Ivermectin + Pyrantel (Heartgard Plus) side effects in Whippets

97 FDA reports involve Ivermectin + Pyrantel in a Whippet. These are the problems they describe.

Didn't stop worms
30 31%
Didn't work as expected
22 23%
Vomiting
21 22%
Didn't prevent heartworm
17 18%
Digestive tract disorder
11 11%
Diarrhea
11 11%
Lethargy
8 8.2%
Loss of appetite
7 7.2%
Loose stool
6 6.2%
Drug dose administration interval too long
3 3.1%
Overdose
3 3.1%
Tremors
3 3.1%

All reports for Ivermectin + Pyrantel in dogs