Anal itching (and perianal itching) occurs around and near the anus, which is the opening for the bowels. Anal itching occurs more often in men, and, most of the time, no cause can be identified. An anal fissure is a deeper tear. Both conditions can cause anal itch, as well as painful bowel movements and bleeding. Anal Tumors: Rarely, benign or cancerous tumors in or around the anus may be a cause of anal itch. Anal itch may be related to anxiety or stress. Sometimes, the cause is unknown. Causes of Anal Leakage. Anal itching; Frequent urge to go I have off and on anal mucus that tends to come just after my cycle finishes.