Spinosad (Comfortis) side effects in Domestics

556 FDA reports involve Spinosad in a Domestic. These are the problems they describe.

Vomiting
337 61%
Accidental exposure
124 22%
Didn't stop fleas
112 20%
Didn't work as expected
67 12%
Lethargy
63 11%
Loss of appetite
41 7.4%
Itching
33 5.9%
Unpalatable
20 3.6%
No sign
16 2.9%
Death
16 2.9%
Restlessness or agitation
14 2.5%
Behaviour change
11 2.0%

All reports for Spinosad in cats