Kidney failure

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Kidney failure (also called renal failure) is a term used to describe when a person's kidneys stop working properly, or fail. Renal failure can be divided into two categories: chronic renal failure, and acute renal failure.

  • Acute renal failure develops in a short time, and symptoms are more noticeable. Symptoms include production of less urine, changes in body water levels, and irregularities in electrolyte levels. The cause of acute renal failure needs to be found quickly, and dialysis is often needed while that is being found.

It is possible to have acute renal failure on top of chronic renal failure. This is called acute-on-chronic renal failure.