Causes of Small Intestine Bleeding

The causes of small intestinal bleeding are divided into two categories: systemic diseases, cumulative intestinal diseases and primary diseases of the small intestine. Systemic diseases are more common in allergic purpura, various types of poisoning, vitamin K deficiency, trauma, etc.(such as hemangioma, telangiectasia, angiodysplasia, etc.), tumor (such as malignant lymphoma, leiomyosarcoma, etc.), small intestinal diverticulum, intussusception, inflammation, ulcer, parasitic disease (such as schistosomiasis), bacterial dysentery, etc.