Milbemycin Oxime (Interceptor) side effects in Mastiffs

111 FDA reports involve Milbemycin Oxime in a Mastiff. These are the problems they describe.

Didn't prevent heartworm
52 47%
Didn't stop worms
24 22%
Didn't work as expected
15 14%
Lethargy
9 8.1%
Diarrhea
8 7.2%
Vomiting
8 7.2%
Loss of appetite
5 4.5%
Underdose
3 2.7%
Didn't stop fleas
3 2.7%
Breathing problems
3 2.7%
Seizures
3 2.7%
Death
3 2.7%

All reports for Milbemycin Oxime in dogs