Ivermectin (Heartgard) side effects in Chihuahuas

301 FDA reports involve Ivermectin in a Chihuahua. These are the problems they describe.

Vomiting
103 34%
Lethargy
52 17%
Wobbliness (ataxia)
44 15%
Didn't prevent heartworm
42 14%
Tremors
39 13%
Eye or vision problems
38 13%
Loss of appetite
27 9.0%
Accidental exposure
22 7.3%
Seizures
21 7.0%
Liver problems
19 6.3%
Didn't stop fleas
18 6.0%
Diarrhea
16 5.3%

All reports for Ivermectin in dogs