A member asked:

31 yr/ male. acute high creatinine, anemia, muscle pain. what cd be the cause? after so many tests doctors still confused ?

3 doctors weighed in across 2 answers

Myositis : Could be a lot of different ones. Your physician can help clarify. Polymyositis is not painful so i would look at vasculitis or infiltrative types like sarcoidosis. You may need a MRI and then a biopsy to make the diagnosis.

Answered 6/10/2014

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Kidney biopsy: You will need a kidney biopsy to know why creatinine is elevated.

Answered 12/10/2013

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