Blow your nose gently
Use saline nasal spray
Rinse with a saline nasal rinse
Inhale steam from a warm shower
Use a humidifier
Drink plenty of fluids
Sleep with your head elevated
Apply a warm compress to your nose and face
Try an over-the-counter decongestant if appropriate
Use an over-the-counter antihistamine if allergies are the cause
Avoid smoke, dust, and strong odors
Rest as much as possible