Praziquantel + Pyrantel side effects in dogs
3,685 reports sent to the FDA between 2007 and 2026 involve Praziquantel + Pyrantel in dogs. The most reported problems were vomiting, lethargy, diarrhea. 28% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.
3,685Reports
28%Marked serious
82%Only medicine involved
33%Recovered
6.9%Died or euthanised
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About this medicine
Praziquantel treats tapeworms. 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 dog 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 (2,908 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Chihuahua 237 reports
- Pit Bull 196 reports
- Labrador Retriever 173 reports
- Yorkshire Terrier 119 reports
- Shih Tzu 108 reports
- American Pit Bull Terrier 93 reports
- German Shepherd Dog 86 reports
- German Pomeranian Spitz 53 reports
- Boxer (german Boxer) 49 reports
- Dachshund 48 reports