Definition of scopolamine in US English:



  • A poisonous plant alkaloid used as an antiemetic in motion sickness, as a preoperative medication for examination of the eye, and formerly as a sedative and hypnotic.

    Chemical formula: C₁₇H₂₁NO₄. It is obtained chiefly from plants of the genus Scopolia, family Solanaceae

    • ‘In all preceding studies, alkaloid production was measured as scopolamine and hyoscyamine only.’
    • ‘Further searches revealed a paper confirming the presence of scopolamine in this plant.’
    • ‘Several studies have demonstrated the effectiveness of glycopyrrolate and scopolamine in the treatment of sialorrhea.’
    • ‘What do aspirin, codeine, ipecac, reserpine, scopolamine, theophylline, and vinblastine have in common?’
    • ‘Causative medications are droperidol, diphenhydramine, meperidine, promethazine, atropine, and scopolamine.’


Late 19th century: from Scopolia (genus name of the plants yielding it) + amine.