I don't know what a "herbal MSM" is. Plaquenil is the medication used to help inhibit Lupus, Prednisone is one of the steroidal anti-inflammatory meds used to decrease inflammation (& this pain).
Do you see a rheumotologist? Have you been diagnosed with Lupus?
I don't recall seeing anyone restricted to a subset of the normal Lupus meds (plaquenil, prednisone, cellcept, imuran, mtx) because of coumadin -- however if you are going to try non-traditional medicine be sure to consult your coumadin prescriber to make sure you don't end up in trouble.
With more information perhaps we can generate more suggestions.
Lynnwood, Lupus & Sjogren's Moderator, Dx: 2002DIAGNOSING LUPUS & LUPUS RESOURCES
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