What is an anal fistula?

Anal fistula is the abbreviation of anal fistula, anal canal or rectum and surrounding skin communication abnormal pipeline, anal fistula external orifice outflow of a small amount of purulent, bloody, mucinous secretions. In the perianal skin visible single or multiple external orifice, red papillary bulge, squeeze can discharge a small amount of pus or purulent secretions. To seek medical attention in time, do anal care. Anal fistula is mostly due to anal sinus infection caused by anal muscle space purulent rupture after the formation of the pipeline. The main performance is around the anus appears crevasse, will intermittent out of blood or pus. They can see, individual anal fistula without external mouth will be manifested as frequent anal discharge or anal obvious wet feeling.