Condition
An abnormal tunnel between the inside of the anus and the skin nearby, usually after an abscess.
Also called: fistula in ano, perianal fistula
General information, not medical advice. Ask a provider about anal fistula and what is right for you.
The information on this site is for general educational purposes only and is not medical advice, diagnosis, or treatment. Reading this site does not create a doctor–patient relationship. Always consult a qualified healthcare professional for personal guidance. If this is an emergency, call 911. Mentions of medications, devices, or procedures are informational and not endorsements. Full medical disclaimer.