Drink plenty of water
Use warm fluids like tea or broth
Inhale steam
Use a humidifier
Gargle with warm salt water
Blow your nose gently
Use saline nasal spray or rinse
Elevate your head while sleeping
Avoid smoke, dust, and strong odors
Rest enough
Consider an over-the-counter expectorant if appropriate
Seek medical care if mucus is thick, bloody, persistent, or accompanied by trouble breathing, chest pain, or high fever