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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Prognosis

A single episode of uncomplicated pyelonephritis rarely causes permanent kidney damage in an otherwise healthy adult. However, repeated episodes of pyelonephritis can cause chronic (long-lasting) kidney disease in children, people with diabetes, and adults who have structural abnormalities of the urinary tract, or nerve diseases that disrupt bladder function. Pyelonephritis can become chronic if an infection cannot be cleared easily, as in a person with a kidney stone or other developmental abnormality of the urinary system.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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