Debra, the duration of the Pred taper depends on how much and how long you've been taking Pred. If you took Pred for more than a month and at doses over 50 mg/day, the length of the taper could take several months. I went from 75 mg/d to 5 in 18 months…
See http://neuromuscular.wustl.edu/mtime/mgrx.html
Maurice.