hyoscyamine

noun

hy·​o·​scy·​a·​mine ˌhī-ə-ˈsī-ə-ˌmēn 

: a poisonous crystalline alkaloid C₁₇H₂₃NO₃ of which atropine is a racemic mixture

especially : its levorotatory form found especially in the plants belladonna and henbane and used similarly to atropine

Examples of hyoscyamine in a Sentence

Recent Examples on the Web

These drugs include hyoscyamine and dicyclomine. —Natalie Rizzo, SELF, 4 Feb. 2022

More recently, Huang and other researchers found the biosynthetic pathway of the drug hyoscyamine, another tropane alkaloid with psychoactive effects. —Joshua Rapp Learn, Discover Magazine, 27 Feb. 2023

There have been 34 alkaloids discovered in henbane, including scopolamine, hyoscyamine and atropine. —Allison Futterman, Discover Magazine, 16 Mar. 2022

In addition to the hyoscyamine, other medications used include: atropine eyedrops under the tongue; the antidepressant amitriptyline; and glycopyrrolate. —Dr. Keith Roach, oregonlive, 3 Dec. 2021

Indeed, while solitarious locusts avoid eating toxic plants, the gregarious locusts are actually attracted to the odor of hyoscyamine, a toxic alkaloid found in local plants. —Matt Simon, Wired, 5 Feb. 2020

Word History

Etymology

German Hyoscyamin, from New Latin Hyoscyamus, genus of herbs, from Latin, henbane, from Greek hyoskyamos, literally, swine's bean, from hyos (genitive of hys swine) + kyamos bean — more at sow

First Known Use

1858, in the meaning defined above

Medical Definition

hyoscyamine

noun

hyo·​scy·​a·​mine ˌhī-ə-ˈsī-ə-mēn 

: a poisonous crystalline alkaloid C₁₇H₂₃NO₃ of which atropine is a racemic mixture

especially : its levorotatory form found especially in the plants belladonna and henbane and used similarly to atropine