Compare Estradiol Norethindrone vs. Prefest

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

Activella (Estradiol / Norethindrone)

Prescription only
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.

Relieves menopause symptoms and lowers your risk of osteoporosis.

Prefest (Estradiol / Norgestimate) is effective at treating symptoms related to menopause and bone loss. It has a difficult dosing schedule to follow, but doesn't affect your cholesterol and triglyceride levels as much as other estrogen products.

Upsides
  • 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.
  • Prefest (Estradiol / Norgestimate) replenishes estrogen to your whole body and relieves multiple symptoms due to low estrogen (hot flashes, night sweats, vaginal dryness).
  • 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.
  • Good for women with an intact uterus. The norgestimate (a progestin) protects against the risk of cancer in the uterus caused by estrogen treatment.
  • Doesn't affect your cholesterol levels as much as other estrogen treatments.
Downsides
  • 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.
  • More potential side effects since it exposes your whole body to two hormones, estrogen and norgestimate (a progestin).
  • Dosing schedule can be hard to follow with the 2 different kind of pills (estrogen-only and estrogen/progestin pills).
  • 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
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Prevention of postmenopausal osteoporosis
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Prevention of postmenopausal osteoporosis
Dosage forms
  • Pill
  • Pill
Price
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$39.12
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$125.41
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Side effects
10possible side effects
  • Breast Pain
    24%
  • Upper Respiratory Tract Infection
    18%
  • Headache
    16%
  • Sinusitis
    7%
  • Back Pain
    6%
  • Insomnia
    6%
  • Post-Menopausal Bleeding
    5%
  • Uterine Fibroid
    5%
  • Infection Viral
    4%
  • Moniliasis Genital
    4%
See more detailed side effects
10possible side effects
  • Headache
    23%
  • Upper respiratory-tract infection
    21%
  • Breast pain
    16%
  • Back pain
    12%
  • Abdominal pain
    12%
  • Influenza-like symptoms
    11%
  • Arthralgia
    9%
  • Vaginal bleeding (all)
    9%
  • Dysmenorrhea
    8%
  • Sinusitis
    8%
See more detailed side effects
Risks and warnings
  • 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
  • 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