loperamide

Etymology
From.

Noun

 * 1)  A synthetic antidiarrheal agent of the opiate class (trademark Imodium) that slows intestinal peristalsis and is taken orally in the form of its hydrochloride C29H33ClN2O2·HCl to control acute nonspecific diarrhea or chronic diarrhea associated with  or to reduce fecal volume discharged from ileostomies.