I Have Microscopic Colitis... Tried Budesonide For Two Months, Now

i have microscopic colitis... tried budesonide for two months, Now control diarrhea somewhat with Imodium and peptic relief. What other medication would you suggest? I have very sensitive stomach and avoid cafeine and other foods that cause me pain. I also tried Chlorestrymine powder and had terrible stotmach pain. Then tried Colisted but didn't help.