What is lower gastrointestinal bleeding?
A person with lower gastrointestinal bleeding has bleeding from the small intestine, colon or rectum. The most common causes for lower intestinal bleeding include hemorrhoids, gastroenteritis, and diverticulitis.

What are the symptoms of lower gastrointestinal bleeding?
Symptoms of lower gastrointestinal bleeding include red stools, maroon stools, black stool, rectal bleeding, abdominal pain, pale skin, weakness, faintness, palpitations, and a rapid pulse.

How does the doctor treat lower gastrointestinal bleeding?
Treatment for lower gastrointestinal bleeding depends on the underlying cause. Treatment may include a blood transfusion, vitamin supplements, iron supplements, and medication. In some cases, colonoscopy or surgery may be required, in order to stop bleeding within the large intestine.