[LITTLEMAGS]

predisone is a corticosteroid hormone (glucocorticoid). It decreases your immune system's response to various diseases to reduce symptoms such as swelling and allergic-type reactions. Your BM's MIGHT be from it but it might be from what you had or have. I assume you took it to cure an infection of some sort??
IF you are taking it and going to the gym you are doign MORE harm than good. It is a powerful catabolic agent