Look into this book (I know some people are anti-God but suck it up and get over it) http://makers-diet.net/ Its a great book with a diet made for crohns (if you hate God skip that part...) The advice is great and the author is a doctor with crohns and makes some of the best porbiotics that I...
I think the tired comes from the premeds... I was on remicade while in the Army and I was able to return to duty a few hours after getting the infusion. The only thing you should feel is the needle if the nurse is bad.