Hip dislocation can create other problems, particularly associated fractures such as femoral head fractures.
- Nerve injuries. Nerves can get crushed or stretched as the thigh bone is pushed out of the socket. This often occurs with posterior dislocations.
The most commonly affected nerve is the sciatic nerve which runs down the lower back and along the back of the legs. Sciatic nerve injury may cause weakness in the lower leg and reduce knee, ankle, and foot movement.
- Osteonecrosis. Hip dislocations can cause tears in the blood vessels and nerves. If the blood supply to the bone is lost, the bone can die.
This may lead to osteonecrosis, otherwise known as avascular necrosis. This condition could further destroy the hip joint and arthritis.
- Arthritis. If protective cartilage becomes damaged, there is an increased chance of developing arthritis in the joint. Many with arthritis will eventually need a total hip replacement.
The average recovery time for hip dislocation is between 2 to 3 months. If there are additional fractures, then it may take longer.
Some of the rehabilitation period may require that you limit your hip movement for several weeks. Physical therapy will also help your recovery.