A patient who has been on steroid enemas for over 3 weeks definitely needs to taper off them so that the endocrine system can readjust, especially adrenal glands.
Read the enema package insert then consult your pharmacist & gastro for more specific recommendations. I got off mine thru alternating nights to start for a couple weeks, then every 2 nights for a week, then 2 per week, etc. / Old Hat (nearly 30 yrs with left-sided UC ... [etc.])