Ivermectin + Pyrantel (Heartgard Plus) side effects in Schnauzers

704 FDA reports involve Ivermectin + Pyrantel in a Schnauzer. These are the problems they describe.

Didn't stop worms
245 35%
Vomiting
140 20%
Didn't work as expected
125 18%
Didn't prevent heartworm
120 17%
Lethargy
62 8.8%
Digestive tract disorder
48 6.8%
Diarrhea
47 6.7%
Loss of appetite
38 5.4%
Seizures
27 3.8%
Itching
17 2.4%
Tremors
16 2.3%
Liver problems
16 2.3%

All reports for Ivermectin + Pyrantel in dogs