A number of small glands are inside the anus. In some cases, these glands can become blocked and the cavity will become infected, which is known as an anal abscess. There’s a 50 percent chance one of the abscesses could become an anal fistula, in which a small tunnel connects the infected gland inside the anus to an opening on the skin around the anus.

Read More »Anal Fistula Symptoms and Treatment in Kansas City