These convenient liquid capsules provide up to 8 hours of cough relief with dextromethorphan. Perfect for on-the-go relief, adults and kids 12+ can take 2 capsules every 6-8 hours. These alcohol and sucrose free Robitussin DM CoughGels provide Liquid-Fast relief to relieve your dry cough. Get fast, effective, cough relief, for up to 8 hours. Robitussin shuts coughs down. Formulated for adults and children 12 years or older, take 2 CoughGels every 6-8 hours or as directed by a doctor. Maximum 4 doses per day. This new packaging is 100% recyclable and includes one 20 count bottle of Robitussin DM CoughGels to relieve coughs for up to 8 hours per dose. Get tough on your cough and cold today with Robitussin. Cough, Cold & Flu Relief for the whole Family.