Detailed explanation of what causes sudden blood in the stool

Many friends will find themselves having bloody stools in their lives. Bloody stools indicate that there are some diseases in the body. These diseases may be enteritis, intestinal polyps, or hemorrhoids. It will be beneficial for you to know more about bloody stools.

Black blood in stool: It means that the bleeding location is in the upper gastrointestinal system, which may be caused by duodenal ulcer, gastritis, etc.

Red bloody stools: may indicate intestinal or anorectal disease.

What is blood in stool?

1. Enteritis: There are inflammatory bacteria in the intestines, which can damage the intestinal mucosa and cause bleeding, resulting in bloody stools, accompanied by diarrhea or constipation. If the inflammation is more serious, there will be pus and blood in the stool, and the stool will be attached with mucus.

2. Intestinal polyps: Because the polyps grow in different locations, the color of blood in the stool is also different, but it is mostly bright red or dark red, and the amount of bleeding is not large. If the infection is triggered, mucus, pus and blood in the stool will appear.

3. Rectal cancer: The color of blood in the stool is dark red or bright red, and the amount of blood in the stool is not large. The stool may also contain pus, blood, and mucus, and emit a special odor, accompanied by a feeling of incomplete defecation, or the urge to defecate is relieved when going for a bowel movement.

4. Colon cancer: There is fresh blood or dark red blood in the stool, pus or mucus in the stool, and the stool is mostly loose and unformed.

5. Hemorrhoids: The blood in the stool of hemorrhoids is bright red in color, and the blood does not mix with the stool. The blood adheres to the surface of the stool.

6. Anal fissure: Bright red blood drips from the anus during defecation. The blood does not mix with the stool. Anal fissures are often accompanied by constipation, so the stool is relatively dry and hard, and tearing pain occurs during defecation.