Expectorant/nasal decongestant. Loosens & relieves chest congestion. Clears nasal stuffiness. Alcohol-free. Why are Robitussin Products chosen more often? Recommended by more doctors and pharmacists than any other cough formula. Reliable and effective formulas for the whole family. Non-drowsy and non-narcotic formulas. Robitussin - PE. Nasal Stuffiness & Chest Congestion with Dry Cough? Clears nasal passages to restore freer breathing through the nose; loosens and relieves chest congestion.