Pyrantel side effects in cats
560 reports sent to the FDA between 1995 and 2026 involve Pyrantel in cats. The most reported problems were lethargy, loss of appetite, vomiting. 31% were marked serious, and where it was recorded, signs eased after stopping the medicine in 0% of cases.
560Reports
31%Marked serious
41%Only medicine involved
14%Recovered
20%Died or euthanised
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About this medicine
Pyrantel treats roundworms and hookworms.
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 (322 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 217 reports
- Domestic 169 reports
- Domestic Mediumhair 27 reports
- Domestic Longhair 21 reports
- Cat (other) 14 reports
- Siamese 10 reports
- Persian 7 reports
- Maine Coon 7 reports
- Ragdoll 4 reports
- Manx 3 reports
Other dewormers for cats
Emodepside + Praziquantel (Profender)5,730 reports · 48% seriousPraziquantel1,661 reports · 22% seriousPraziquantel + Pyrantel1,260 reports · 40% seriousFenbendazole285 reports · 49% seriousFebantel + Praziquantel + Pyrantel (Drontal Plus)70 reports · 37% seriousPyrantel + Sarolaner (Simparica Trio)50 reports · 44% serious