Duration of therapy for high-severity HAP

For high-severity HAP, the usual total duration of therapy (intravenous + oral) is 7 days.Kalil, 2016 Patients with lung abscess, empyema or complicated parapneumonic effusion require a longer duration of therapy – see Lung abscess or Parapneumonic effusion and thoracic empyema. Patients with necrotising or cavitary pneumonia usually need a longer duration of therapy – seek expert advice.