Robitussin Honey Cough + Chest Congestion DM has been a staple in my medicine cabinet for the last several years. This cough ...
It acts centrally and elevates the threshold for coughing. It is about equal to codeine in depressing the cough reflex. In therapeutic dosage dextromethorphan does not inhibit ciliary activity.
On Medindia find the complete list of Expectorant And Cough Products drugs with ... Promethazine/Codeine 6.25mg+10mg/5ml Syrup Y55.4 Promethazine/DM 6.25mg+15mg/5ml Syrup Y55.4 Promethazine ...