I cant imagine starting college with UC and being on Pred. on top of it- I really feel for you!! I am on it right now too and it is definitely a brutal drug.
You will be off of it soon! In the meantime one thing that has really helped me is watching my sodium intake like crazy (The moon face comes from water retention- Sodium also causes this water retention). I stopped salting my food altogether, stopped drinking soda, really watching the salty snacks, etc. Yes, its tough to cut these things out, but it is a temporary change and might be worth it if the moonface goes away or even lessens!! I ended up not really getting the moon face, although I do notice it a little bit at night after a long day!
Hope this helps. I'll keep my fingers crossed for you! :)
DX: UC (Proctitis) January 2009 (age 24)
Status: Currently in flare since Aug 2008 without remission
Medications: Prednisone (tapering), Canasa, anticipating Dipentum after round of Prednisone,
Flagyl, Cipro, Align (probiotic), Cortisone Enema, Lialda,
Testing the spinach & sunflower diet (so far so good!), and coconut oil (not so good!)