Fenbendazole side effects in Quarter Horses

50 FDA reports involve Fenbendazole in a Quarter Horse. These are the problems they describe.

Death
11 22%
Didn't work as expected
9 18%
Abdominal pain
9 18%
Loss of appetite
8 16%
Didn't stop worms
7 14%
Diarrhea
6 12%
Restlessness or agitation
3 6.0%
Behaviour change
3 6.0%
Weight loss
3 6.0%
Drooling
3 6.0%
Lethargy
3 6.0%
Colic
2 4.0%

All reports for Fenbendazole in horses