What is the reason why the stool is black

Normal stool color represents the health of the body, so many people pay special attention to the color of their stool. Therefore, when the stool is black, they are particularly worried that there is something wrong with their body. So they want to fully understand the reasons why the stool is black? The following is a detailed introduction so that you can have a comprehensive understanding.

1. Black stool caused by food: Eating certain foods can cause changes in stool color, which can sometimes be easily confused with blood in the stool. For example, after eating animal blood, or large amounts of beef or pork liver, the iron in them can form black iron sulfide in the human intestine, making the stool black; other foods such as eating large amounts of bayberry jam or mulberry jam can also cause the stool to turn black.

2. Black stool caused by drugs: Oral activated carbon powder, iron supplements for blood tonic, bismuth supplements for treating stomach problems and certain Chinese medicines can also cause black stools.

3. Black stools caused by systemic infectious diseases: such as sepsis, typhoid fever, etc., newborns swallowing blood from the mother's birth canal or ruptured nipples, swallowing of bleeding from the nose, pharynx, and gums, etc. can all cause black stools.

4. Black stool caused by blood diseases: Neonatal hemorrhage, hemophilia, leukemia and aplastic anemia, thrombocytopenia and allergic purpura may all cause black stool.

5. Black stool caused by digestive tract diseases: including cirrhosis combined with ruptured esophageal or gastric varicose veins, esophageal foreign bodies, ulcers and acute gastritis, gastric mucosal prolapse, intussusception, hemorrhagic necrotizing enteritis, strangulated intestinal obstruction, Meckel's diverticulum, intestinal polyps, anal fissures, gastric cancer, etc. can all cause black and tarry stools.

What is the reason for black stools? Through the detailed introduction in this article, I believe you have understood the reason. After a comprehensive understanding, in order to protect your body from serious harm, you should go to the hospital for a comprehensive examination as soon as possible. After finding out the cause of black stools, use the correct treatment method to make your bowel movements normal as soon as possible.