Causes

Causes of anal pain include:

• Anal cancer
• Anal fissure (a small tear in the lining of the anal canal)
• Anal fistula (an abnormal channel between the anus or rectum usually to the skin near the anus)
• Anal itching (pruritus ani)
• Anal or rectal stricture (narrowing that may occur from scarring, severe inflammation or cancer)
• Anal sex
• Coccydynia or coccygodynia (tailbone pain)
• Constipation
• Crohn's disease (a type of inflammatory bowel disease)
• Diarrhea (causing anal irritation)
• Fecal impaction (a mass of hardened stool in the rectum due to chronic constipation)
• Genital warts
• Hemorrhoids (swollen and inflamed veins in your anus or rectum)
• Levator ani syndrome (spasm in the muscles that surround the anus)
• Perianal abscess (pus in the deep tissue around the anus)
• Perianal hematoma (a collection of blood in the perianal tissue caused by a ruptured vein, sometimes called an external hemorrhoid)
• Proctalgia fugax (fleeting pain due to rectal muscle spasm)
• Proctitis (inflammation of the lining of the rectum)
• Solitary rectal ulcer syndrome (ulcer of the rectum)
• Thrombosed hemorrhoid (blood clot in a hemorrhoid)
• Trauma
• Ulcerative colitis (a type of inflammatory bowel disease)
• Ulcerative proctitis (a type of inflammatory bowel disease)