Wash your hands regularly
Avoid touching your face
Stay away from people with colds or respiratory infections
Keep your nasal passages moist with saline spray or rinse
Use a humidifier to prevent dry air
Drink plenty of fluids
Manage allergies promptly
Avoid smoking and secondhand smoke
Reduce exposure to dust, pollen, and other irritants
Treat colds and sinus congestion early
Get enough sleep
Support your immune system with a healthy diet
Clean and replace air filters regularly
Practice good hygiene with contact lenses and makeup
Seek treatment for chronic nasal or sinus problems