I've never used Entocort enemas, only the hydrocort enemas. They seem to help me within a few days. But, almost all of my inflammation/bleeding is in the lower rectal region. I don't think that the enemas help beyond the left side. Have you called your doctor?
--40 year old female, dx as UC in '04 (1st symptoms in '03), switched to Crohn's in '05, 1 fistula, crohn's colitis, limited to large intestine
--rejected (reaction/didn't work): Asacol, AZA, 6-MP, MTX, Remicade, Humira, prednisone
--stuck on methylprednisolone, tried Prochymal in Phase III study (can't wait til it's approved!)
--started Tysabri 3/21/08
--single mom to 10-year-old girl