I've been told to use 40mg for a week, then 20 mg for a week and 10 mg for the last 8 days. So 3 weeks in total.. I'm scared about the side. I was perscribed prednisone by a doctor and have a few questions Those that are familiar with steroids, is it true that they stunt growth and. Hey so I just got put on 40 mg of Prednisone for two weeks because of an ulcerative colitis flare up. I am now starting to taper 5 mg a week until. United States. Tryin' to bring a good man down. Someone correct me but prednisone is not injectable and only oral form. No way do you have to worry about all of the stuff I endured yet. Originally Posted by Illadelphia. Are you being weened off?