Permethrin side effects in dogs
81 reports sent to the FDA between 2012 and 2025 involve Permethrin in dogs. The most reported problems were lethargy, itching, diarrhea. 36% were marked serious.
81Reports
36%Marked serious
0.0%Only medicine involved
14%Recovered
4.9%Died or euthanised
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About this medicine
Type: medicine.
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 (48 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- German Shepherd Dog 6 reports
- Labrador Retriever 5 reports
- Yorkshire Terrier 5 reports
- Miniature Dachshund 5 reports
- Beagle 4 reports
- Shih Tzu 2 reports
- Miniature Schnauzer 2 reports
- German Pomeranian Spitz 2 reports
- Chihuahua 2 reports
- Pekingese 2 reports
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