English edit

 
Chemical structure of promethazine

Etymology edit

From pro(p)- +‎ meth- +‎ (phenothi)azine.

Pronunciation edit

Noun edit

promethazine (uncountable)

  1. (pharmacology) A first-generation H1 receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.
    Synonym: (brand name) Phenergan

Translations edit

Further reading edit