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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Finished Taking Tamoxifen For Breast Cancer. Bleeding. Progesterone Shot Taken. How Long Will It Take To Be Normal?

I am 52. I just finished 5 years of tamoxifen for breast cancer. I began bleeding. My gynocogist prescribed a short dosage of progesterone and I finished that 2 days ago. An ultrasound and biopsy of the uterus was benign, though the lining was thickened. I am now bleeding heavily and have a pretty significant headache. Is this anything to be concerned about? How long should I expect the heavy bleeding to last? Thank you.
Thu, 2 May 2013
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Oncologist, Radiation,  's  Response
Hello
Welcome to healthcaremagic
Tamoxifen can cause endometrial hyperplasia in upto 50% of woman using it. It is reassuring to know that your biopsy was benign. Tamoxifen can cause endometrial cancer in a very small number of patients.

Hyperplasia induced by estrogen therapy responds well to progestin treatment .If you are having frequent and heavy bleeding you should consult your gynaecologist regarding D&C procedure.

Headache is also common side effect of tamoxifen ,but since you've completed your course of tamoxifen you need not worry about that,
Reagrds
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Finished Taking Tamoxifen For Breast Cancer. Bleeding. Progesterone Shot Taken. How Long Will It Take To Be Normal?

Hello Welcome to healthcaremagic Tamoxifen can cause endometrial hyperplasia in upto 50% of woman using it. It is reassuring to know that your biopsy was benign. Tamoxifen can cause endometrial cancer in a very small number of patients. Hyperplasia induced by estrogen therapy responds well to progestin treatment .If you are having frequent and heavy bleeding you should consult your gynaecologist regarding D&C procedure. Headache is also common side effect of tamoxifen ,but since you ve completed your course of tamoxifen you need not worry about that, Reagrds