Wash hands regularly
Avoid touching your face
Stay away from smoke and secondhand smoke
Avoid dust, pollen, and other irritants
Keep indoor air clean and well ventilated
Use a humidifier if air is dry
Drink enough water
Cover your mouth and nose in cold weather
Avoid close contact with sick people
Wear a mask in crowded or dusty places
Get enough sleep
Manage allergies and asthma
Avoid very cold drinks if they trigger coughing
Practice good hygiene after coughing or sneezing
See a doctor if the cough persists