What does it mean when red blood cells are high and mean corpuscular volume is low, and what should be done?
May 05, 2023
Source: Cainiu Health
Dr. Zhang Heyang
Introduction
High red blood cell count with low mean corpuscular volume may result from physiological factors, iron deficiency anemia, hyperthyroidism, or other conditions. Iron deficiency anemia can be treated with medications such as folic acid tablets and ferrous sulfate tablets, while hyperthyroidism may be managed with drugs like methimazole tablets or carbimazole tablets. Emphysema could also be a potential cause; therefore, it is recommended to consult a qualified physician promptly for evaluation and treatment.
Elevated red blood cell count with reduced mean corpuscular volume (MCV) may result from physiological factors or pathological conditions such as iron deficiency anemia or hyperthyroidism. Targeted treatments are available. The specific analysis is as follows:
I. Physiological Factors
During physical exercise, the body requires more oxygen to supply active muscles, leading to an increase in red blood cell count to enhance oxygen delivery. Newly produced red blood cells may not be fully developed, resulting in a lower mean corpuscular volume. This condition generally does not require medication and can be improved by avoiding excessive exercise and ensuring adequate hydration.
II. Pathological Factors
1. Iron Deficiency Anemia
Insufficient iron intake may lead to iron deficiency anemia. This impairs hemoglobin synthesis and affects the red blood cells' ability to absorb and retain water properly. The body compensates by producing more red blood cells to counteract the low hemoglobin levels, resulting in elevated red blood cell count and decreased mean corpuscular volume. After diagnosis by a physician, medications such as folic acid tablets or ferrous sulfate tablets may be prescribed.
2. Hyperthyroidism
Excessive secretion of thyroid hormones leads to hyperthyroidism, which accelerates the metabolic rate of bone marrow hematopoiesis. The bone marrow produces large numbers of red blood cells, while relatively reducing the production of white blood cells and platelets, thereby increasing red blood cell count and decreasing mean corpuscular volume. It is recommended to follow medical advice and use medications such as methimazole tablets or carbimazole tablets.
In addition to the above, elevated red blood cell count with reduced red blood cell volume may also be caused by conditions such as emphysema, tuberculosis, or lung cancer. It is advisable to consult a qualified physician promptly for evaluation and diagnosis, and to undergo appropriate treatment as recommended.
