Blood in stool is generally divided into fresh blood stool, tarry stool, occult blood stool, mucus-purulent blood stool, etc.
1, fresh blood stool. Blood stool usually comes from the lower ileum, colon, rectum, anus, the color of the stool is bright red or dark red, blood in the form of jets or dripping blood after the stool, or is accompanied by pain during the stool, when the blood stool suggests the occurrence of hemorrhoids, anal fissures, rectal polyps and other diseases.
2, occult blood stool and tarry stool. If you usually have chronic stomach disease, the presence of occult blood stool, suggesting that there is bleeding in the upper gastrointestinal tract, the amount of bleeding is less than 50 ml, and accompanied by stomach pain, stomach distension. If the amount of bleeding is greater than 50 ml, and accompanied by vomiting blood, suggesting a relatively large amount of bleeding, making the stool black, shiny, like tar.
3. Mucus-pus-blood stool. Mucus pus blood mixed in the stool, pink or dark red in color, sometimes thin stool in the form of streaks or pressure marks, more frequent stools, with a sense of urgency, and abdominal pain, some accompanied by weight loss, such symptoms suggest the possibility of rectal cancer, ulcerative colitis, and dysentery.
If there is blood in the stool, we must pay attention to find the cause of bleeding in time, take measures, treat the symptoms, and prevent the occurrence of anemia.