Diseases that the elderly should be alerted to for anemia include: iron deficiency anemia, gastrointestinal tumors, long-term chronic blood loss, and bone marrow primary diseases.
1. Nutritional anemia: the elderly often have loose teeth, loss, which will cause poor chewing ability, malnutrition and lead to iron deficiency anemia. In addition, the elderly can suffer from a variety of diseases, some of which require long-term strict dietary control, such as diabetes, etc. An unbalanced diet for the elderly may also lead to anemia.
2. Gastrointestinal tumors: iron deficiency anemia is often the first symptom of gastrointestinal tumors, and the elderly should be highly alert to tumors as an important cause of anemia.
3. Long-term chronic blood loss: such as peptic ulcer bleeding, hemorrhoid bleeding, etc.
4. Renal diseases: the advanced stage of various renal diseases will cause renal failure, which will lead to anemia of renal origin. That is, the erythropoietin produced by the kidneys decreases, which reduces the hematopoiesis of bone marrow and leads to anemia.
5. Bone marrow primary diseases: such as leukemia, multiple myeloma, etc., can also lead to anemia.
Therefore, once anemia occurs in the elderly, they should consult a doctor in time to find out the cause of the disease and treat it actively so as not to delay the condition.