Ivermectin + Pyrantel (Heartgard Plus) side effects in Brussels Griffons

66 FDA reports involve Ivermectin + Pyrantel in a Brussels Griffon. These are the problems they describe.

Didn't work as expected
19 29%
Vomiting
17 26%
Didn't stop worms
15 23%
Digestive tract disorder
9 14%
Didn't prevent heartworm
8 12%
Loose stool
7 11%
Diarrhea
5 7.6%
Loss of appetite
4 6.1%
Lethargy
3 4.5%
Wobbliness (ataxia)
2 3.0%
Death
2 3.0%
Mast cell tumour
1 1.5%

All reports for Ivermectin + Pyrantel in dogs