<prompt> Treatment of Chlamydia pneumonia isErythromycinCeftriaxonePenicillinSulphonamide  <response>: Although few controlled trials of treatment have been repoed, C. pneumoniae is inhibited in vitro by erythromycin, tetracycline, azithromycin, clarithromycin, gatifloxacin, and gemifloxacin. Recommended therapy consists of 2 gd of either tetracycline or erythromycin for 10-14 days.. Ref Harrison 19th edition pg 1147 