Spinosad (Comfortis) side effects in Spaniels

40 FDA reports involve Spinosad in a Spaniel. These are the problems they describe.

Vomiting
26 65%
Itching
8 20%
Didn't stop fleas
5 13%
Lethargy
5 13%
Didn't work as expected
3 7.5%
Loss of appetite
3 7.5%
Breathing problems
3 7.5%
Behaviour change
2 5.0%
Fever
2 5.0%
Death
2 5.0%
Drinking a lot
1 2.5%
Preputial discharge
1 2.5%

All reports for Spinosad in dogs