Deodorized Tincture of Opium

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An opium tincture with antidiarrheal activity. The opiate morphine, in deodorized tincture of opium, increases the tone of the smooth muscle in the intestines. It stops the normal movement and slows down the passage of intestinal contents. This allows water to be absorbed from the liquid stool thereby decreasing diarrhea.

**Synonyms:** - DTO