What’s the Difference between Acute and Chronis Bronchitis? When we hear people say they have bronchitis we might assume there is only one type, but did you know that there are two types of bronchitis—not one? The bronchial tubes carry air to and from the lungs and bronchitis is an inflammation of their lining. Bronchitis can take two forms, acute and chronic. The two forms are contracted differently, and they are treated by ...