Dextromethorphan Hbr 20 mg Guaifenesin 400 mg (Mucus Relief Dm Maximum Strength Liquid 1)
This is a comparison of the active ingredients in Mucinex Fast-Max DM Max, OM Max, and Maximum SlmTh. All three products contain dextromethorphan HBr and guaifenesin; they relieve chest congestion, cough, and thin and loosen mucus. This product is intended for people ages 12 and over and comes with a 4-hour dosing schedule. Not available.*