Stay well hydrated
Use a saline nasal spray or rinse
Run a humidifier
Avoid allergens and irritants
Treat allergies with appropriate medication
Use an over-the-counter decongestant if suitable
Manage acid reflux if present
Gargle with warm salt water
Elevate your head while sleeping
Avoid smoking and secondhand smoke
Blow your nose gently
See a doctor if symptoms persist or worsen