Selamectin (Revolution) side effects in Beagles

454 FDA reports involve Selamectin in a Beagle. These are the problems they describe.

Didn't prevent heartworm
189 42%
Didn't stop worms
54 12%
Didn't work as expected
45 9.9%
Didn't stop fleas
34 7.5%
Lethargy
33 7.3%
Itching
32 7.0%
Vomiting
29 6.4%
Seizures
21 4.6%
Tremors
18 4.0%
Loss of appetite
18 4.0%
Diarrhea
18 4.0%
Didn't stop mites
15 3.3%

All reports for Selamectin in dogs