Ivermectin (Heartgard) side effects in Shih Tzus

248 FDA reports involve Ivermectin in a Shih Tzu. These are the problems they describe.

Vomiting
94 38%
Lethargy
37 15%
Wobbliness (ataxia)
31 13%
Eye or vision problems
28 11%
Tremors
25 10%
Loss of appetite
22 8.9%
Seizures
19 7.7%
Itching
17 6.9%
Didn't prevent heartworm
17 6.9%
Diarrhea
16 6.5%
Didn't stop fleas
15 6.0%
Death
13 5.2%

All reports for Ivermectin in dogs