After enrollment and completion of study period 1 (treatment D, 50 mg [10 mL] of promethazine oral syrup), one subject was withdrawn from the study because of violation of study protocol.

At intervals of five to nine days, healthy volunteers were given two 12.5-mg promethazine rectal suppositories, one 25-mg suppository, one 50-mg suppository, or 50 mg (10 mL) of promethazine oral ...

Get detailed information on Promethazine, including pronunciation, uses, dosage guidelines, indications, and instructions on how and when to take it and when to avoid it. The updated prescription ...

Promethazine HCl 6.25mg, dextromethorphan HBr 15mg; per 5mL; liq; contains alcohol 7%. Dextromethorphan is an antitussive agent and, unlike the isomeric levorphanol, it has no analgesic or ...