What is the presentation of Legionella pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Patients with Legionella pneumonia often present with mental status changes or diarrhea. Patients may develop hemoptysis or pulmonary cavitations. In addition, unlike other pneumonias, more than 50% of the time Legionella pneumonia has gastrointestinal (GI) symptoms associated with it, such as anorexia, nausea, vomiting, and diarrhea. Hyponatremia is often noted.

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