Mu Mum Is 82 Yr. Old With Copd @ Oxygen.

mu mum is 82 yr. old with copd @ oxygen. recently they put her @ pregnazone & she had a phychotic mental break which i called primary dr. now she @ steroids which they r weaning her from by sunday......BUT: she is bouncing off the walls, not sleeping, living & talking about the past. i know it;s the steroids but she doesn't believe me.......she sees her primary dr. tomorrow @ noon......i want her to never be @ steroids as I legally her medical surrogate @ FL.....CAN SHE LIVE WITHOUT STEROIDS?