SPL Set ID: fdf1f194-2e18-403c-be28-7dd58739ead7

Hyoscyamine Sulfate Sublingual Tablets contain 0.125 mg hyoscyamine sulfate formulated for sublingual administration. However, the tablets may be chewed or taken orally. Hyoscyamine sulfate is one of the principal anticholinergic/antispasmodic components of belladonna alkaloids. The empirical formula is (C 17 H 23 NO 3 ) 2 •H 2 SO 4 •2H 2 O 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 contains as inactive ingredients: colloidal silicon dioxide, crospovidone, magnesium stearate, mannitol, sorbitol and flavor. Structure