Spinosad (Comfortis) side effects in Beagles

629 FDA reports involve Spinosad in a Beagle. These are the problems they describe.

Vomiting
338 54%
Didn't stop fleas
149 24%
Lethargy
59 9.4%
Itching
44 7.0%
Seizures
29 4.6%
Tremors
26 4.1%
Loss of appetite
26 4.1%
Diarrhea
22 3.5%
Death
21 3.3%
Breathing problems
15 2.4%
Wobbliness (ataxia)
14 2.2%
Behaviour change
12 1.9%

All reports for Spinosad in dogs