Spinosad (Comfortis) side effects in Cocker English Spaniels

66 FDA reports involve Spinosad in a Cocker English Spaniel. These are the problems they describe.

Vomiting
42 64%
Didn't stop fleas
13 20%
Itching
7 11%
Lethargy
5 7.6%
Tremors
3 4.5%
Weight loss
3 4.5%
Loss of appetite
3 4.5%
Diarrhea
3 4.5%
Pyoderma
2 3.0%
Weight gain
2 3.0%
Cough
2 3.0%
Behaviour change
2 3.0%

All reports for Spinosad in dogs