See details: There are literally too many possible causes to list. See a rheumatologist to find out. I see you are taking plaquenil (hydroxychloroquine). If you are currently seeing a rheumatologist, ask him/her.
Answered 10/18/2016
4.7k views
200 varieties: 200 varieties of arthritis. At least 100 are non-inflammatory. Also bursitis, knee instabilty, internal derangements of knee.
Answered 10/18/2016
4.7k views
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