what is cough syrup? What is cough syrup? This is a combination product is used for the temporary relief of cough, sneezing, or runny nose due to the common cold, hay fever or other upper respiratory allergies. This product contains a non-opioid cough suppressant (such as chlophedianol, dextromethorphan). It affects a certain part of the brain (cough center) to help you stop coughing. This product also contains an antihistamine (such […]