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Ivermectin + Pyrantel (Heartgard Plus) side effects in Chesapeake Bay Retrievers

371 FDA reports involve Ivermectin + Pyrantel in a Chesapeake Bay Retriever. These are the problems they describe.

Didn't prevent heartworm

233 63%

Didn't work as expected

71 19%

Didn't stop worms

63 17%

Cardiac disorder

35 9.4%

Digestive tract disorder

26 7.0%

13 3.5%

10 2.7%

9 2.4%

Wobbliness (ataxia)

5 1.3%

5 1.3%

3 0.8%

3 0.8%

All reports for Ivermectin + Pyrantel in dogs