Spinosad (Comfortis) side effects in Retrievers

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

Vomiting
482 71%
Lethargy
68 10%
Itching
46 6.8%
Didn't stop fleas
43 6.4%
Loss of appetite
24 3.6%
Tremors
23 3.4%
Seizures
22 3.3%
Diarrhea
17 2.5%
Drooling
16 2.4%
Death
16 2.4%
Breathing problems
14 2.1%
Wobbliness (ataxia)
14 2.1%

All reports for Spinosad in dogs