Pyrantel side effects in dogs
4,786 reports sent to the FDA between 1995 and 2026 involve Pyrantel in dogs. The most reported problems were vomiting, lethargy, diarrhea. 26% were marked serious, and where it was recorded, signs eased after stopping the medicine in 78% of cases.
4,786Reports
26%Marked serious
52%Only medicine involved
19%Recovered
15%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 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 (2,431 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 282 reports
- Pit Bull 208 reports
- Chihuahua 205 reports
- German Shepherd Dog 126 reports
- Boxer (german Boxer) 126 reports
- Golden Retriever 106 reports
- Shih Tzu 105 reports
- Yorkshire Terrier 99 reports
- Greyhound 97 reports
- Beagle 88 reports