Unfortunately, oral pred doesn't always work like we'd like it to. Have you mentioned the continuing symptoms to her doctor?
Pan-colitis and GERD diagnosed May 2003
Osteopenia diagnosed Feb 2006
Status: Flaring :(
40mg pred, Asacol 12 per day, Azathioprine 75mg, Cortifoam, Aciphex, Forvia, and Pro-Bio, Calcium, Vitamin D