GNP Tussin DM Clear Liquid 4 oz Sale! from 795 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Ingredients: cough suppressant (dextromethorphan HBr) expectorant (guaifenesin) For Cough & Chest Congestion Alcohol Free Qty available:23 Tweet