Is there a link between iron deficiency anemia and colon cancer?

Iron deficiency anemia and colon cancer may have some relationship, colon cancer may cause iron deficiency anemia.
Colon cancer is a common malignant disease of gastrointestinal tract, common clinical symptoms include abdominal pain, blood in stool, abdominal mass, change of bowel habit, etc. Long-term chronic bleeding can cause iron deficiency anemia, dizziness, pallor and other related symptoms.
However, the existence of iron deficiency anemia is not necessarily colon cancer, it may also be caused by chronic blood loss due to other diseases, such as excessive menstruation, duodenal ulcer bleeding, etc. In addition, prolonged malnutrition can also cause iron deficiency anemia.
Therefore, there is a certain relationship between iron deficiency anemia and colon cancer. When related symptoms appear, one should seek medical treatment as soon as possible, improve the abdominal CT, blood routine and other related examinations to make a clear diagnosis, and carry out corresponding treatments under the guidance of physicians to avoid delaying the condition.