Chlamydia pneumoniae

Adults	Children
Doxycycline, 100 mg 2 × a day for 14–21 d	Erythromycin suspension, 50 mg/kg/d for 10–14 d
Tetracycline, 250 mg 4 × a day for 14–21 d	Clarithromycin suspension, 15 mg/kg/d for 10 d
Azithromycin, 1.5 g over a period of 5 d	Azithromycin suspension, 10 mg/kg on day 1 followed by 5 mg/kg/d once daily on days 2 to 5
Levofloxacin, 500 mg/d orally or intravenously for 7–14 d
Moxifloxacin, 400 mg/d orally for 10 d