By Brian Joseph Miller. While rectal bleeding rarely a medical condition, Symptoms associated with rectal bleeding, including diarrhea, constipation, hemorrhoids, anal fissures, and ulcers, can be worrisome. Rectal bleeding is a scary but surprisingly common phenomenon. A person with rectal bleeding has bleeding from the rectum or anus. Rectal bleeding is usually assumed to refer to bleeding from your lower colon or rectum, which makes up the last few inches of your large intestine. Bleeding from higher in the intestinal tract, from the stomach, duodenum, or small intestine, may also pass through the large intestine and appear to come from the rectum.
Rectal Bleeding: Causes, Symptoms, and When to Seek Help
The anus is that part of the intestinal tract that passes through the muscular canal of the pelvis and anal sphincters. It is the final orifice through which stool passes out of the body. In adults, the anus is 4 to 5 centimeters long.
Rectal bleeding is the presence of bright red blood on the tissue paper, or in the toilet. This may happen after a bowel movement. Gastrointestinal bleeding is bleeding from the upper part of the digestive system.