Polycythemia is an increase of red blood cells in the body. The extra cells cause the blood to be thicker, and this, in turn, increases the risk of other health issues, such as blood clots.

While taking testosterone-based HRT, your doctor will monitor your bloodwork for signs of polycythemia. If found, several treatment options are available. Testosterone is responsible for many body ...

Polycythemia vera (PV) is a disorder in which the bone marrow produces too many blood cells, leading to blood clots, bleeding, or an enlarged spleen. PV has a reduced life expectancy due to the ...

When a newborn has polycythemia, it means they have too many red blood cells. A doctor typically diagnoses polycythemia using a hematocrit test. Polycythemia can lead to thickening of the blood and ...