The presence of a productive, chronic cough lasting at least 3 months out of the year for 2 consecutive years leads to the diagnosis of chronic bronchitis.
Read more:
Complete Guide to Chronic Bronchitis
Symptoms of Chronic Bronchitis
By Deborah Leader, RN, About.com
Updated June 16, 2009
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
The presence of a productive, chronic cough lasting at least 3 months out of the year for 2 consecutive years leads to the diagnosis of chronic bronchitis.
Read more:
Complete Guide to Chronic Bronchitis
Symptoms of Chronic Bronchitis
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