• These guidelines are to be used in adult immunocomptent patients only.

  • All dosages are based on normal renal and hepatic function.


Pneumonia occurring ≥48 hours after admission, which was not incubating at the time of admission.

Pneumonia occurring ≥ 48-72 hours after endotracheal intubation.

Pneumonia within 48 hours of hospital admission in any patient who was:

  • Hospitalized in an acute care hospital for two or more days within 90 days of the infection

  • Resided in a nursing home or long-term care facility

  • Received recent intravenous antibiotic therapy, chemotherapy, or wound care within the past 30 days of the current infection

  • Attended a hospital or hemodialysis clinic

  • Aspiration pneumonitis and aspiration pneumonia: N Engl J Med 2001;344(9):665.

  • ATS/IDSA Guidelines for HAP/VAP: AJRCCM 2005;171:388.