What causes diarrhea and black stool?

Diarrhea generally refers to diarrhea, diarrhea, black stool is considered to be caused by intestinal tuberculosis, bacterial dysentery, Crohn's disease and other reasons, as follows:

1, intestinal tuberculosis

If Mycobacterium tuberculosis infection to the small intestine, may cause damage or stimulation to the small intestine, so that its function disorder, leading to small intestine mucosa capillary rupture, causing diarrhea and black stools.

2, bacterial dysentery

Bacillary dysentery is also a common cause of diarrhea, black stool, mostly due to Shigella infection of the intestinal tract, resulting in intestinal mucosa damage.

3, Crohn's disease

If the patient's condition is serious, may cause damage to the large intestine, so that it ruptures, bleeding, causing the above symptoms.