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Pronunciation: hi'o-si'a-men

Definition: An alkaloid found in hyoscyamus, belladonna, Duboisia, and stramonium; the levorotatory component of the racemic mixture atropine; used as an antispasmodic, analgesic, and sedative; hyoscyamine hydrobromide is used for the same purposes.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.