Promethazine Injection: Uses, Dosage, Side Effects, Precautions and Alternates

Promethazine Injection

Generic namepromethazine hydrochloride
Drug classPhenothiazine antihistamine
FormsInjection (given into a muscle or a vein)

Promethazine is a medicine given by injection into a muscle or a vein, usually in a hospital or clinic. It prevents and treats allergy symptoms, helps with sedation, and treats nausea, vomiting, and pain before or after procedures.