The most important step to decrease the comorbidities<unk>  to<unk>  is smoking cessation. For those who have occupational exposure to dusts or aerosols, transfer to a safer environment is helpful.
Bronchitis secondary prevention
Bronchitis primary prevention
Bronchiolitis primary prevention
Bronchiectasis primary prevention
Chronic bronchitis primary prevention
Chronic bronchitis secondary prevention
Acute bronchitis secondary prevention
Tracheitis primary prevention