You can eliminate the possible causes of stool bleeding by yourself:

1. Hemorrhoids: Hemorrhoids are a common anorectal disease. Normally, hemorrhoids will not cause stool bleeding, but If it is not treated in time, it may cause the patient to have bleeding or spurting bleeding during or after defecation.

2. Anal fissure: Anal fissure is generally caused by constipation. When the condition is mild, the bleeding is less. When the condition is serious, the bleeding is more, and you will feel severe pain in the anus after defecation.

3. Rectal and colon polyps: Blood is usually found outside the stool after defecation and is not mixed with the stool. Rectal polyps may also be accompanied by polyp prolapse.

4. Ulcerative colitis: Pus and blood in the stool or bleeding mixed with mucus occur during defecation, and associated symptoms such as abdominal pain, frequent defecation, and fever are usually present.

5. Rectal cancer: Blood in the stool will appear in the early stage of rectal cancer. The blood usually adheres to the surface of the stool and is drop-shaped, bright red or dark red; in the late stage, blood and pus will appear in the stool, accompanied by anorectal prolapse and changes in bowel habits. , weight loss and other symptoms.

6. Other diseases, such as blood diseases, acute infectious diseases, poisoning or toxic effects of drugs, may cause blood in the stool, or damage to the anal mucosa leading to bleeding. In this case, pay attention to hygiene and use soft toilet paper. .