Definition of promethazine in English:

promethazine

noun

Medicine
  • [mass noun] A synthetic antihistamine drug derived from phenothiazine, used chiefly to treat the symptoms of allergies and motion sickness.

    • ‘Several antiemetics, such as metoclopramide, chlorpromazine, prochlorperazine, and promethazine, are regarded as safe for use during pregnancy.’
    • ‘Causative medications are droperidol, diphenhydramine, meperidine, promethazine, atropine, and scopolamine.’
    • ‘Lytic cocktail is a term used loosely to describe a fixed combination of meperidine, promethazine, and chlorpromazine intended typically for intramuscular use.’
    • ‘Metoclopramide, droperidol, prochlorperazine, and promethazine are commonly chosen rescue antiemetics.’
    • ‘He was treated with promethazine and amoxicillin, and discharged.’

Origin

1950s: from pro(pyl) + ( di)meth(ylamine), a colourless gas + ( phenothi)azine.

Pronunciation:

promethazine

/prə(ʊ)ˈmɛθəziːn/