The most common cause of an anal fistula is an anal abscess, although there are several other possible causes of the condition. Most anal fistulas form in the posterior midline. An abscess is a ...

The American Society of Colon and Rectal Surgeons has issued updated guidelines for physicians, published in Diseases of the Colon & Rectum, about how to treat problems of the anus and rectum called ...

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, ...

Anal fissures cause sharp pain and bright red bleeding during and after bowel movements Piles involve swollen veins causing bleeding, itching, lumps, and sometimes pain if clotted Anal abscesses are ...

A young girl was at home doing a handstand when her mother noticed something unusual -- a second, tiny opening just behind her anus. The child had no pain, constipation, or other gastrointestinal ...

An anal fistula is a small, abnormal tunnel that forms between the inside of the anal canal and the skin near the anus. The ...

Medically reviewed by William Truswell, MDKey TakeawaysHemorrhoids cause burning anal pain, itching, and blood in stool.Spicy foods, coffee, and alcohol can irritate the anal area and cause ...