Ivermectin (Heartgard) side effects in Golden Retrievers

279 FDA reports involve Ivermectin in a Golden Retriever. These are the problems they describe.

Vomiting
81 29%
Didn't prevent heartworm
74 27%
Lethargy
28 10%
Diarrhea
22 7.9%
Didn't work as expected
21 7.5%
Loss of appetite
21 7.5%
Wobbliness (ataxia)
17 6.1%
Seizures
16 5.7%
Liver problems
14 5.0%
Didn't stop worms
13 4.7%
Tremors
12 4.3%
Eye or vision problems
12 4.3%

All reports for Ivermectin in dogs