• CVS Health Sugar Free Tussin Cough Adult Cough & Chest Congestion Liquid • Diabetic Tussin Maximum Strength Cough & Chest Congestion DM, 4OZ • Scot-Tussin DM Maximum Strength Cough Suppressant & Cold Relief Liquid for Diabetics These are just a few of the options that CVS Health has to offer you when it comes to choosing the right medicine to use. These products eliminate the excess amount of sugar that comes in regular cough medicines.