Ivermectin (Heartgard) side effects in Spaniels

30 FDA reports involve Ivermectin in a Spaniel. These are the problems they describe.

Vomiting
7 23%
Didn't prevent heartworm
6 20%
Didn't work as expected
5 17%
Lethargy
4 13%
Breathing problems
3 10%
Seizures
3 10%
Falling
2 6.7%
Unable to stand
2 6.7%
Pale mucous membrane
2 6.7%
Pr-skin, lesion(s)
2 6.7%
Tremors
2 6.7%
Wobbliness (ataxia)
2 6.7%

All reports for Ivermectin in dogs