Is stool black residue dyspepsia?

Black residue in stool is not necessarily caused by indigestion.

If the patient eats foods with high iron content, such as duck blood, pig blood, animal viscera, etc., it may cause black residue in stool, which is a normal phenomenon. After the patient stops eating such foods, the symptoms will generally disappear gradually. If the patient has bleeding in the digestive tract, black residue may also appear in the stool. In addition, if the patient has indigestion, unable to absorb the food in time, it may also cause black residue in the stool, often accompanied by abdominal distension, abdominal pain, constipation, nausea and vomiting.

If the symptoms do not improve for a long time, the patient should go to the hospital for examination in time.