estradiol, Alora, Climara, Delestrogen, Depo-Estradiol, Divigel, Elestrin, Estrace, and Others

  • Pharmacy Author:
    Eni Williams, PharmD, PhD

    Dr. Eni Williams graduated from Creighton University in 1988 with a B.S. degree in pharmacy and a Doctor of Pharmacy from Howard University in 1994. She also obtained a Ph.D. in Public Policy in 2009 at the University of Maryland, Baltimore County.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

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GENERIC NAME: estradiol

BRAND NAME: Alora, Climara, Delestrogen, Depo-Estradiol, Divigel, Elestrin, Estrace, Estrasorb, Estrogel, Evamist, Femring, Menostar, Minivelle, Vivelle, Vivelle-Dot

DRUG CLASS AND MECHANISM: Estrogen is one of the major female hormones, the other one being progesterone. Estrogens occur in nature in several chemical forms. In women with active menstrual cycles, the ovaries produce between 70 and 500 micrograms of estradiol daily. This is converted to estrone and to a lesser extent estriol. After menopause, estrone made in the adrenal glands, is the most active circulating estrogen. Estrogens cause growth and development of female sex organs and maintain sex characteristics, including underarm and pubic hair and the shape of body contours and skeleton. Estrogens also increase secretions from the cervix and growth of the inner lining of the uterus (endometrium). Estrogens reduce LDL-cholesterol ("bad" cholesterol) and increase HDL-cholesterol ("good" cholesterol) concentrations in the blood. Estrogens, when taken alone or in combination with a progestin (progesterone), have been shown to reduce the risk for hip fracture due to osteoporosis by 25%.

PRESCRIBED FOR:

  • Estradiol is prescribed for symptomatic treatment of the usual symptoms associated with menopause (hot flashes, vaginal burning or dryness, etc.).
  • Prevention of bone fractures associated with osteoporosis, and dysfunctional (excessive and painful) uterine bleeding.
  • The vaginal cream is prescribed for vaginal or vulvar atrophy associated with menopause.
  • Estradiol also is prescribed for breast cancer and, in some cases prostate cancer.
Medically Reviewed by a Doctor on 12/10/2014

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