Abdominal pain, diarrhea, blood. What's going on?

Abdominal pain and show diarrhea when there is blood performance, if the stool shows obvious blood, it is necessary to combine the patient has no chronic gastrointestinal diseases in the past to analyze the blood at this stage exactly what kind of situation. Upper gastrointestinal bleeding, in the bleeding more, can be manifested as obvious hematochezia; acute intestinal mucosal lesions, intestinal inflammation, can also show hematochezia; in addition hemorrhoids can also show hematochezia; digestive tract tumors can also show blood. These diseases may also be accompanied by obvious abdominal pain when they attack. Therefore, the specific diagnosis should be combined with the patient's age, past medical history and other related examinations, active treatment, active hemostasis, to prevent hemorrhagic shock.