A hemorrhoid that bulges outward from the anus is known as a prolapsed hemorrhoid, and it can be quite painful. Internal hemorrhoids are those that develop within the rectum. An internal hemorrhoid can become prolapsed if it pushes down from the rectum and bulges out from the anus. The other kind of hemorrhoid is external, and it forms directly on the anus. An external hemorrhoid can prolapse too. The rectum is the lowest section of the intestine, and the anus is the opening at the bottom of the rectum through which the body expels feces.
Bulging blood vessels in the backside can be a pain, but you have many options for treating them. Some women have a passing encounter with hemorrhoids during pregnancy. By midlife, many more of us have had one or more of the classic symptoms, which include rectal pain, itching, bleeding, and possibly prolapse protrusion of hemorrhoids into the anal canal. Leakage of feces may also occur. Although hemorrhoids are rarely dangerous, they can be a painful recurrent bother.
NCBI Bookshelf. We all have hemorrhoids. Together with a circular muscle called the anal sphincter, they help to control bowel movements. Some might be afraid of having a physical examination or finding out that they have a serious illness. But seeing a doctor about your symptoms is important if you want to have the right treatment.
Hemorrhoids, also called piles, are enlarged or varicose veins of the anus and rectum. There are two types of hemorrhoids, external and internal, which can occur separately or in combination. A person could have a single hemorrhoid, or have several at the same time. External hemorrhoids develop under the skin just outside the opening of the anus.