I was on prednisone for a reaction to a medication that caused tinnitus, not for my RSD.

My doctor prescribed it with much caution because of my history of RSD. RSD causes de-mineralization of the bones and I now have osteoporosis in my left foot. Prednisone is known to cause osteoporosis with long term use so it was not seen as an appropriate drug option for me.

Check out wikipedia for more information on this drug http://en.wikipedia.org/wiki/Prednisone

I would proceed with caution with this one if I were you.

MsL