Ivermectin (Heartgard) side effects in Great Pyreneess

47 FDA reports involve Ivermectin in a Great Pyrenees. These are the problems they describe.

Vomiting
17 36%
Didn't prevent heartworm
16 34%
Didn't work as expected
5 11%
Lethargy
5 11%
Weight gain
3 6.4%
Itching
3 6.4%
Behaviour change
3 6.4%
Loss of appetite
3 6.4%
Increased salivation
2 4.3%
Skin rash or irritation
2 4.3%
Breathing problems
2 4.3%
Recumbency
2 4.3%

All reports for Ivermectin in dogs