Can hemorrhoidal bleeding cause anemia?

Generally, if the hemorrhoids only cause mild bleeding, it usually does not lead to anemia. However, severe bleeding may cause anemia. If discomfort symptoms occur, it is recommended to seek timely medical treatment at a reputable hospital. Detailed analysis is as follows:

During mild bleeding, the blood loss is minimal and may only manifest as blood streaks on the surface of stool or a small amount of fresh blood on toilet paper after wiping, and the bleeding is not persistent. The human body has a certain capacity for hematopoietic compensation; when there is minor blood loss, the bone marrow can accelerate the production of new blood cells to replenish the lost blood components, maintaining a relatively stable level of hemoglobin and red blood cells. Therefore, occasional or minor bleeding from hemorrhoids does not disrupt the body's blood balance or cause anemia.

In cases of severe bleeding, patients may experience jet-like bleeding or continuous dripping after bowel movements, with significant and frequent blood loss. Prolonged and excessive blood loss exceeds the body's hematopoietic compensatory capacity, causing a continuous decline in the number of red blood cells and hemoglobin, which cannot meet the body's normal needs for oxygen transport and metabolism. As the condition progresses, patients may gradually develop symptoms of anemia such as dizziness, fatigue, pale complexion, palpitations, and shortness of breath, seriously affecting health and quality of life.

Patients experiencing hemorrhoidal bleeding should actively seek medical attention and follow medical advice for appropriate treatment to prevent severe complications such as anemia. Additionally, it is important to maintain anal hygiene, avoid spicy and irritating foods, and take preventive measures to reduce the risk of developing or worsening hemorrhoids.