Compare to Robitussin Maximum Strength Cough + Chest Congestion DM active ingredients. Tussin relieves chest congestion, controls cough and thins and loosens mucus. The cough suppressant (Dextromethorphan HBr) and expectorant (Guaifenesin) combine to produce powerful cough and congestion relief. This liquid cough medicine provides non-drowsy, daytime relief from cough and mucus. For adults ages 12 and over.
