Haemophilus Somnus Bacterin Toxoid — 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. Haemophilus Somnus Bacterin Toxoid is a active ingredient.
Total reports
Haemophilus Somnus Bacterin Toxoid: 17
Reports by species (top entries)
- Cattle 17
Top reported reactions (VEDDRA terms, top entries)
- Death 14
- Lack of efficacy - NOS 8
- Lack of efficacy (bacteria) - NOS 4
- Necropsy performed 3
- Lethargy (see also Central nervous system depression in 'Neurological') 2
- Anaphylaxis 1
- Death by euthanasia 1
- Depression 1
- Facial swelling (see also 'Skin') 1
- Foam in the nose 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b27.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).