Kidney infection (pyelonephritis)

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Anatomical landmarks, back view	Anatomical landmarks, side view	Kidney anatomy	Kidney - blood and urine flow
Tuberculosis in the kidney

Most cases of pyelonephritis get better without complication after the treatment. However, the treatment may need to be aggressive or prolonged. If sepsis occurs, it can be fatal.

• Recurrence of pyelonephritis
• Perinephric abscess (infection around the kidney)
• Sepsis
• Acute renal failure

Call your health care provider if symptoms suggesting pyelonephritis occur.

If you have pyelonephritis, call your health care provider if new symptoms develop, especially decreased urine output, persistent high fever, or severe flank pain or back pain.

Review Date: 07/25/2006
Reviewed By: David M. Charytan, M.D., M.Sc., Department of Medicine, Division of Nephrology, Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.