DefinitionBy Mayo Clinic staff
Iron deficiency anemia is a common type of anemia — a condition in which blood lacks adequate healthy red blood cells. Red blood cells carry oxygen to the body's tissues.
As the name implies, iron deficiency anemia is due to insufficient iron. Without enough iron, your body can't produce enough hemoglobin, a substance in red blood cells that enables them to carry oxygen. As a result, iron deficiency anemia may leave you tired and short of breath.
You can usually correct iron deficiency anemia with iron supplementation. Sometimes, additional treatments for iron deficiency anemia are necessary, especially if you're bleeding internally.
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