Is elevated hemoglobin dangerous?

Hemoglobin rate

For men, the hemoglobin rate is 17.5 g / dL. In women, the hemoglobin concentration is slightly lower and should not exceed 15.5 g / dL. If the patient as a result of a blood test revealed deviations of this indicator, the doctor may need to conduct additional diagnostic procedures to identify the causes of the increased amount of the substance.

Causes of hemoglobin increase

Hemoglobin increases with an increased production of blood cells, which compensate for the lack of oxygen in human organs and tissues. This phenomenon occurs due to insufficient function of the heart or lungs. Also, the level of hemoglobin can increase with improper functioning of the kidneys or as a result of taking drugs that stimulate the production of red blood cells. An increase in hemoglobin may also occur due to spinal cord dysfunction,with a long stay at a high altitude (for example, in the mountains), where the oxygen content is slightly lower and the body is required to take measures to sufficiently obtain the necessary substances for the normal functioning of organs and tissues.
Increased hemoglobin level occurs only under the influence of certain factors and is not in itself dangerous. However, the presence of a large number of red cells can talk about a serious pathology that needs to be treated under the supervision of a physician. Among the common causes of the formation of a large number of red cells can be noted emphysema, liver cancer or kidney disease, heart disease, obstruction of the lungs, congenital dysfunction of the heart and dehydration. When the hemoglobin rate is exceeded, the doctor is obliged to prescribe additional studies that will make it possible to specify the diagnosis and make it possible to determine the exact reason for the increase in this indicator in the blood.


Excessive hemoglobin can increase blood pressure. In patients with a change in the composition of the blood, headaches, redness of the skin, sleep disorders and a drop in general well-being may begin.High hemoglobin can tell about the presence in the human body of disorders in the composition of the blood, which also should be corrected.
Elevated levels of hemoglobin, caused by organ dysfunction, increase blood density and viscosity, which also increases the risk of blood clots and subsequent blockage of blood vessels. This process can lead to heart attacks, heart attacks and strokes.

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