An anal fistula is a small tunnel that develops between the end of the bowel and the skin near the anus (where poo leaves the body). They’re usually the result of an infection near

Piles (haemorrhoids) are lumps inside and around your bottom (anus). They often get better on their own after a few days. There are things you can do to treat and

An anal fissure is a tear or open sore (ulcer) that develops in the lining of the large intestine, near the anus. Anal fissure symptoms The most common symptoms of anal