Chronic bronchitis is one type of [[COPD]] (chronic obstructive pulmonary disease). The inflamed bronchi produce a lot of mucus. This leads to cough and difficulty getting air in and out of the lungs. [[Cigarette|Cigarette smoking]] is the most common cause.<ref>[http://www.mayoclinic.com/health/bronchitis/DS00031/DSECTION=causes Mayo Clinic, Bronchitis: Causes]</ref> [[Breathing]] in other fumes and dusts over a long period of time may also cause chronic bronchitis. Treatment will help alleviate symptoms, but chronic bronchitis is a long-term condition that keeps coming back or never goes away completely.<ref>[http://www.nlm.nih.gov/medlineplus/bronchitis.html MedlindePlus, Chronic Bronchitis]</ref> | Chronic bronchitis is one type of [[COPD]] (chronic obstructive pulmonary disease). The inflamed bronchi produce a lot of mucus. This leads to cough and difficulty getting air in and out of the lungs. [[Cigarette|Cigarette smoking]] is the most common cause.<ref>[http://www.mayoclinic.com/health/bronchitis/DS00031/DSECTION=causes Mayo Clinic, Bronchitis: Causes]</ref> [[Breathing]] in other fumes and dusts over a long period of time may also cause chronic bronchitis. Treatment will help alleviate symptoms, but chronic bronchitis is a long-term condition that keeps coming back or never goes away completely.<ref>[http://www.nlm.nih.gov/medlineplus/bronchitis.html MedlindePlus, Chronic Bronchitis]</ref> |