Promazine Hydrochloride — 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. Promazine Hydrochloride is a active ingredient.
Total reports
Promazine Hydrochloride: 19
Reports by species (top entries)
- Horse 14
- Cattle 1
- Mule 1
Top reported reactions (VEDDRA terms, top entries)
- INEFFECTIVE, SEDATION 9
- INEFFECTIVE, TRANQUILIZATION 3
- Convulsion 2
- Hyperactivity 2
- Lack of efficacy - NOS 2
- Aggression 1
- Behavioural disorder NOS 1
- Death 1
- Granules/Powder, Abnormal 1
- Paddling 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b28.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).