Imidacloprid + Permethrin side effects in dogs
468 reports sent to the FDA between 2009 and 2026 involve Imidacloprid + Permethrin in dogs. The most reported problems were vomiting, lethargy, itching. 23% were marked serious.
468Reports
23%Marked serious
0.0%Only medicine involved
38%Recovered
4.9%Died or euthanised
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About this medicine
Imidacloprid kills fleas (spot-on or collar).
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 (310 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 35 reports
- Chihuahua 16 reports
- Golden Retriever 14 reports
- German Shepherd Dog 11 reports
- Australian Shepherd Dog 11 reports
- Shih Tzu 9 reports
- Dog (other) 9 reports
- Yorkshire Terrier 9 reports
- Siberian Husky 9 reports
- Beagle 9 reports
Other flea and tick treatments for dogs
Spinosad (Comfortis)57,095 reports · 7.7% seriousLufenuron + Milbemycin Oxime (Sentinel)26,051 reports · 24% seriousImidacloprid + Moxidectin (Advantage Multi)13,117 reports · 57% seriousNitenpyram (Capstar)10,782 reports · 10.0% seriousLufenuron + Milbemycin Oxime + Praziquantel (Sentinel Spectrum)9,966 reports · 40% seriousFipronil + S-methoprene (Frontline Plus)2,954 reports · 49% seriousFlumethrin + Imidacloprid (Seresto)2,273 reports · 25% seriousImidacloprid1,908 reports · 11% serious