Maropitant (Cerenia) side effects in cats
3,847 reports sent to the FDA between 2007 and 2026 involve Maropitant in cats. The most reported problems were loss of appetite, lethargy, vomiting. 51% were marked serious, and where it was recorded, signs eased after stopping the medicine in 56% of cases.
About this medicine
Maropitant prevents vomiting and motion sickness.
Products with this ingredient include Cerenia. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
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 (3,243 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 2,152 reports
- Domestic Longhair 270 reports
- Domestic Mediumhair 233 reports
- Cat (other) 210 reports
- Domestic 201 reports
- Siamese 100 reports
- Maine Coon 71 reports
- Persian 45 reports
- Ragdoll 45 reports
- Bengal 33 reports