Long-term bronchitis describes a group of indicators (including airway inflammation, over-production of phlegm, and cough), which can have various brings about and are the result of repeated injury or irritation to the lungs. ·    Chronic bronchitis is not infectious if the cause is due to: o    smoking, o    air pollution, or o    other inhaled irritants. ·    Chronic bronchitis is contagious if the cause is viral or infection. How Long is Bronchitis Catching For? Bronchitis is a result of swelling of the medium sized airways by simply pathogens. Another cause of bronchitis is inhaling dangerous gases and smoking. Bronchitis caused by […]