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Menopause  (Expert Forum)
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Why doesn't Prometrium work with me?
Answered by
Machelle Seibel, MD - Women's Health, menopause, ReproductiveMedicine
University of Massachusetts Medical School MA
Questions in the Menopause forum are answered by Dr. Machelle Seibel. Topics covered include menopause issues, depression, hormone replacement therapy , hot flashes, joint or muscle problems, memory problems, mood swings, osteoporosis , sexual problems, skin changes, sleeping problems, vaginal problems, and weight problems.

Why doesn't Prometrium work with me?

by heart2heart, Jul 31, 2006 12:00AM
To make a long story short, I'm a 54 yo perimenopausal female with a long hx of DUB. I had my third D&C 2 months ago and I'm trying Prometrium AGAIN to regulate my periods.  I finished Prometrium 4 weeks ago but did not experience any withdrawal bleeding. Then 8 days ago the bleeding started and has not quit yet...here we go again.  This pattern has happened before and the bleeding drags on and on and can get quite heavy. I do not have any hyperplasia or polyps. I have a few fibroids but they are the size of little marbles (and who doesn't have fibroids?) What would my options be right now?  I don't want anything with estrogen (I have a hx of a TIA)

by Machelle Seibel, MD, Aug 07, 2006 12:00AM
A. Perimenopausal bleeding can be a real nuisance for women and it sounds like your situation is no exception.  And nobody wants to have multiple D&C’s.  The good news is that you do not have any hyperplasia or polyps.  Sometimes doing a hysteroscopy where a small telescope is placed into the uterus, will identify an area that is causing the problem but is missed by the “blind” scraping that takes place with a D&C.

Estrogen combined with progesterone would likely solve the problem but you are uncomfortable with the risk of taking estrogen which is understandable.

Another possible treatment is with a progesterone IUD such is Mirena.  It goes into the uterus and secretes progesterone locally.  That can often be helpful in such cases as yours. Also, taking a different progesterone that is stronger either as a higher dosage of Prometrium, or another progestin such as megace 20 to 40 mg daily can often help.
Machelle M. Seibel, MD
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