The main cause of iron deficiency anemia is not necessarily cancer, but also chronic enteritis, excessive menstruation, malnutrition and other causes.
1. Cancer: Cancer may cause iron deficiency anemia, such as digestive tract cancer on the one hand may cause iron absorption disorder, and may have the manifestation of chronic bleeding in digestive tract, which may eventually cause iron deficiency anemia.
2. Chronic enteritis: chronic enteritis, especially the inflammation of duodenum, can cause iron absorption disorder and iron deficiency anemia.
3. Excessive menstruation: Excessive menstruation (e.g. menstrual disorders, placement of intrauterine device, etc.) can cause excessive iron deficiency, and long-term chronic iron loss can also lead to the occurrence of iron deficiency anemia.
4. Malnutrition: infants, young children, pregnant women, etc. have a greater demand for iron, such as failing to ensure an adequate supply of iron, or adolescents and young people are partial to food leading to iron deficiency, etc., can also lead to iron deficiency anemia.
Iron deficiency anemia may also have other causes, or may be caused by one or more reasons, you should go to the hospital to investigate the cause of the disease, and actively cooperate with the doctor for treatment.