Dear Dr. Roach: My wife, 69, has had issues for several years with high counts of red blood cells, hemoglobin and hematocrit. This all started back in 2017. Recently, she had severe pain in her ...

A high red blood cell count can occur for many reasons, including excessive cell production, changes in blood volume, or underlying medical conditions. Sometimes, the cause is unknown. Erythrocytes, ...

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Medically reviewed by Yasmine S. Ali, MD, MSCIMedically reviewed by Yasmine S. Ali, MD, MSCI The red blood cell (RBC) count is a test that measures the number of oxygen-carrying blood cells in your ...

Polycythemia vera is a chronic myeloproliferative neoplasm with excessive red blood cell production, increasing thrombotic risk. Stage 1 PV management includes phlebotomy, low-dose aspirin, ...