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Ivermectin + Pyrantel (Heartgard Plus) side effects in Labrador Retrievers

18,477 FDA reports involve Ivermectin + Pyrantel in a Labrador Retriever. These are the problems they describe.

Didn't prevent heartworm

10,312 56%

Didn't work as expected

3,689 20%

Didn't stop worms

3,452 19%

Cardiac disorder

2,012 11%

Digestive tract disorder

1,969 11%

1,279 6.9%

642 3.5%

481 2.6%

Loss of appetite

286 1.5%

240 1.3%

234 1.3%

194 1.0%

All reports for Ivermectin + Pyrantel in dogs