ATC Group: A03BA03 Hyoscyamine

Anatomical Therapeutic Chemical Classification System

Hierarchical position in ATC classification

Level
Code
Title
1
Alimentary tract and metabolism
2
Drugs for functional gastrointestinal disorders
3
BELLADONNA AND DERIVATIVES, PLAIN
4
Belladonna alkaloids, tertiary amines
5
A03BA03
Hyoscyamine

Active ingredients

Active Ingredient
Description

Hyoscyamine inhibits specifically the actions of acetylcholine on structures innervated by postganglionic cholinergic nerves and on smooth muscles that respond to acetylcholine but lack cholinergic innervation. Hyoscyamine inhibits gastrointestinal propulsive motility and decreases gastric acid secretion. It also controls excessive pharyngeal, tracheal and bronchial secretions.

Medicines in this ATC group

Drug
Countries

Hong Kong