Is dark brown stool normal?

Stool is dark brown is abnormal. Stool shows dark brown, on the one hand, consider may be abnormal eating caused by the symptoms, for example: eat some animal viscera or pig blood, chicken blood, etc., are easy to cause the performance of stool has dark brown. At the same time, also consider may be abnormal disease performance, can carry out stool routine laboratory examination, see if there is abnormal. If there is occult blood, consider is bleeding in the upper digestive tract. Can choose to carry out gastroscopy to further clarify the specific condition, and then apply hemostatic drugs for symptomatic treatment.