Milbemycin Oxime + Spinosad (Trifexis) side effects in Cocker English Spaniels

187 FDA reports involve Milbemycin Oxime + Spinosad in a Cocker English Spaniel. These are the problems they describe.

Vomiting
115 61%
Didn't work as expected
17 9.1%
Lethargy
16 8.6%
Didn't prevent heartworm
15 8.0%
Didn't stop fleas
14 7.5%
Itching
8 4.3%
Didn't stop worms
8 4.3%
Diarrhea
8 4.3%
Seizures
8 4.3%
Tremors
6 3.2%
Behaviour change
6 3.2%
Ear infection
5 2.7%

All reports for Milbemycin Oxime + Spinosad in dogs