Avascular necrosis is associated with long-term steroid use and drinking too much alcohol. It's most common in people between the ages of 30 and 60 and often affects the hip.
Early stages may be symptom-free. Eventually, the affected joint may hurt when weight is put on it or when lying down.
Treatment includes physical therapy, surgery, and medications.
- bone infarction
Consult a doctor for medical advice
Sources: Mayo Clinic and others.
Fewer than 200,000 US cases per year
Treatment can help, but this condition can't be cured
Requires a medical diagnosis
Lab tests or imaging always required
Chronic: can last for years or be lifelong