Pseudogout Pseudogout is a type of arthritis similar to gout, where crystals form in the joints, causing swelling and pain. Hip (acetabular) labral tear A torn labrum can cause hip or groin pain; feeling like the hip is locking, catching or clicking, and more. Lupus (systemic lupus erythematosus) Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.