What are the neurologic and GI symptoms of Legionella infection?

Updated: Nov 13, 2018
  • Author: Mobeen H Rathore, MD, CPE, FAAP, FIDSA; Chief Editor: Russell W Steele, MD  more...
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Neurologic and GI symptoms are usually prominent. Neurologic complaints may include the following:

  • Headache

  • Lethargy

  • Confusion

  • Cerebellar ataxia

  • Agitation

  • Stupor

Common GI symptoms include diarrhea (watery and nonbloody), nausea, vomiting, and abdominal pain. [24]

In neonates, Legionnaires disease can manifest as septicemia and/or pneumonia with a fulminant course, often diagnosed at autopsy.

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