Afrin Nasal Spray Pump Mist Temporarily relieves nasal congestion due to: common cold, hay fever, upper respiratory allergies, sinusitis. Shrinks swollen nasal membranes so you can breathe more freely.Adults and children 6-12 years of age (with adult supervision): 2 or 3 sprays in each nostril not more often than every 10 to 12 hours. Do not exceed 2 doses in any 24 hour period. Children under 6 years of age: Consult a doctor.