Ivermectin + Pyrantel (Heartgard Plus) side effects in Havaneses

514 FDA reports involve Ivermectin + Pyrantel in a Havanese. These are the problems they describe.

Vomiting
178 35%
Didn't stop worms
124 24%
Didn't work as expected
86 17%
Diarrhea
81 16%
Digestive tract disorder
61 12%
Lethargy
51 9.9%
Loss of appetite
32 6.2%
Itching
23 4.5%
Seizures
22 4.3%
Didn't prevent heartworm
21 4.1%
Loose stool
17 3.3%
Tremors
15 2.9%

All reports for Ivermectin + Pyrantel in dogs