This is my first time ever taking presnisone, Im taking it short term for an allergic reaction (30 ml daily for 3 days). I've noticed so many more benefits aside from the limb weakness, it gave me over all energy, my back pain and cramped back muscles diminished completely, I haven't felt this great and lively in years !! I can even touch my toes today for the first time in my life, even as a child I was never able to touch my toes, its so strange. Could it be possible that whatever is in prednisone I am lacking naturally in my body, or are these also common side effect?