Ingredients for Robitussin Adult Maximum Strength Daytime and Nighttime Twin Pack, 2-4 OZ Bottles

See the full list of product ingredients on the product label. Active Ingredients: Robitussin Maximum Strength Cough + Chest Congestion DM: (In each 20mL) Dextromethorphan HBr, USP 20mg Cough suppressant - Guaifenesin, USP 400mg Expectorant. Robitussin Maximum Strength Cough + Chest Congestion DM: (In each 20mL) Dextromethorphan HBr, USP 30mg Cough suppressant Doxylamine Succinate, USP 12.5mg Antihistamine.

Inactive Ingredients: Robitussin Maximum Strength Cough + Chest Congestion DM anhydrous citric acid, carboxymethylcellulose sodium, FD&C blue no. 1, FD&C red no. 40, glycerin, liquid glucose, menthol, natural and artificial flavors, polyethylene glycol, propylene glycol, purified water, sodium benzoate, sodium citrate, sucralose, triacethin, xanthan gum. Robitussin Maximum Strength Nighttime Cough + Chest Congestion DM anhydrous citric acid, carboxymethylcellulose sodium, FD&C blue no.1, FD&C red no. 40, glycerin, liquid glucose, menthol, natural and artificial flavors, polyethylene glycol, propylene glycol, purified water, sodium benzoate, sodium citrate, sucralose, triacetin, xanthan gum.