Ivermectin + Pyrantel (Heartgard Plus) side effects in Weimaraners

626 FDA reports involve Ivermectin + Pyrantel in a Weimaraner. These are the problems they describe.

Didn't prevent heartworm
301 48%
Didn't stop worms
133 21%
Didn't work as expected
128 20%
Digestive tract disorder
87 14%
Cardiac disorder
59 9.4%
Vomiting
53 8.5%
Diarrhea
29 4.6%
Lethargy
22 3.5%
Loss of appetite
15 2.4%
Death
15 2.4%
Seizures
13 2.1%
Allergic reaction
10 1.6%

All reports for Ivermectin + Pyrantel in dogs