Permethrin + Pyriproxyfen side effects in Labrador Retrievers

60 FDA reports involve Permethrin + Pyriproxyfen in a Labrador Retriever. These are the problems they describe.

Didn't prevent heartworm
14 23%
Didn't work as expected
12 20%
Lethargy
12 20%
Loss of appetite
8 13%
Vomiting
8 13%
Didn't stop worms
6 10%
Diarrhea
4 6.7%
Ear infection
3 5.0%
Leucocytosis
3 5.0%
Skin rash or irritation
3 5.0%
Wobbliness (ataxia)
3 5.0%
Vocalising
3 5.0%

All reports for Permethrin + Pyriproxyfen in dogs