The following listing incorporates some medical problems (not exhaustive) typically associated with chronic pain: Sexually transmitted infections: sexually transmitted infections like Chlamydia or gonorrhoea can lead to reactive arthritis in some cases. It will also be baffling if you find yourself told “the scans are okay” or “the knee surgical procedures was profitable” but https://www.theorthopaedicandpainpractice.com/joint-pain-what-causes-it-and-what-are-some-treatments-offered/