Use a saline nasal spray or rinse
Inhale steam from a hot shower or bowl of warm water
Drink plenty of fluids
Use a humidifier or vaporizer
Sleep with your head elevated
Blow your nose gently
Apply a warm compress over your nose and forehead
Try an over-the-counter decongestant if safe for you
Use an antihistamine if allergies are causing the congestion
Avoid smoke, strong odors, and other irritants