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Dialysis

Dialysis is a treatment for kidney failure that helps filter waste products from the blood when the kidneys are not working properly. The two main types of dialysis are hemodialysis and peritoneal dialysis.

  • Hemodialysis uses a man-made membrane (dialyzer) to filter wastes and remove extra fluid from the blood. It is usually done in a hospital or outpatient dialysis center 3 times a week. Some types of hemodialysis are done at home.
  • Peritoneal dialysis uses the lining of the abdomen (peritoneal membrane) and a solution (dialysate) to remove wastes and extra fluid from the body. Treatment can be done at home over several sessions each day or for several hours at night.

Last Revised: September 15, 2011

Author: Healthwise Staff

Medical Review: Anne C. Poinier, MD - Internal Medicine & Mitchell H. Rosner, MD - Nephrology

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