Osteonecrosis quiz

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Tomohiro Hamahata

Medically Reviewed By:

Tomohiro Hamahata, MD

Orthopedic surgery

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Learn more about Osteonecrosis

Content updated on Jun 1, 2022

What is osteonecrosis?

A condition where parts of bone are damaged and die out. It can be caused by direct injury to the bone (e.g. a fracture or dislocation), or indirect injury (e.g. alcohol, smoking, medications or radiotherapy).

Symptoms related to osteonecrosis

  • Taking steroids

  • Difficulty moving the joint(s)

  • Knee pain

  • Hip pain

Questions your doctor may ask to check for osteonecrosis

Your doctor may ask these questions to diagnose osteonecrosis

  • Are you currently taking steroids (e.g. Prednisolone, Hydrocortisone, Dexamethasone)?

  • Are your joints stiff and difficult to move?

  • Do you have pain in the knee(s)

  • Do you have pain in your hip joints?

Treatment for osteonecrosis

Treatment aims to prevent further bone damage and reduce pain. This is done through lifestyle changes like taking weight off the joint, avoiding strenuous activity, and avoiding alcohol, smoking, culprit drugs and other causes of bone damage. In some cases, a bone surgery or transplant may be advised.

View the symptoms of Osteonecrosis

Diseases related to Osteonecrosis


Tomohiro Hamahata

Medically Reviewed By:

Tomohiro Hamahata, MD

Orthopedic surgery

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