There are many reasons for the pain in the upper left hip, and the common reasons are trauma, femoral head necrosis, synovitis of the left hip joint, rheumatoid arthritis of the left hip joint and so on.
1. Trauma: the left hip area may be traumatized due to external impact, which may result in contusion or fracture of the left hip bone, and then pain in the upper part of the left hip will occur.
2. Necrosis of the femoral head: the pain in the upper left hip may be caused by necrosis of the femoral head. The common clinical manifestations of necrosis of the femoral head include pain in the hip, buttock groin area, so necrosis of the femoral head can cause pain in the upper left hip.
3. Left hip synovitis: aseptic inflammation of the synovial membrane of the hip joint, often manifested as hip pain, swelling, activity limitation, etc., so the left hip synovitis will appear the phenomenon of left hip pain.
4. Left hip rheumatoid arthritis: generally there will be joint cavity swelling, which is often manifested as pain around the hip joint, so the left hip rheumatoid arthritis will also appear the phenomenon of left hip pain.
There are many other causes of left hip pain, including lumbar disc herniation and hip bone tumors and other diseases, it is recommended to go to the hospital in a timely manner to identify the cause of the disease and give targeted treatment.