mercaptobenzothiazole — 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 2026-08-16. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. "mercaptobenzothiazole" is a name as filed in the drug active-ingredient field of these reports (may be a generic ingredient or a product/brand name as reported).
Total reports
mercaptobenzothiazole: 452
Reports by species (top entries)
- Dog 239
- Human 174
- Cat 24
- Other 3
- Chicken 1
- Other Birds 1
Top reported reactions (VEDDRA terms, top entries)
- Accidental exposure 220
- Unclassifiable adverse event 154
- No sign 139
- Vomiting 64
- Accidental drug intake by child 63
- Depression 47
- Anorexia 31
- Pruritus 19
- Lack of efficacy - NOS 17
- Skin hyperaemia 16
"Lack of efficacy" terms denote product-performance reports, not adverse reactions.
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-08-16_b1.json (openFDA animalandveterinary/event.json, pulled 2026-08-16).