Blow your nose gently
Use saline nasal spray
Try a saline rinse
Stay hydrated
Use a humidifier
Avoid smoke, dust, and strong odors
Take an over-the-counter antihistamine if allergies are the cause
Take an over-the-counter decongestant if appropriate for you
Rest
Keep your head elevated
Use a warm compress over your nose and sinuses
See a doctor if it lasts more than 10 days
See a doctor if you have fever, severe pain, trouble breathing, or thick colored mucus