Febantel + Praziquantel + Pyrantel (Drontal Plus) side effects in cats
70 reports sent to the FDA between 2000 and 2025 involve Febantel + Praziquantel + Pyrantel in cats. The most reported problems were vomiting, loss of appetite, lethargy. 37% were marked serious.
About this medicine
Febantel treats intestinal worms. Praziquantel treats tapeworms. Pyrantel treats roundworms and hookworms.
Products with this combination include Drontal Plus. 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 (45 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 37 reports
- Domestic 9 reports
- Domestic Mediumhair 5 reports
- Domestic Longhair 2 reports
- Persian 1 reports
- Maine Coon 1 reports
- Russian 1 reports
- Burmese 1 reports
- Siamese 1 reports
- Cat (other) 1 reports