Spinosad (Comfortis) side effects in King Charles Cavalier Spaniels

330 FDA reports involve Spinosad in a King Charles Cavalier Spaniel. These are the problems they describe.

Vomiting
150 45%
Didn't stop fleas
83 25%
Lethargy
41 12%
Itching
26 7.9%
Diarrhea
23 7.0%
Accidental exposure
22 6.7%
Loss of appetite
16 4.8%
Death
13 3.9%
Didn't work as expected
10 3.0%
Seizures
10 3.0%
Weight loss
8 2.4%
Tremors
7 2.1%

All reports for Spinosad in dogs