Drink plenty of water
Sip warm fluids
Gargle with salt water
Use steam inhalation
Try a humidifier
Avoid smoking and secondhand smoke
Limit dairy if it worsens mucus
Avoid alcohol and caffeine if they dry you out
Clear your throat gently
Cough up mucus instead of swallowing it
Use honey if appropriate
Try over-the-counter expectorants
Treat allergies if they are the cause
Manage acid reflux if present
Rest your voice
See a doctor if it lasts more than a few weeks
Seek medical care if you have fever, trouble breathing, chest pain, or blood in mucus