Ivermectin + Pyrantel (Heartgard Plus) side effects in Dog (other)s

1,133 FDA reports involve Ivermectin + Pyrantel in a Dog (other). These are the problems they describe.

Didn't prevent heartworm
344 30%
Vomiting
284 25%
Lethargy
137 12%
Didn't stop worms
123 11%
Didn't work as expected
118 10%
Diarrhea
97 8.6%
Loss of appetite
58 5.1%
Digestive tract disorder
55 4.9%
Cardiac disorder
51 4.5%
Seizures
46 4.1%
Itching
41 3.6%
Behaviour change
31 2.7%

All reports for Ivermectin + Pyrantel in dogs