J Arthroplasty 37 (6): 1074 - 1082, 2022. doi: 10.1016 / j. arth.2022.02.009 Treatment of Osteonecrosis Symptomatic measures (eg, rest, physical therapy, nonsteroidal anti-inflammatory drugs [NSAIDs]) Surgical decompression or other procedures to stimulate healing Hip replacement Nonsurgical treatments Small, asymptomatic lesions, especially those not in weight-bearing areas, may heal spontaneously and may not need treatment.