Robitussin knows it’s never just a cough — when you’re coughing, you may be sick. Robitussin Adult Cough + Chest Congestion DM works to control and relieve frequent coughing and thin mucus to relieve chest congestion. Reach for non-drowsy Robitussin Cough + Congestion DM with a tough cough suppressant and an effective expectorant. Robitussin Cough + Congestion is formulated for adults and children ages 12 and over – review all labeled directions and warnings prior to use. Robitussin cough and congestion liquid cough medicine also comes in sugar-free and max-strength formulas.