Chronic Bronchitis in COPD: Causes, Symptoms & Treatment Guide What is chronic Bronchitis❔(COPD)   Chronic obstructive pulmonary disease There are four types chronic obstructive pulmonary disease. 1-Emphysema 2-Bronchiectasis 3-Chronic bronchitis 4-Bronchial asthma    What is chronic Bronchitis❔   It is a disease characterized by chronic continuous cough with sputum production for atleast 3 month every