What is the reason for black stool due to constipation

For a person, if he often suffers from constipation and his stool is black, this must attract the attention of many people, because constipation and black stool may be a precursor to other diseases. Therefore, for many people who often suffer from constipation and black stool, they must pay attention to it. So what is the reason for constipation and black stool? Let's take a look at the answer below.

1. Systemic infectious diseases

Systemic diseases are the direct cause of constipation and black stools. The so-called diseases here mainly include: 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.

2. Blood diseases

The survey shows that blood diseases are also the cause of black stools. For example, neonatal hemorrhagic disease, hemophilia, leukemia, aplastic anemia, thrombocytopenia and allergic purpura may cause black stools.

3. Food

Certain foods may also cause black stools, and in daily life, people sometimes easily confuse it with bloody stools. 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.

4. Digestive tract diseases

Digestive tract diseases are important factors causing constipation and black stools, including liver cirrhosis combined with ruptured esophageal or gastric varicose veins, esophageal foreign bodies, ulcer disease, acute gastritis, gastric mucosal prolapse, intussusception, hemorrhagic necrotizing enteritis, strangulated intestinal obstruction, Meckel's diverticulum, intestinal polyps, anal fissures, gastric cancer, etc., which can all cause black and tarry stools.

What is the cause of constipation and black stools? I believe that through the above introduction you have a better understanding. If you have this symptom, you must understand the above content as soon as possible and conduct a comprehensive examination to find out what disease it is? Through effective treatment as soon as possible, you can improve constipation and black stools as soon as possible and keep yourself healthy.