Appears that UC symptoms have gotten worse since starting treatment. Again, praying for a miracle now that she is starting Prednisone.
So sorry to hear about
what your daughter is going through.
Prednisone is a powerful anti-inflammatory that works for most people.
U.C. is NOT a progressive disease (unlike MS for example), it is a flare/remission disease. Keep in mind that the vast majority of U.C. sufferers have a good outcome in the end. It can just be rough getting there and finding what works.
I'm sure this is hard on you emotionally. Try to stay strong and positive for her, and let her know she will be OK even though things seem bleak now.