Moxidectin (ProHeart 6) side effects in Labrador Retrievers

4,779 FDA reports involve Moxidectin in a Labrador Retriever. These are the problems they describe.

Didn't prevent heartworm
2,093 44%
Didn't stop worms
812 17%
Vomiting
715 15%
Swelling
520 11%
Allergic reaction
516 11%
Lethargy
416 8.7%
Didn't work as expected
305 6.4%
Diarrhea
244 5.1%
Loss of appetite
219 4.6%
Seizures
186 3.9%
Itching
182 3.8%
Medication error
170 3.6%

All reports for Moxidectin in dogs