IBD over 25 yrs. Proven intolernace to Liada (rash & itching) now on tapering doasage of prednisone 10mg daily this week. Started Endocort this week and experiencing severe stomach pain, nausua and vomiting. Have an 3.7 + 4.0 aortic abdominal aneurysm. What effect will the vomiting have on it and should I stop taking it? The pain is intense.