Promethazine 25mg Tabs 100's (benmed)

Available now: PROMETHAZINE 25MG TABS 100`S (BENMED). See our allergy selection for related options. Promethazine 25 mg Tablets contain a medicine called Promethazine hydrochloride. This is classified under a group of medicines called Phenothiazines. Its effect comes from blocking a natural substance (histamine) that your body makes during an allergic reaction. It also works directly on the brain to help you feel more relaxed.