Ads
related to: organic white tea side effects estrogen blockers mayo clinic for women pictures
Search results
Results From The WOW.Com Content Network
Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their biological effects in the body. They act by blocking the estrogen receptor (ER) and/or inhibiting or suppressing estrogen production .
[84] [85] [86] The preceding side effects of synthetic estrogens do not appear to occur in pregnant women, who already have very high estrogen levels. [84] This suggests that these effects are due to estrogenic activity. [84] Synthetic estrogens have markedly stronger effects on the liver and hepatic protein synthesis than natural estrogens.
Adverse effects can also occur in the urinary, central or peripheral nervous, or musculoskeletal systems. [35] A review of clinical trials studying bioidentical progesterone use found that it was ineffective in managing vasomotor symptoms of menopause, but had mild and self-limiting side effects. [36]
5α-Reductase inhibitors (5-ARIs), also known as dihydrotestosterone (DHT) blockers, are a class of medications with antiandrogenic effects which are used primarily in the treatment of enlarged prostate and scalp hair loss. They are also sometimes used to treat excess hair growth in women and as a component of hormone therapy for transgender ...
Anastrozole is used in the treatment and prevention of breast cancer in women. [7] The Arimidex, Tamoxifen, Alone or in Combination (ATAC) trial was of localized breast cancer and women received either anastrozole, the selective estrogen receptor modulator tamoxifen, or both for five years, followed by five years of follow-up. [13]
Side effects of estradiol valerate include breast tenderness, breast enlargement, nausea, headache, and fluid retention. [15] [13] [14] Estradiol valerate is an estrogen and hence is an agonist of the estrogen receptor, the biological target of estrogens like estradiol. [5] [4] [16] It is an estrogen ester and a prodrug of estradiol in the body.
As unopposed estrogen therapy (using estrogen alone without progesterone) increases the risk of endometrial hyperplasia and endometrial cancer in women with intact uteruses, estradiol is usually combined with a progestogen like progesterone or medroxyprogesterone acetate to prevent the effects of estradiol on the endometrium.
Levonorgestrel is a hormonal medication which is used in a number of birth control methods. [3] [7] It is combined with an estrogen to make combination birth control pills. [8]As an emergency birth control, sold under the brand names Plan B One-Step and Julie, among others, it is useful within 72 hours of unprotected sex.