Polycythemia vera (PV) develops slowly. The disease may not cause signs or symptoms for years.
When signs and symptoms do occur, they're the result of the thick blood that occurs with PV. This thickness slows the flow of oxygen-rich blood to all parts of your body. Without enough oxygen, many parts of your body won't work normally.
The most common signs and symptoms of PV include:
In rare cases, people who have PV may have pain in their bones.
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