You might ask about low-dose naltrexone. Maybe it could be substituted for the prednisone. It has to be mixed at a pharmacy. It is not covered by insurance, but costs about $40 a month.
What form of colitis have you been diagnosed with? What meds are you on besides prednisone? What has your doc suggested?
Ulcerative colitis, also on a drug called Azathioprine 50 mg. prednisone40mg and sulferzalozine 3pills 3x a day plus Hydrocortizone suppository s.