Spinosad (Comfortis) side effects in Collies

179 FDA reports involve Spinosad in a Collie. These are the problems they describe.

Vomiting
103 58%
Didn't stop fleas
22 12%
Lethargy
18 10%
Itching
12 6.7%
Diarrhea
11 6.1%
Seizures
11 6.1%
Wobbliness (ataxia)
9 5.0%
Loss of appetite
8 4.5%
Death
8 4.5%
Disorientation
6 3.4%
Liver problems
6 3.4%
Drooling
5 2.8%

All reports for Spinosad in dogs