Decorative image

Polycythaemia vera (PV)

Polycythaemia vera (PV) is a rare condition that affects the bone marrow. It is also called erythrocytosis which means too many red blood cells.

About polycythaemia vera

Find out what polycythaemia vera is, risks and causes and the symptoms. 

Tests and treatment

The first test to diagnose PV is usually a blood test. Read about the tests to diagnose and the treatment you might have. 

Research and coping

Find information on coping with polycythaemia vera (PV) and read about organisations and resources that can help. 

Last reviewed: 
10 Aug 2017

Information and help