Drink plenty of fluids
Use a saline nasal spray
Try a saline nasal rinse
Use a humidifier
Avoid smoke, dust, and strong odors
Sleep with your head elevated
Use an over-the-counter antihistamine if allergies are the cause
Use an over-the-counter decongestant if appropriate
Treat acid reflux if it is contributing
Avoid dairy if it seems to worsen symptoms
Stay away from known allergens
See a doctor if symptoms are severe, persistent, or accompanied by fever, facial pain, or trouble breathing