promethazine(redirected from Promethegan)
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a phenothiazine derivative having marked antihistaminic activity as well as sedative and antiemetic actions; used to provide bedtime, surgical, and obstetrical sedation, to treat allergic conditions including rhinitis, conjunctivitis, and itching, to manage nausea, vomiting, and vertigo associated with surgery, pregnancy, or motion sickness, and as an ingredient in cough and cold preparations; administered orally, rectally, intramuscularly, and intravenously as the hydrochloride salt.
promethazine/pro·meth·a·zine/ (-meth´ah-zēn) a phenothiazine derivative, used in the form of the hydrochloride salt as an antihistaminic, antiemetic, antivertigo agent, and sedative, and in the prevention and treatment of motion sickness.
promethazineAn ANTIHISTAMINE drug used to relieve itching, to control motion sickness and as a sedative. The drug is on the WHO official list. A brand name is Phenergan.
a phenothiazine derivative used as an antihistaminic, antiemetic and tranquilizer in the form of the hydrochloride salt.