Get fast, effective relief from your worst cold symptoms with Robitussin Maximum Strength Cough + Chest Congestion DM. This non-drowsy cough medicine not only works to control your cough, but it also thins and loosens mucus to help make your coughs more productive. The strong, soothing action of max-strength Robitussin Cough Syrup comes in a great raspberry flavor — also available in liquid-filled capsules.