Anal fissure (a small tear in the lining of the anal canal) Hemorrhoids (swollen and inflamed veins in your anus or rectum) Proctalgia fugax (fleeting pain due to rectal muscle spasm).
It can range from a mild ache that can get worse over time to pain that is bad enough to restrict daily activities. Anal pain has many causes, most of which are.
Sometimes, rectal pain is accompanied by other symptoms, such as itching and stinging. It's rarely serious, but getting to the root cause can.