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

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Patients in the age range of 5-65 years typically present with lower urinary tract infection (UTI) symptoms (eg, dysuria, frequency, urgency, gross hematuria, suprapubic pain) and classic upper UTI symptoms (eg, flank pain, back pain), with or without systemic signs and symptoms (eg, fever, chills, abdominal pain, nausea, vomiting, costovertebral angle tenderness) and with or without leukocytosis. However, acute pyelonephritis can present as nonspecific symptoms.


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