What are the signs and symptoms of acute pyelonephritis (kidney infection) in children?

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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The classic signs and symptoms observed in adults are often absent in children, particularly neonates and infants. In children 2 years of age and younger, the most common symptoms of urinary tract infection (UTI) are failure to thrive, feeding difficulty, fever, and vomiting. When fever is present, pyelonephritis should be in the differential diagnosis.

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