Thiamine — 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. Thiamine is a active ingredient.
Total reports
Thiamine: 28
Reports by species (top entries)
- Cat 7
- Dog 7
- Cattle 3
- Alpaca 1
- Goat 1
- Horse 1
Top reported reactions (VEDDRA terms, top entries)
- Death 10
- Behavioural disorder NOS 5
- Appearance, Abnormal 4
- Aggression 3
- Anaemia NOS 3
- Lateral recumbency 3
- Mydriasis 3
- Neutrophilia 3
- Not eating 3
- Other abnormal test result NOS 3
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b28.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).