Proctoscopy may bring about abdominal distension and pain, blood in stool and other discomforts because it is an endoscopic examination, which requires the examination instrument to go deep into the human body and may bring about injuries. 1. Abdominal distension and pain: anoscopy is generally categorized into soft mirror and hard mirror, but no matter which one it is, when checking, it is necessary to deepen the instrument from the anus to the human abdomen to check the corresponding position, and the process may also rotate in the direction, so it may cause compression of the abdominal organs, and there will be abdominal distension and pain and other uncomfortable symptoms. 2. Blood in stool: anoscopy is a commonly used anorectal examination, can assist the doctor to determine whether the anus, rectum and other parts of the inflammation or polyps, the examination process generally lasts 10-20 minutes, the specific length of time depending on the individual situation, in the process, the anus is likely to be examined for a long time and dilatation of the anal part of the injury, the symptoms of postoperative defecation of blood in the stool. After the anoscopy, you should rest in bed for 5-10 minutes, and go home only after 1-2 hours without any abnormalities. If you feel uncomfortable after the operation, such as persistent abdominal distension and abdominal pain, you should go to the hospital in time to avoid delaying your condition, and do not use medication on your own.