A member asked:

What causes polycythaemia?

A doctor has provided 1 answer

See below: Reactive polycythemia occurs when the body feels it need more oxygen, e.g., lung disease due to smoking, residence at high altitude, abnormal mixing of arterial and venous blood. Polycythemia vera is a low grade cancer of the blood. You may consult this site: http://www.webmd.com/polycythemia-vera#1

Answered 11/28/2017

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A member asked:

Can polycythemia vera cause elevated bilirubin blood levels?

A doctor has provided 1 answer