what were your symptoms? and on what findings were you diagnosed as having severe bronchitis
.?Was there anything on your blood work, chest X-ray, sputum C/S.If the diagnosis of severe bronchitis is correct then the dose of azithromycin
you have taken should be enough. acute bronchitis is usually viral related and only in small number of people bacteria is the cause.There is no need for second coarse at the moment. however if you still are having symptoms even after 2 weeks time you should revisit the nearest doctor for an alternate diagnosis.