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The reasons for the increase and decrease of red blood cells
Medical expert of the article
Last reviewed: 19.10.2021
Diseases and conditions accompanied by an increase in the number of erythrocytes in the blood
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The main pathogenetic groups |
Clinical forms |
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Absolute erythrocytosis (increased production of erythrocytes) Primary Secondary (symptomatic):
Relative erythrocytosis Mixed erythrocytosis due to blood clotting and placental transfusion |
Erythremia Diseases of the lungs, heart defects, the presence of abnormal hemoglobins, increased physical activity, stay at high altitudes, obesity Cancer of the kidney parenchyma, hydronephrosis and polycystic kidney, cancer of the liver parenchyma, benign family erythrocytosis Cushing's syndrome. Pheochromocytoma, hyperaldosteronism Dehydration, emotional stress, alcoholism, smoking Physiological erythrocytosis of newborns |