What causes an increased red blood cell count with normal hemoglobin?

Increased red blood cell count with normal hemoglobin may be transient such as chronic hypoxia, or it may be hypochromic such as iron deficiency anemia and other causes related.
1. Transient: chronic hypoxia, for example, the higher you go, the more severe the hypoxia will gradually cause an increase in reactivity, which may lead to an increase in the number of red blood cells, while hemoglobin is normal.
2. Hypochromic: such as iron deficiency anemia, due to a variety of reasons, such as insufficient iron intake, excessive loss of iron causes the body to have too little iron, may also appear to increase the number of red blood cells, hemoglobin normal.
There may be other reasons for the increase in the number of red blood cells and normal hemoglobin, so it is recommended to go to the hematology department of the hospital in a timely manner to clarify the cause of the disease and to give the appropriate treatment and treatment.