Embarrassingly question what causes recital pain ? for years once in a blue moon i get. like a sharp horrible pain like. in rectom.

Anal fissure: Anal fissure is very common and it can cause sharp pain see a proctologist.

See your doctor: The rectal pain may be due to provtalgia fugax , which afeects 6%of americans , more common in women and patients younger than45, cause is not known but believed due to spasm of anal sphincter spasm of levatoor ani muscles which support and surround the anus fistula in ano&hemorroids will give you more frequent rectal pain while moving your bowels rare causes inflammatory bowel disease and proctiti.