Ivermectin + Pyrantel (Heartgard Plus) side effects in Welsh Terriers

54 FDA reports involve Ivermectin + Pyrantel in a Welsh Terrier. These are the problems they describe.

Didn't work as expected
13 24%
Digestive tract disorder
13 24%
Didn't stop worms
13 24%
Vomiting
10 19%
Lethargy
10 19%
Diarrhea
9 17%
Seizures
7 13%
Tremors
5 9.3%
Loss of appetite
5 9.3%
Didn't prevent heartworm
3 5.6%
Weight loss
3 5.6%
Wobbliness (ataxia)
3 5.6%

All reports for Ivermectin + Pyrantel in dogs