How is intestinal bleeding caused?

Intestinal bleeding may be caused by surgical injury, enteritis and colorectal cancer.

1. Surgical injury

If the patient does not cooperate with the treatment or the doctor has improper operation, it may damage the intestinal mucosa and cause bleeding.

2. Intestinal

enteritis is mainly caused by pathogen infection, abnormal immune mechanism, genetic factors, etc. The intestinal tract is stimulated by inflammation, which can cause congestion and edema of the intestinal mucosa. When the condition is serious, it can cause bleeding.

3. Colorectal cancer

may be related to improper diet, genetics, parasite infection and other factors. Due to the continuous growth of cancer cells, the friction of fecal mass during defecation, it is easy to cause intestinal bleeding.