Bursitis: Inflammation of the bursae can cause hip pain. The bursae are fluid-crammed sacs cushioning the hip joint. Trochanteric bursitis influences the bursa on the outside on the hip, whilst iliopsoas bursitis has an effect on the bursa on the inside. Treatment for hip osteonecrosis differs based upon the severity https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB