Your danger of developing osteoarthritis with the shoulder with its pain and Actual physical limitations raises with age. But an injuries, for instance a dislocated shoulder, can cause shoulder osteoarthritis even in teenagers. Inflammatory Situations: Circumstances like rheumatoid arthritis or other autoimmune diseases could cause inflammation during the shoulder joint, https://www.theorthopaedicandpainpractice.com/i-have-shoulder-pain-do-i-have-shoulder-osteoarthritis/