Cancers, such as non-Hodgkin's lymphoma or chronic lymphocytic leukemia, also destroy red blood cells. Problems with your immune system are often to blame. Hemolytic AnemiaĪnemia caused by red blood cell destruction is called hemolytic anemia.
Changes in the nervous system (some signs of this include a clumsy walk, or numbness and tingling in the arms and legs)įolate deficiency can result from poor nutrition, certain medications, or diseases affecting absorption from the gut. Vitamin B12 deficiency is more common with advancing age, particularly in women over the age of 60 and adults with autoimmune thyroid disease. Vitamin B12 and folate (folic acid) are two vitamins important for red blood cell production. These conditions cause inflammation inside your body and prevent your bone marrow from working as well as it should. Anemia of Chronic DiseaseĪnemia of chronic disease can result from chronic inflammation caused by ongoing infections, tissue damage, various forms of arthritis, benign or malignant tumors, or a variety of chronic medical conditions. Often, this blood loss is invisible to the naked eye, and your healthcare provider may do a simple test, called a fecal occult blood test, to find it. This kind of "silent" internal bleeding can be caused by bleeding ulcers or polyps, cancer, or chronic irritation of the lining of the gastrointestinal tract. Iron-deficiency AnemiaĪ common cause of iron-deficiency anemia is chronic blood loss, usually from the gastrointestinal tract. Here are the most common causes of anemia in older adults. Heart valve problems (which damage your red blood cells). Increased destruction of red blood cells caused by:. stomach irritation from medications, alcohol, or an ulcer. Malnutrition and dietary deficiencies in iron, vitamin B12, or folic acid (folate). Chronic diseases or inflammation, such as cancer or infections. 
Decreased red blood cell production caused by:.In older people, anemia is often the result of more than one condition occurring at the same time. The three major reasons why anemia can happen are described below. About one-half of all anemias among older adults are due to chronic medical conditions, and about one-fifth of all anemias remain unexplained even with thorough evaluation. In the United States, about one-third of all anemias among older adults are due to dietary deficiencies in iron, vitamin B12 and or folate (folic acid).
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