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Hyoscyamine (A-Spas)

Also known as Gastrinex, Donnatal, Antispas, Atrohist Plus, Atrosept, Barbidonna, Barophen, Bellalphen, Bellatal, and Chardonna-2


Hyoscyamine (also known as daturine) is a tropane alkaloid. It is a secondary metabolite found in certain plants of the Solanaceae family, including henbane (Hyoscyamus niger), mandrake (Mandragora officinarum), jimsonweed (Datura stramonium), tomato (Solanum lycopersicum) and deadly nightshade (Atropa belladonna). It is the levorotary isomer of atropine (third of the three major nightshade alkaloids) and thus sometimes known as levo-atropine. Hyoscyamine should not be confused with hyoscine, an older alternate name for the related nightshade-derived anticholinergic scopolamine for which it is the precursor.

Source: Wikipedia

Estimated Total Cost: $53.42 for an average of 21 days supply

What is it prescribed for?

Patients are most commonly prescribed hyoscyamine to treat sharp abdominal pain, diarrhea, irritable bowel syndrome, and noninfectious gastroenteritis.

What drug interactions are known?

Do not take hyoscyamine if you are taking any of the following:

Critical Interactions

Significant Interactions

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