Sickle cell disease

Picture of sickle cells blocking a blood vessel

Normal red blood cells move easily through blood vessels, taking oxygen to every part of your body.

People who have sickle cell disease have mostly sickled red blood cells. These cells can get stuck and block blood flow through a blood vessel. That means red blood cells and oxygen can't flow to some parts of the body.

Last Updated: December 9, 2008

Medical Review: Anne C. Poinier, MD - Internal Medicine & Martin Steinberg, MD - Hematology

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