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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.

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this information does not replace the advice of a doctor. healthwise, incorporated, 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 and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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