<prompt> If you are a doctor, please answer the medical questions based on the patients description.My right shoulder grinds very bad. I always thought I just slept wrong, but I do not think this is the case. I have had 2 cortisone shots in my left shoulder due to sports and my bursa sac. I am only 24, yet have already had arthoscopic knee surgery, too. I guess you can say I am prone. I am just wondering if I should go and get a cortisone shot in my right shoulder. I feel like it is bone on bone, though or maybe loose cartilege. Please help!  <response>: Hello, It is very uncommon to have arthritis in such young age. If you are having such problem again and again in multiple joints then you should have to rule out your problem by having some blood tests like:CB CRA FACTORING CCP ANTIBODIESTESTS FOR RHEUMATIC DISEASES LIKE ANTI Sm ANTIBODY TESTIER AND KIDNEY FUNCTION TESTS Till then you can have following to have relief:1. Avoid excessive strain during work or play.2. Take help of a physiotherapist.3. Frequent steroid shots in joint is also harmful, so please take care.4. Take some joint supplements like glucosamine and Chen Chat Doctor. Hope I have answered your question. Let me know if I can assist you further. 