... sacroiliac pain is common in ankylosing spondylitis, a form of arthritis. one of the early symptoms is pain in the butt area which mimics sciatica and causes pain while walking. when i have SI pain, it also hurts to sit too because of the inflammation in the pelvic area. ... (3 replies)

... It is possible that a muscle injury has been overlooked and could be causing the pain. ... (2 replies)

... I have many problems but the one that is getting me down is that the top of my ilium on my right side is extremely painful it doesn't spasm it just hurts so bad that now I am starting to walk slouched over. Does anyone out there have this to? ... (3 replies)