We are all different. I can eat anything and everything with no problem. Some ostomates end up having to restrict certain foods others don't. I wish I could offer you more help but I think you have already figured out what foods work for you and what foods to avoid. As for meds and fiber, I don't take either.
dx proctitis in 1987
dx UC in 1991, was stable until 1998
1998 started prednisone, asacol, pentasa, nortriptylene, ativan, 6MP, rowasa enemas and suppositories, hydrocortisone enemas, tried the SCD diet, being a vegetarian, omega 3s, flax, pranic healing, yoga, acupuncture, probiotics
2000 lost all my B-12 stores and became anemic
2001 opted for j-pouch surgery- now living life med-free