Spinosad (Comfortis) side effects in Golden Retrievers

902 FDA reports involve Spinosad in a Golden Retriever. These are the problems they describe.

Vomiting
447 50%
Didn't stop fleas
168 19%
Lethargy
132 15%
Loss of appetite
53 5.9%
Seizures
53 5.9%
Itching
50 5.5%
Diarrhea
43 4.8%
Drooling
35 3.9%
Death
32 3.5%
Wobbliness (ataxia)
30 3.3%
Didn't work as expected
24 2.7%
Unpalatable
21 2.3%

All reports for Spinosad in dogs