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What Causes Kidney Failure?

ARF is most likely to happen with:

  • low blood flow (such as after complicated surgery or an accident)
  • swelling of the kidney (such as a reaction to a drug or infection)
  • sudden blockage (such as by a kidney stone)
  • very high blood pressure

With ARF, the kidney often returns to normal or near normal after the cause is treated.

CRF is permanent loss of kidney function. The most common causes are:

  • high blood pressure
  • chronic glomerulonephritis (kidney damage)
  • high blood sugar (diabetes)
  • polycystic kidney disease
  • blocked urinary tract
  • kidney infection