and outcomes below.

14
adverse-event reports
14.3%
death-coded share
Cat
most-reported species
5
Application site alopecia - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
14
Total Reports
2
Deaths Reported
14.3%
Death Rate

Active Ingredients

Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide

Administration Routes

TopicalUnknown

Species Affected

Cat 8
Dog 6

Most Affected Breeds

Domestic Shorthair 5
Siamese 3
Pinscher - Miniature 1
Dog (unknown) 1
Poodle - Toy 1
Spaniel - Cocker American 1
Whippet 1
Boxer (German Boxer) 1

Most Reported Reactions

Application site alopecia 5
Vomiting 5
Lethargy (see also Central nervous system depression in 'Neurological') 4
Application site erythema 4
Application site burn 3
Application site pruritus 3
Head tilt - ear disorder 3
Pruritus 3
Skin lesion NOS 2
Application site dermatitis 2
Application site bleeding 2
Application site mucopurulent discharge 2

Outcome Breakdown

Outcome Unknown
9 (64.3%)
Recovered/Normal
3 (21.4%)
Euthanized
2 (14.3%)

Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide Adverse Event Insights

14 reports name Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide; 2 recorded a death outcome (14.3% of reported events, not a population-level mortality rate). Active ingredient: Nystatin/Neomycin Sulfate/Thiostrepton/Triamcinolone Acetonide. Administration routes: Topical, Unknown.

By species: Cat (8 reports), Dog (6 reports). By breed: Domestic Shorthair (5), Siamese (3), Pinscher - Miniature (1).

Leading clinical signs: Application site alopecia (5), Vomiting (5), Lethargy (see also Central nervous system depression in 'Neurological') (4), Application site erythema (4). Outcome, 14 coded reports: Outcome Unknown leads at 64.3%.

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.