Ivermectin (Heartgard) side effects in Weimaraners

50 FDA reports involve Ivermectin in a Weimaraner. These are the problems they describe.

Didn't prevent heartworm
18 36%
Vomiting
11 22%
Accidental exposure
6 12%
Wobbliness (ataxia)
6 12%
Eye or vision problems
5 10%
Ear infection
4 8.0%
Didn't stop worms
4 8.0%
Lethargy
4 8.0%
Skin lump
3 6.0%
Didn't work as expected
3 6.0%
Death
3 6.0%
Unable to rise
2 4.0%

All reports for Ivermectin in dogs