What is tuscosed ef syrup for?

This combination medication is used to temporarily relieve cough, runny nose, sneezing, itching of the nose/throat, and watery eyes caused by allergies, the common cold, or flu.

Phenylephrine is a decongestant (sympathomimetic) that works by narrowing the blood vessels in the nasal passages. This reduces swelling and congestion in the nose. Chlorpheniramine is an antihistamine that works by blocking the effects of a certain natural substance (histamine) that your body makes during an allergic reaction. Dextromethorphan is a cough suppressant (antitussive) that affects a certain part of the brain (cough center) to reduce the urge to cough.