What happens when you often shit black?

Often pull black stool consider is diet factors, gastric ulcer, bacillary dysentery and other reasons caused, as follows:

1, diet factors

If the patient usually likes to eat pork liver, spinach, duck blood and other foods with high iron content, iron ions can be combined with hydrogen sulfide to form black iron sulfide after entering the gastrointestinal tract, so that the stool is black. This is a normal physiological phenomenon, patients do not need to worry too much.

2, gastric ulcer

patients stomach itself damage, serious illness may lead to ulcer surface bleeding, if part of the blood flows into the intestinal tract mixed with feces, there will be often pull black stool situation.

3, bacillary dysentery

is caused by Shigella infection, Shigella in the body may cause damage to the colon mucosa, so that its internal capillary rupture bleeding, resulting in the above situation.