Chronic Bronchitis | Causes & Risk Factors

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What causes chronic bronchitis?

Cigarette smoking is the main cause of chronic bronchitis. When tobacco smoke is inhaled into the lungs, it irritates the airways and they produce mucus. People who have been exposed for a long time to other things that irritate their lungs, such as chemical fumes, dust and other substances, can also develop chronic bronchitis.

Source

Chronic Bronchitis: Primary Care Management by JM Heath, MD; R Mongia, MD (American Family Physician May 15, 1998, http://www.aafp.org/afp/980515ap/heath.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 02/14
Created: 05/98

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