Delsym® for Adults Delsym® provides 12 hour cough relief and multi-symptom treatment for all types of coughs. Delsym® has a full line of medicine that will tackle your cough, cold or chest congestion symptoms helping you to feel better. Delsym® 12 Hour Orange Cough Syrup Delsym® 12 Hour Grape Cough Syrup Delsym® Cough and Chest Suppressants DM Delsym® Nighttime Cough Medicine Delsym® Day and Night Cough Medicine