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. A breakthrough in nasal sprays. It stays where you spray it without messy dripping from your nose or down your throat. It starts to work in seconds providing 12 hours of nasal congestion relief without drowsiness. Maximum strength.