Ivermectin + Pyrantel (Heartgard Plus) side effects in Alaskan Malamutes

137 FDA reports involve Ivermectin + Pyrantel in a Alaskan Malamute. These are the problems they describe.

Didn't prevent heartworm
58 42%
Didn't stop worms
32 23%
Didn't work as expected
20 15%
Digestive tract disorder
17 12%
Diarrhea
16 12%
Vomiting
14 10%
Cardiac disorder
12 8.8%
Lethargy
12 8.8%
Underdose
7 5.1%
Loss of appetite
7 5.1%
Weight gain
5 3.6%
Behaviour change
5 3.6%

All reports for Ivermectin + Pyrantel in dogs