Chronic Bronchitis

The disease chronic bronchitis is defined in clinical terms as a condition
in which a chronic productive cough is present at least three months per year for
at least two consecutive years (Egans p. 140). The definition also includes there
is no other known cause for the cough. Chronic bronchitis can occur without
airflow obstruction. However, signs and symptoms usually only become
significant when there is an obstruction.
Chronic bronchitis is more prevalent among heavy smokers.
The most common sign of chronic bronchitis would be the chronic phlegm
producing cough. …