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

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

Didn't work as expected

10 28%

8 22%

Didn't stop worms

7 19%

Digestive tract disorder

6 17%

6 17%

5 14%

Didn't prevent heartworm

4 11%

Pale mucous membrane

3 8.3%

3 8.3%

Warm feeling to the touch

2 5.6%

2 5.6%

1 2.8%

All reports for Ivermectin + Pyrantel in dogs