Robitussin Cough & Chest Congestion Relief DM. Liquid Honey Flavor, 4 fl oz. Sale! from 895 1343 /per Qty. Sold Out This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Temporarily relieves cough and runny nose for up to 8 hours. Long-acting cough suppressant helps reduce the urge to cough to help kids feel better longer Made with real honey. Recommended for ages 4+ Qty available:0 Tweet