Phenergan Syrup: Uses, Dosage, Side Effects, Precautions and Alternates

Phenergan Syrup

Generic namePromethazine Hydrochloride
Drug classAntihistamine (Phenothiazine antiemetic)
FormsSyrup, Tablet, Elixir, Injection, Suppository

Phenergan Syrup contains promethazine hydrochloride, a first-generation antihistamine. It is used to treat allergy symptoms, prevent motion sickness, control nausea and vomiting, and provide sedation.