Anal pressure while sleeping

Letter from the Editor: For some people with proctalgia fugax, they may experience severe muscle cramps in their anal canal. More in Features Social Media and Adolescents: The anus is the opening at the end of the digestive tract where stool leaves the body. An episode may be relieved by the passage of gas or a bowel movement or by a mild pain reliever such as aspirin. Anal surgery is a predisposing risk. An unexpected source of acute onset rectal pain.