What is the medical term for iron deficiency?

Irondeficient anemia: Iron deficiency anemia is the medical term, meaning your body doesn't have enough iron. Iron is important because red cells need iron to make hemoglobin: needed to for oxygen exchange. If you are deficient in iron, commonly caused by bleeding, poor intake, low absorption or marrow defect,then your red cells become small, pale,& ineffective and you may feel weak,sluggish, pale& short of breath.