Selamectin (Revolution) side effects in Cocker American Spaniels

433 FDA reports involve Selamectin in a Cocker American Spaniel. These are the problems they describe.

Didn't prevent heartworm
111 26%
Didn't stop fleas
67 15%
Vomiting
57 13%
Lethargy
48 11%
Diarrhea
38 8.8%
Didn't stop worms
29 6.7%
Itching
26 6.0%
Loss of appetite
25 5.8%
Seizures
24 5.5%
Didn't stop mites
22 5.1%
Tremors
18 4.2%
Skin rash or irritation
18 4.2%

All reports for Selamectin in dogs