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estrogen/thyroid meds relationship
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estrogen/thyroid meds relationship

Hi,
  I am 42 years old and have recently begun HRT 4 months ago due to menopausal symptoms (night sweats, painful sex, hot flashes, depression and major moodiness).  My FSH was 54, estradiol was 19, progesterone was .4.  My periods started getting more irregular around age 38 (19 days all the way to 98 days apart never consistent!).  I went to see a private doctor outside of my medical group that prescribes bio-identical compounded hormones because I did not want to take PremPro or low dose BCP.  In addition to the hormone panel we tested TSH, FT4 and FT3 and thyroid antibodies. I have thyroid anitbodies and a TSH of 4.57, low range FT3 (2.6)  FT4(1.2) so we began treatment for hypothyroidism as well as HRT for perimenopause (I am still cycling now and again).  I am taking 50mcg Synthroid and 7.5mcg Cytomel as wells as compounded estradiol/estriol gel, oral progesterone, and DHEA.

My question is regarding the relationship between estrogen medication, and thyroid medication.  When I increase one of those drugs (e.g. increase the Estrogen or increase the Cytomel), is it possible that I would need to increase the other? Or is the relationship reverse?

Based on symptoms I use more or less estrogen gel and also wonder if I should adjust thryoid meds at the same time (maybe take less Cytomel).  Or recently, we increased the Cytomel from 5 to 7.5 and was wondering if the Estrogen should have been increased...

Thanks!

Lucy

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4 Comments Post a Comment
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377600_tn?1225167036
Estrogen suppresses the thyroid.

You should talk to your doctor about this and have your thyroid medication adjusted--just google estrogen effects on thyroid and show it to your doctor.

Good luck.
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377600_tn?1225167036
FULL ARTICLE AT:
http://www.webmd.com/news/20010608/estrogen-therapy-warning-for-women-with-thyroid-disease

Estrogen Therapy Warning for Women With Thyroid Disease
By Jon Hamilton
WebMD Medical NewsReviewed by Gary D. Vogin, MDJune 8, 2001 -- Women who are taking thyroid hormone either to supplement a gland that doesn't make enough or to suppress thyroid cancer will need their blood tested regularly if they decide to take estrogen either to combat menopause-related symptoms or as birth control.


A new study reported in the June 7 issue of The New England Journal of Medicine finds that while the situation isn't necessarily dangerous, to the surprise of some doctors, some of these women could end up with low levels of thyroid hormone in their blood, which can trigger several unwanted side effects.


According to Baha M. Arafah, MD, the study's author, the problem can arise when estrogen therapy interferes with thyroid medication and reduces the amount of available thyroid hormone, or thyroxine, in the blood.


"People who have been on thyroid medication for years would assume that whatever problems they are having [when starting estrogen therapy] have nothing to do with the thyroid medication," says Arafah, associate professor of medicine and endocrinology at University Hospitals of Cleveland. "But that's not necessarily going to be true."


Arafah studied 25 menopausal women who were using thyroid hormone either for hypothyroidism, a condition in which the thyroid doesn't make enough thyroxine, or to suppress the regrowth of a thyroid cancer
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Avatar_n_tn
How do I join this community?  I wanted to read the full post from chigirl29 from Jan. 28, 2008 and wanted to inquire more about the estrogen thyroid relationship.  I'm having symptoms and need more information. Thanks.

adrianna
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440728_tn?1234648902
Hi, Can I suggest you post this question on the thyroid forum too. I am like you with a premature menopause and thyroid problem, and I have found a great deal of information and help from the thyroid panel too, they really know their stuff.
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