Ivermectin + Pyrantel (Heartgard Plus) side effects in Cocker American Spaniels

1,007 FDA reports involve Ivermectin + Pyrantel in a Cocker American Spaniel. These are the problems they describe.

Didn't stop worms
281 28%
Didn't prevent heartworm
268 27%
Didn't work as expected
189 19%
Vomiting
154 15%
Digestive tract disorder
145 14%
Diarrhea
97 9.6%
Lethargy
68 6.8%
Cardiac disorder
54 5.4%
Seizures
47 4.7%
Loss of appetite
41 4.1%
Tremors
33 3.3%
Death
22 2.2%

All reports for Ivermectin + Pyrantel in dogs