Carprofen (Rimadyl) side effects in cats
1,709 reports sent to the FDA between 1997 and 2026 involve Carprofen in cats. The most reported problems were accidental exposure, no sign, vomiting. 3.7% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.
About this medicine
Carprofen relieves pain and inflammation from arthritis or after surgery.
Products with this ingredient include Rimadyl, Novox, Vetprofen. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
NSAIDs can affect the stomach, liver and kidneys. Vets usually recommend blood tests before and during long-term use.
Most reported side effects
Share = percentage of this medicine's reports that mention the problem. One report can list several problems.
Reports that it didn't work
Some reports are about the medicine not working (for example a cat still getting fleas or heartworm), not about a side effect.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (130 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic 1,243 reports
- Domestic Shorthair 95 reports
- Siamese 35 reports
- American Shorthair 20 reports
- Maine Coon 19 reports
- Persian 10 reports
- Himalayan 8 reports
- Ragdoll 7 reports
- Bengal 7 reports
- Domestic Longhair 6 reports