When the body destroys RBC faster than it produces them, low hemoglobin count occurs, such as in these conditions:Īcute or chronic blood loss also results in low hemoglobin count, and this can occur because of any of these:Ī person who has a slightly low hemoglobin level may not feel any symptoms at all. Medications like anti-retroviral drugs and chemotherapy drugs.This occurs if the body manufactures a smaller number of RBC than normal, if these blood cells are destroyed more rapidly than they are created, or if one experiences blood loss.Ĭertain conditions and diseases cause the body to manufacture fewer RBC than normal, and these include: Some people adapt to slightly low hemoglobin count, like woman who are menstruating or pregnant.Ī significantly low hemoglobin count may be associated with disease or any condition that causes the blood to have very few red blood cells (RBC). Causes of Low Hemoglobin CountĪ slight decrease in hemoglobin does not necessarily indicate an illness. This abnormally low hemoglobin count is known as anemia. However, if the decline in hemoglobin level is considerable and leads to symptoms, there may be an underlying medical condition causing it. Usually, blood test results reveal just a slight decrease from normal levels, which may not be clinically significant and does not lead to symptoms. For males, it is below 13.5gm/dL, and for females, it is below 12gm/dl. Normal limits for children vary with their sex and age.Ī low hemoglobin count is commonly seen in routine blood tests. A normal hemoglobin level is at 13.8 to 17.2gm/dL of blood for males and 12.1 to 15.1gm/dL of blood for females. This molecule carries oxygen from the lungs to the different parts of the body. The red blood cells contain a protein called hemoglobin, also known as Hb or Hgb.
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