Hyoscyamine Sulfate Extended-Release Tablets

Dosage form: tablet, extended-release
Drug class:Anticholinergics / antispasmodics

Medically reviewed by Drugs.com. Last updated on Jan 1, 2022.

Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. Read further information about unapproved drugs.

Hyoscyamine Sulfate Extended-Release Tablets Description

Hyoscyamine Sulfate Extended-Release Tablets contain 0.375 mg hyoscyamine sulfate in a formulation designed for oral b.i.d. dosage.

Hyoscyamine sulfate is one of the principal anticholinergic/antispasmodic components of belladonna alkaloids. The empirical formula is (C17H23NO3)2•H2SO4•2H2O and the molecular weight is 712.85. Chemically, it is benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo [3.2.1] oct-3-yl ester, [3(S)-endo]-, sulfate (2:1), dihydrate with the following structure:

Each tablet also c...