Origin: Greek suffix -itis
Chronic bronchitis has 2 different meanings across 1 category:
a form of bronchitis characterized by excess production of sputum leading to a chronic cough and obstruction of air flow
One of the two entities making up chronic obstructive pulmonary disease (COPD), defined as having a productive cough for three months in each of two successive years in a patient in whom other causes of chronic cough have been excluded.