| umls-concept:C0023992 | skos:definition | MSH: One of the long-acting synthetic ANTIDIARRHEALS; it is not significantly absorbed from the gut, and has no effect on the adrenergic system or central nervous system, but may antagonize histamine and interfere with acetylcholine release locally.,NCI: A synthetic agent chemically related to the opiates with anti-diarrheal properties. Loperamide decreases gastro-intestinal motility by effects on the circular and longitudinal muscles of the intestine. Part of its anti-diarrheal effect may be due to a reduction of gastro-intestinal secretion produced by opioid receptor binding in the intestinal mucosa. (NCI04) | lld:umls |
