Dimethyl Sulfoxide — 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. Dimethyl Sulfoxide is a active ingredient.
Total reports
Dimethyl Sulfoxide: 37
Reports by species (top entries)
- Horse 12
- Dog 7
- Cat 1
- Human 1
- Other 1
Top reported reactions (VEDDRA terms, top entries)
- Odor, Abnormal 4
- Seal, Abnormal 4
- Vials, Leaking 4
- Ataxia 3
- Cutaneous calcinosis 3
- Bacterial skin infection NOS 2
- Death 2
- Decreased urine concentration 2
- Hind limb ataxia 2
- Increased sweating 2
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b28.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).