Compare Prempro vs. Estradiol Norethindrone

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Prempro (Conjugated Estrogens / Medroxyprogesterone Acetate)

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Relieves menopause symptoms and lowers your risk of osteoporosis.

Activella (Estradiol / Norethindrone) is effective at treating symptoms related to menopause and preventing bone loss. The estrogen/progestin combo is a good options for women with an intact uterus.

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  • Activella (Estradiol / Norethindrone) replenishes estrogen to your whole body and relieves multiple symptoms due to low estrogen (hot flashes, night sweats, vaginal dryness).
  • Good choice for women with intact uterus. The norethindrone (a progestin) protects against the risk of cancer in the uterus from estrogen treatment.
  • Lowers your risk of fractures by keeping your bones healthy. Make sure you also get enough calcium and Vitamin D.
  • Improves mood, energy, and mental alertness for some people.
  • Mimvey brand is less expensive than other estrogen/progestin combination medicines.
No information currently available
  • More potential side effects since it exposes your whole body to two hormones, estrogen and norethindrone (a progestin).
  • Increases your risk of developing blood clots and stroke.
  • You may get irregular bleeding and spotting that can last a few months to a year.
Used for
  • Menopause - Moderate to severe abnormal vasomotor function Menopause - Moderate to severe vaginal atrophy - Moderate to severe vulvar atrophy Postmenopausal osteoporosis
  • In women with an intact uterus; Prophylaxis
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Prevention of postmenopausal osteoporosis
Dosage forms
  • Pill
  • Pill
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Side effects
The Prempro (Conjugated Estrogens / Medroxyprogesterone Acetate) FDA package insert doesn’t have numbers about how common side effects are.
10possible side effects
  • Breast Pain
  • Upper Respiratory Tract Infection
  • Headache
  • Sinusitis
  • Back Pain
  • Insomnia
  • Post-Menopausal Bleeding
  • Uterine Fibroid
  • Infection Viral
  • Moniliasis Genital
See more detailed side effects
Risks and warnings
No information currently available
  • Endometrial cancer

    Using estrogen for more than one year

  • Breast cancer

    Personal or family history of breast cancer

    ...and 1 more risk factors

  • Increased risk of blood clots and stroke

    Personal or family history of blood clots

    ...and 2 more risk factors

  • Harm to fetus

    Women of childbearing age

  • Pancreas swelling (pancreatitis)

    High levels of triglycerides

  • Ovarian cancer

    Family history of ovarian cancer

See more detailed risks and warnings