Compare Estradiol Norethindrone vs. Prefest

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

Activella
(estradiol / norethindrone)

Prefest
(estradiol / norgestimate)

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.
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Reviews & ratings
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Have you used Activella (estradiol / norethindrone)?
Worth itNot sureNot worth it

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Have you used Prefest (estradiol / norgestimate)?
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Side effects
Estradiol NorethindronePrefest
  • Breast pain 24%
  • Ear, nose, or throat infection 18%
  • Headache 16%
  • Sinus inflammation 7%
  • Sleep difficulty 6%
  • Back pain 6%
  • Post-menopausal bleeding 5%
  • Uterine fibroid 5%
  • Infection viral 4%
  • Moniliasis genital 4%
More Estradiol Norethindrone side effects »
  • Headache 23%
  • Upper respiratory-tract infection 21%
  • Breast pain 16%
  • Back pain 12%
  • Abdominal pain 12%
  • Flu-like symptomsa-like symptoms 11%
  • Joint pain 9%
  • Vaginal bleeding (all) 9%
  • Menstrual cramps 8%
  • Sinus inflammation 8%
More Prefest side effects »
How it works
Estradiol NorethindronePrefest
Activella (Estradiol / Norethindrone) contains two hormones that work to balance hormone changes in your body during and after menopause. Estradiol (an estrogen) reduces hot flashes and night sweats and prevents bone loss, but can also harm cells in the uterus after menopause. Norethindrone (a progestin) protects the uterus from damage.Prefest (Estradiol / Norgestimate) is a combination oral medicine that works to balance hormone changes in your body during and after menopause. Estradiol (an estrogen) reduces hot flashes and night sweats and prevents bone loss, but can also harm cells in the uterus after menopause. Norgestimate (a progestin) protects the uterus from damage.
Type of medication
Estradiol NorethindronePrefest
Prescription only
Prescription only
Available as
Estradiol NorethindronePrefest
  • Pill
  • Pill
Used for
Estradiol NorethindronePrefest
  • Hot Flashes And Night Sweats
  • Hot Flashes And Night Sweats
Risk factors for serious side effects
Estradiol NorethindronePrefest
  • Using estrogen for more than one year
  • Personal or family history of breast cancer
  • Duration of use
  • Personal or family history of blood clots
  • Obesity
  • Systemic lupus erythematosus (SLE)
  • Women of childbearing age
  • High levels of triglycerides
  • Family history of ovarian cancer
Detailed Activella (estradiol / norethindrone) risks & warnings »
  • Using estrogen for more than one year
  • Personal or family history of breast cancer
  • Duration of use
  • Personal or family history of blood clots
  • Obesity
  • Systemic lupus erythematosus (SLE)
  • Women of childbearing age
  • High levels of triglycerides
  • Family history of ovarian cancer
Detailed Prefest (estradiol / norgestimate) risks & warnings »
Pregnancy

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

Weight
Estradiol NorethindronePrefest
  • Can cause nausea, dizziness, bloating, and breast tenderness.
  • Activella (Estradiol / Norethindrone) is a mixture of estrogen and progestin. It could cause a higher risk of ovarian cancer, especially if you have a family history of it. Your doctor can help you weigh the risks versus the benefits of this medication.
  • Can cause nausea, dizziness, bloating, and breast tenderness.
  • Prefest (Estradiol / Norgestimate) is a mixture of estrogen and progestin. It could cause a higher risk of ovarian cancer, especially if you have a family history of it. Your doctor can help you weigh the risks versus the benefits of this medication.
Upsides and benefits
Estradiol NorethindronePrefest
  • 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 and risks
Estradiol NorethindronePrefest
  • 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.
Tips from our pharmacists for people taking the medication
Estradiol NorethindronePrefest
  • Shouldn't be used forever. Talk to your doctor regularly to see if you still need treatment.
  • Can cause nausea, dizziness, bloating, and breast tenderness.
  • Tell your doctor about any unusual vaginal bleeding.
  • Get emergency care if you notice unexplained swelling and pain in your limbs, shortness of breath, chest pain, severe headache, or changes in vision.
  • Follow the dosing schedule exactly to take the estrogen-only and combination estrogen/progestin pills.
  • Shouldn't be used forever. Talk to your doctor regularly to see if you still need treatment.
  • Can cause nausea, dizziness, bloating, and breast tenderness.
  • Tell your doctor about any unusual vaginal bleeding.
  • Get emergency care if you notice unexplained swelling and pain in your limbs, shortness of breath, chest pain, severe headache, or changes in vision.
Learn more
More about Estradiol NorethindroneSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Activella (estradiol / norethindrone)?
Worth itNot sureNot worth it
More about PrefestSide effectsAlternativesFDA package insert
Have you used Prefest (estradiol / norgestimate)?
Worth itNot sureNot worth it