Stomach pain black loose stools first consider the existence of upper gastrointestinal bleeding, followed by diet (consumption of animal blood products, animal liver), drugs (iron, bismuth) and other reasons.
1. Upper gastrointestinal bleeding: upper gastrointestinal bleeding can be seen in acute gastritis, peptic ulcer, esophagogastric fundus varices. Such as acute gastritis can also have acid reflux, heartburn and other symptoms; such as peptic ulcer can have periodic, rhythmic stomach pain (gastric ulcer mostly in the postprandial gastric pain, duodenal ulcer is mostly abdominal pain, night pain); such as esophagogastric fundal varices can also have jaundice, hepatic discomfort and other symptoms.
2. Dietary causes: such as animal blood products, animal liver, etc., this kind of food is rich in iron, can be formed under the oxidation of the intestinal tract black stools, but usually do not appear abdominal pain.
3. Drug causes: such as iron, bismuth, etc., these drugs contain metal elements, can be formed in the intestinal oxidation of black stool.
For the causes of black loose stools in stomach pain, it is recommended to consult a doctor in time and have it analyzed by the doctor.