Ivermectin + Pyrantel (Heartgard Plus) side effects in English Setters

318 FDA reports involve Ivermectin + Pyrantel in a English Setter. These are the problems they describe.

Didn't prevent heartworm
132 42%
Didn't stop worms
88 28%
Didn't work as expected
67 21%
Digestive tract disorder
44 14%
Cardiac disorder
32 10%
Vomiting
18 5.7%
Diarrhea
16 5.0%
Lethargy
13 4.1%
Overdose
12 3.8%
Death
9 2.8%
Loss of appetite
8 2.5%
Tremors
6 1.9%

All reports for Ivermectin + Pyrantel in dogs