temporarily relieves nasal congestion due to: common cold; hay fever; upper respiratory allergies. temporarily relieves sinus congestion and pressure. shrinks swollen nasal membranes so you can breathe more freely. Afrin Allergy Sinus reduces swelling in nasal passages caused by allergies. It provides fast powerful nasal congestion relief for 12 hours without drowsiness, so you can breathe more freely all day or all night.
