Several causes: Whether your medications are contributing depends on what you are taking, and what conditions you are taking them for. Avascular necrosis (avn) can be caused by trauma, by medications such as prednisone, by chronic alcoholism, and by many illnesses such as lupus or sickle cell anemia. Your doctor can help you determine what may have caused the avn.
Answered 6/9/2013
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
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