Ivermectin + Pyrantel (Heartgard Plus) side effects in Flat-coated Retrievers

82 FDA reports involve Ivermectin + Pyrantel in a Flat-coated Retriever. These are the problems they describe.

Didn't work as expected
31 38%
Didn't prevent heartworm
24 29%
Didn't stop worms
19 23%
Digestive tract disorder
17 21%
Vomiting
8 9.8%
Cardiac disorder
6 7.3%
Drug dose administration interval too long
2 2.4%
Underdose
2 2.4%
Didn't stop ticks
2 2.4%
No sign
2 2.4%
Diarrhea
2 2.4%
Lethargy
2 2.4%

All reports for Ivermectin + Pyrantel in dogs