Compare Estradiol Norethindrone vs. Femring

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

Activella
(Estradiol / Norethindrone)

Femring
(Estradiol Acetate Vaginal Ring)

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 hot flashes and vaginal dryness due to menopause. Femring (Estradiol Acetate Vaginal Ring) is a vaginal ring that may be less of a hassle than estrogen pills, gels, patches, or vaginal creams, but comes with the same side effects.
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Reviews & ratings
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Reviews for Femring (Estradiol Acetate Vaginal Ring)
37%
63% vs. Activella (Estradiol / Norethindrone)
13%
87% vs. Activella (Estradiol / Norethindrone)
17%
17% vs. Activella (Estradiol / Norethindrone)
Side effects
Estradiol NorethindroneFemring
  • Excessive vaginal bleeding 14%
  • Injury accidental 13%
  • Endometrial thickening 6%
  • Back pain 6%
  • Sinus inflammation 5%
  • Common cold 3%
  • Headache 3%
  • Weight increase 3%
  • "stomach flu" 2%
  • Other events 2%
More Estradiol Norethindrone side effects »
  • Breast tenderness 9%
  • Vaginal candidiasis 8%
  • Vaginal bleeding between periods 8%
  • Abdominal distension 4%
  • Uterine pain 4%
  • Urinary tract infection 2%
  • Sinus inflammation 2%
  • Back pain 2%
  • Headache 1%
More Femring side effects »
How it works
Estradiol NorethindroneFemring
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.Femring (Estradiol Acetate Vaginal Ring) is a vaginal ring that replaces estrogen hormones in your vagina that your body loses during menopause. Estrogen helps rebuild and maintain vaginal tissue, relieving symptoms of vaginal dryness, soreness, irritation, and painful sex.
Type of medication
Estradiol NorethindroneFemring
Hormone replacement
Estrogen
Progestin
Prescription only
Hormone replacement
Estrogen derivative
Prescription only
Available as
Estradiol NorethindroneFemring
  • Pill
  • Vaginal ring
Used for (click to learn more)
Estradiol NorethindroneFemring
  • Hot flashes and night sweats
  • Hot flashes and night sweats
Risk factors for serious side effects
Estradiol NorethindroneFemring
  • 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)
  • Smoking
  • Obesity
  • High blood pressure
  • High blood sugar
  • High cholesterol
  • Age 50 or older
  • Women of childbearing age
  • High levels of triglycerides
Detailed Femring (Estradiol Acetate Vaginal Ring) risks & warnings »
Pregnancy category
Estradiol NorethindroneFemring
XFDA pregnancy category (Unsafe)

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.

See the FDA package insert
XFDA pregnancy category (Unsafe)

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.

See the FDA package insert
Alcohol
No specific alcohol-related info.No specific alcohol-related info.
Food
No specific food-related info.No specific food-related info.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.
Sex
No specific sex-related info.
  • Femring (Estradiol Acetate Vaginal Ring) relieves vaginal dryness and irritation to make sex more enjoyable.
  • You don’t have to remove Femring (Estradiol Acetate Vaginal Ring) to treat a vaginal infection or have sex.
Sleep
No specific sleep-related info.No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.
Upsides and benefits
Estradiol NorethindroneFemring
  • 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.
  • Femring (Estradiol Acetate Vaginal Ring) relieves vaginal dryness and irritation to make sex more enjoyable.
  • Works locally in the vagina and doesn't expose the rest of your body to estrogen like pills do.
  • Good option for people who don't want to take oral pills.
  • Generally works well with fewer side effects.
  • Many women think Femring (Estradiol Acetate Vaginal Ring) is easy to insert and comfortable to use.
  • In a 12-week study, Femring (Estradiol Acetate Vaginal Ring) worked well to improve vaginal problems, reduced pain during urination, and sudden urges to urinate.
  • Femring (Estradiol Acetate Vaginal Ring) slowly releases estrogen over the 90 days the ring is in place, so you only have to remove and insert a new one every three months.
Downsides and risks
Estradiol NorethindroneFemring
  • 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.
  • Femring (Estradiol Acetate Vaginal Ring) may not be the best estrogen product if you have a narrow vagina or frequent vaginal infections.
  • The ring can fall out without you noticing it.
  • Increases your risk of endometrial (uterine cancer).
  • If you have your uterus, you might need to use Femring (Estradiol Acetate Vaginal Ring) with another hormone called progestin to lower your risk of uterine cancer.
  • Can be expensive since it's only available as a brand name product.
Tips from our pharmacists for people taking the medication
Estradiol NorethindroneFemring
  • 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.
  • Get emergency care if you notice unexplained swelling and pain in your limbs, shortness of breath, chest pain, severe headache, or changes in vision.
  • Tell your doctor about any unusual vaginal bleeding.
  • Insert the ring as deeply as possible into your vagina. You shouldn't feel the ring once it's inserted.
  • The ring is good for 90 days in your vagina. If it falls out before the 90 days are up, just clean it with warm water and reinsert.
  • You don’t have to remove Femring (Estradiol Acetate Vaginal Ring) to treat a vaginal infection or have sex.
  • It can take up to 2 to 3 weeks to feel the full benefits.
  • Most people don't have many side effects, but temporary nausea, dizziness, bloating, and breast tenderness are possible.
  • Tell your doctor about any unusual vaginal bleeding.
Learn more
More about Estradiol NorethindroneSide effectsReviews & ratingsAlternativesFDA package insert
More about FemringSide effectsReviews & ratingsAlternativesFDA package insert