I posted the post below
on a similar question:
King of the Toilet said...
There is a note that might be relevant on the instructions of my corticosteroid enema (colifoam):
After prolonged use of at least 10-15 days, you might notice a temporary decrease or loss of the effectiveness of corticosteroids (especially the fluorinated) due to tachyphylaxis. The phenomenon will be restored after pausing the use for several days or weeks.
I have also experienced the same.