Chemical formula: C₁₇H₂₃NO₃ Molecular mass: 289.369 g/mol PubChem compound: 154417
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.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| A03BA03 | Hyoscyamine | A Alimentary tract and metabolism → A03 Drugs for functional gastrointestinal disorders → A03B BELLADONNA AND DERIVATIVES, PLAIN → A03BA Belladonna alkaloids, tertiary amines |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| HYOSCYAMINE SULFATE Extended-release tablet | FDA, National Drug Code (US) | MPI, US: SPL/Old | |
| HYOSCYAMINE SULFATE Solution for injection | FDA, National Drug Code (US) | MPI, US: SPL/Old |
Hyoscyamine is an active ingredient of these brands:
Brazil (BR)
Hong Kong (HK)
Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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