What causes stomach pain and bloody stools?

If stomach pain is accompanied by bloody stools, we need to understand the common causes, because the most common diseases in life, such as anal fissures, colorectal polyps or rectal cancer, may cause this symptom, but we also need to go to the hospital to clarify the cause before treatment.

1. Hemorrhoids: Blood in the stool usually occurs during or after defecation, in the form of drops or sprays, the blood is bright red, and the blood does not mix with the stool.

2. Anal fissure: Anal fissure causes blood in the stool, which is bright red. There will be blood stains after dripping or wiping with toilet paper, and there will be severe anal pain after defecation.

3. Rectal and colon polyps: bright red blood, painless, blood does not mix with stool. Stool bleeding caused by rectal polyps and sigmoid colon polyps. There is fresh blood or dark red blood on the stool after defecation, and rectal polyps are occasionally accompanied by polyp prolapse.

4. Ulcerative colitis: Bleeding is mixed with mucus or appears as bloody and purulent stools, accompanied by abdominal pain, fever, frequent bowel movements, etc.

5. Rectal cancer: The blood is bright red or dark red and is in the form of drops attached to the surface of the stool. In the late stage, there is often blood and pus in the stool accompanied by symptoms such as anorectal prolapse, weight loss, and changes in bowel habits.