Chlamydia pneumoniae

Therapy Dose Duration
Doxycycline 200mg PO once, then 14 days
  100mg PO bid  
or    
Azithromycin 500mg IV/PO daily 3 days
or    
Clarithromycin 500mg PO bid 10 days
or    
Levofloxacin 750mg IV/PO daily 5-7 days