Search results for "promethazine"

Generic Phenergan belongs to a group of drugs called phenothiazines. It works by changing the actions of chemicals in your brain. Promethazine (the active ingredient) also acts as an antihistamine. It blocks the effects of the naturally occ

Phenergan is an antihistamine. The drug is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes.