Drug profile

The FDA adverse-event record for Thiostrepton

10 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Thiostrepton. See the species affected, top reactions, and outcomes below.

10
adverse-event reports
0.0%
death-coded share
Unknown
most-reported species
9
Potency, Low - 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.
10
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Thiostrepton

Administration Routes

Unknown

Species Affected

Unknown 9
Dog 1

Most Affected Breeds

Unknown 9
American Pit Bull Terrier 1

Most Reported Reactions

Potency, Low 9
Unsteady gait 1
Nystagmus 1
Ataxia 1
Unable to walk 1
Vestibular disorder NOS 1
Head tilt - ear disorder 1

Outcome Breakdown

Ongoing
1 (100.0%)

Thiostrepton Adverse Event Insights

10 reports name Thiostrepton; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Thiostrepton. Administration route: Unknown.

By species: Unknown (9 reports), Dog (1 reports). By breed: Unknown (9), American Pit Bull Terrier (1).

Leading clinical signs: Potency, Low (9), Unsteady gait (1), Nystagmus (1), Ataxia (1). Outcome, 1 coded reports: Ongoing leads at 100.0%.

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.