yes according to a webmd article (see link below) some people with bronchitis will develop pneumonia. <link> there are similarities between bronchitis and pneumonia in that both conditions affect the respiratory system. both conditions can also be caused by either viral or bacterial infection agents. but they are two distinct conditions as follows: bronchitis suffers experience inflammation of the lung’s passageways that restrict air being carried to the lungs. it usually responds well to antibiotic treatment. pneumonia is usually thought to be a much more serious condition. it can be defined as an infection of the lung tissues that blocks the (alveoli) air sacs of the lungs (sometimes with a pus-like exudate).
can bronchitis lead to walking pneumonia