What is the presentation of acute pyelonephritis (kidney infection) in elderly patients and infants?

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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With patients at the extremes of age, the presentation may be so atypical that pyelonephritis is not in the differential diagnosis. Infants may present with feeding difficulty or fever, and the elderly may have mental status change or fever.

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