FDA ADE reports for Thiamazole

ade_thiamazole_adverse_events

ade en 2026-07-22

Thiamazole — FDA Animal & Veterinary Adverse Event (ADE) Reports

Source: openFDA animalandveterinary/event.json, the FDA Center for Veterinary Medicine (CVM) adverse event report database. Data pulled 2026-07-22. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. Thiamazole is a active ingredient.

Total reports

Thiamazole: 610

Reports by species (top entries)

Cat 548
Human 18
Dog 2

Top reported reactions (VEDDRA terms, top entries)

Vomiting 146
Weight loss 98
Lethargy (see also Central nervous system depression in 'Neurological') 63
Elevated alanine aminotransferase (ALT) 61
Anorexia 49
Decreased appetite 44
Lack of efficacy - NOS 44
Excoriation 38
Other abnormal test result NOS 36
Pruritus 31

Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b13.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).

Sources

FDA ADE reports for Thiamazole (active ingredient) — total reports, species & reaction breakdown

Source document: FDA FAERS / openFDA Animal & Veterinary Event Reports

US FDA Center for Veterinary Medicine (openFDA animal & veterinary event database)retrieved 2026-07-22

Verification file: pdf-raw/ade/ade_active_ingredients_2026-07-22_b13.json

Link points to the issuing authority's site; a direct document link is still being verified.

Machine access

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Raw JSON ↗ llm.txt OpenAPI