Hello! Iron is a raw material for hemoglobin synthesis. If it is not supplemented enough or lost too much, it will cause iron deficiency anemia.

Guidance:

Iron deficiency anemia in the elderly can be caused by a variety of reasons, including chronic blood loss, nutritional anemia, etc. It is recommended to pay attention to the presence of melena and other gastrointestinal bleeding. Wait for symptoms of chronic blood loss to find the cause of iron deficiency anemia.