Polycythaemia vera (PV)
Polycythaemia vera (PV) is a form of blood cancer. In PV, your body produces too many red blood cells.
Polycythaemia vera (PV) at a glance
For support around a blood cancer diagnosis, go to our just diagnosed section.
You may not experience any symptoms at all if you have PV, even once you’re diagnosed. Many people with PV are diagnosed after a routine blood test.
Common symptoms include headaches, blurred vision and skin changes.
In PV, the goal of treatment is to make sure your risk of developing blood clots is as low as possible. The type of treatment you have will depend on certain factors, including your age and how your blood cells are affected.
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