Spinosad (Comfortis) side effects in Domestic Shorthairs

6,360 FDA reports involve Spinosad in a Domestic Shorthair. These are the problems they describe.

Vomiting
4,964 78%
Didn't stop fleas
809 13%
Lethargy
551 8.7%
Didn't work as expected
475 7.5%
Loss of appetite
318 5.0%
Unpalatable
259 4.1%
Itching
211 3.3%
Behaviour change
178 2.8%
Diarrhea
142 2.2%
Death
132 2.1%
Breathing problems
126 2.0%
Restlessness or agitation
116 1.8%

All reports for Spinosad in cats