Ivermectin (Heartgard) side effects in German Shepherd Dogs

426 FDA reports involve Ivermectin in a German Shepherd Dog. These are the problems they describe.

Didn't prevent heartworm
206 48%
Vomiting
64 15%
Wobbliness (ataxia)
44 10%
Lethargy
42 9.9%
Death
27 6.3%
Loss of appetite
26 6.1%
Didn't work as expected
24 5.6%
Eye or vision problems
20 4.7%
Tremors
19 4.5%
Drooling
17 4.0%
Diarrhea
17 4.0%
Seizures
16 3.8%

All reports for Ivermectin in dogs