Drink plenty of water
Sip warm liquids like tea or broth
Gargle with warm salt water
Use a humidifier or inhale steam
Avoid smoking and secondhand smoke
Limit dairy if it seems to worsen mucus
Avoid alcohol and caffeine if they dry you out
Try saline nasal rinses
Sleep with your head elevated
Clear your throat gently, not forcefully
Use lozenges or hard candy to stimulate saliva
Treat allergies with appropriate medication
Treat acid reflux if it is causing mucus
Avoid irritants like dust, strong perfumes, and pollution
See a doctor if it lasts more than a few weeks or comes with fever, trouble breathing, chest pain, or blood