by M Howard, S Criss, A Dimiceli, E Finn, L Schuh, H Schneider
Howard M.D. User perception of Dextromethorphan. SelfCare 2010;1(2):60-69
Dextromethorphan is the most commonly used ingredient in U.S. over-the-counter (OTC) cough preparations. The present study examined dosing patterns and patients’ perception of effectiveness from an unbranded dextromethorphan product in the OTC setting…..