What is the reason for bleeding during defecation? How to check?

It's winter, we like hot pot and mala Tang, and drinking hard liquor has become another way to keep warm in winter. Over time, we won't take it seriously and think it's just a minor illness. But some patients are afraid of this kind of stool bleeding, but they don't know what to do. What is the reason? Look at what the experts at Changsha Dongda Anorectal Hospital say! How is bleeding during defecation? The most common reasons are as follows: 1. Anal fissure: its blood color is bright red, which can be seen by dripping or wiping with toilet paper. After fresh anal fissure, the anus is in severe pain. 2, hemorrhoids: its stool bleeding occurs during defecation or after defecation, the blood is bright red, and the blood is not mixed. 3. Late rectum: its stool bleeding is bright red and attached to the stool surface in a drop shape; Later accompanied by anorectal decline and emaciation, increased stool frequency, constipation and diarrhea alternately. 4, digestive tract diseases: the stool is tar-like or black-red, and the bleeding site is mostly in the upper digestive tract; If the color of blood is pure red, it is mostly bleeding from lower digestive tract diseases. 5, systemic diseases: such as leukemia, hemophilia, uremia and some rare infectious diseases, while bloody in the stool, there will be bleeding in other parts of the body. 6, rectal bloody stool, colon polyps: its blood is bright red, painless, bloody stool does not mix. Ulcerative colitis and dysentery are often mixed with mucus or purulent bloody stool, accompanied by symptoms such as lower abdominal pain, fever and frequent defecation. What is the cause of massive bleeding? Specific situation, specific analysis! In fact, everyone's bleeding situation is different. Doctors need to know more information to judge the cause and provide treatment suggestions, such as the number of bloody stools, the color of bleeding, the amount of bleeding, the gender of the bleeding person, whether there are other accompanying symptoms of bleeding, and whether there is pain during bloody stools. Different conditions of bloody stool hide different diseases. As long as you click on the corresponding link according to your bleeding situation, the online anorectal doctor will make a detailed and comprehensive analysis for you, help you answer questions and help you. 1. Do you feel pain when bleeding? Painless hematochezia: internal hemorrhoids, rectal cancer, rectal polyps. Painful hematochezia: anal fissure, inflammation of external hemorrhoids, anal abscess or anal foreign body. 2. What color is bleeding? Bloody stool: hemorrhoids, rectal polyps, anal fissure, rectal prolapse. Purulent bloody stool: straight, colon cancer, ulcerative enteritis. 3. What's your gender? Blood in the stool of the elderly: rectal cancer. Female hematochezia: hemorrhoids, anal fissure. Bloody stool in children: anal fissure, rectal polyp. What inspection should I do for bleeding in the toilet? For anal bleeding's illness, experts from Changsha Dongda Anorectal Hospital finally diagnosed her with Korean electronic anoscope in addition to routine consultation, visual examination and finger examination to ensure accurate diagnosis and treatment.