Ivermectin + Pyrantel (Heartgard Plus) side effects in West Highland White Terriers

539 FDA reports involve Ivermectin + Pyrantel in a West Highland White Terrier. These are the problems they describe.

Vomiting
150 28%
Didn't stop worms
129 24%
Didn't work as expected
120 22%
Didn't prevent heartworm
85 16%
Digestive tract disorder
80 15%
Diarrhea
58 11%
Lethargy
40 7.4%
Loss of appetite
34 6.3%
Cardiac disorder
22 4.1%
Tremors
17 3.2%
Death
17 3.2%
Abnormal radiograph finding
15 2.8%

All reports for Ivermectin + Pyrantel in dogs