When should steroids be added to antibiotics in the treatment of Pneumocystis jioveci (PCP) pneumonia?

When PaO2 < 70 initiate prednisone (40 mg PO bid x 5 days, then taper) prior to initiation of antibiotic regimen.


Source

Sabatine, M.  Pocket Medicine: The Massachusetts General Hospital Handbook of Internal Medicine.  3rd ed. 2008.