I Have Had A Pain Approximately 2-4 Inches Above My

I have had a pain approximately 2-4 inches above my anus roughly around the area in which the tail bone is located. I assumed that everything was fine and perhaps I had bruised it during a fall or something along those lines but recently I had wiped and discovered blood which smelled of a foul odor which may or may not have been caused by my bowel movement. When I wipethe bblood still has the foul odor. The pain is still constant and feels as if nothing has changed despite the blood I found