When the inside layer of your bronchial tubes begin to swell, you are most likely to develop bronchitis. Once this happen, your air passageway will be filled with mucus or phlegm.
Bronchitis itself cannot be cured. What you need to do is treat the symptoms of bronchitis as well as alleviate the discomfort and pain which comes with the symptoms.
These days, there are suggested and prescribed medicines to combat bronchitis.