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Polycythemia

Polycythemia

Polycythemia, also called erythrocytosis, is an abnormal increase in the number of red blood cells produced by the bone marrow. The extra numbers of red blood cells cause blood to thicken and may increase the risk of blood clots that may cause heart attacks or strokes.

Treatment for polycythemia sometimes involves removing red blood cells (much like donating blood) from the blood. Treatment may also involve taking medicines.

Current as of: December 13, 2023

Author: Ignite Healthwise, LLC Staff

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This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.