Alosetron :
Alosetron is a serotonin 5-HT3 receptor antagonist drug.
Alosetron is used for cramps, diarrhea, pain, and irritable bowel syndrome (IBS), an urgent need to have a bowel movement. Alosetron is a 5-HT 3 receptor antagonist. Which treats by slowing down the movement of stool through the intestines.