Question for those with Crohns Disease?

Okay, so I have been diagnosed with Crohns Disease and we are waiting for a second opinion from Boston now. I have been put on Prednisone and Asacol for now. First question- Will the Prednisone put weight on me and how much, how fast? Second- The Asacol has some serious side effects also including hair loss, has anyone taking this and lost any hair? If I start losing hair they had better get me something else, already lost my hair once due to chemo, not going through that again. Anyone with Crohns have any other info for me about the disease or medications?