Black residue in stool

Stool showed black residue, first of all need to rule out some factors related to food, such as eating some black food, at the same time stool residue can not be ruled out is caused by some digestive system bleeding, it is recommended to improve the digestive system in time color ultrasound and electronic esophagus, stomach meridian and other related examinations to make clear. If the stool routine results suggest that there is a positive occult blood test, then it is considered to be caused by gastrointestinal bleeding. It is suggested that relevant examinations of electronic esophagus and stomach meridian and electronic colonoscopy should be carried out in time to clarify the bleeding point. If necessary, some hemostatic drugs should be selected according to the patient's condition. If necessary, surgery should be adopted for treatment.