Chronic bronchitis is an inflammation of the main airways in the lungs that continues for a long period or keeps coming back.

Bronchitis - chronic

Cigarette smoking is the main cause of chronic bronchitis. The more a person smokes, the more likely it becomes that the person will get bronchitis and that the bronchitis will be severe.

Secondhand smoke may also cause chronic bronchitis. Air pollution, infection, and allergies make chronic bronchitis worse.

Chronic bronchitis is one form of chronic obstructive pulmonary (lung) disease. Chronic bronchitis, emphysema, and asthma as a group are a leading cause of death in the United States.

Images

Bronchitis and Normal Condition in Tertiary Bronchus

Bronchitis

Lung anatomy

Lungs

Respiratory system

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Chronic bronchitis Symptoms

Review Date: 08/07/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.

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