Compare Premarin vs. Climara

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

Treats low estrogen, relieves menopause symptoms, and lowers your risk of osteoporosis.

Premarin (Conjugated Estrogens) relieves menopausal symptoms and prevents bone loss. It's an oral hormone replacement, so it can have a lot of side effects, and it's important to think through the benefits and potential hassles of this drug before using it.

3.5/ 5 average rating with 154 reviewsforPremarin
Treats low estrogen, relieves menopause symptoms, and lowers your risk of osteoporosis.

Climara (estradiol patch) is a treatment for low estrogen that is used only once weekly, and it may have fewer side effects than oral estrogen pills.

Upsides
  • Premarin (Conjugated Estrogens) 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 take enough calcium and Vitamin D.
  • Improves mood, energy, and mental alertness for some people.
  • Does not expose your partner to estrogen during sexual acitivities like vaginal estrogen creams.
  • Can help relieve symptoms of prostate cancer or advanced breast cancer in some people.
  • Climara (estradiol patch) replaces estrogen to your whole body and relieves many symptoms due to low estrogen, like hot flashes and vaginal dryness.
  • The patch is good for people who don't want to or can't take daily pills.
  • Climara (estradiol patch) is available as a generic product, which lowers the cost.
  • By using a patch instead of a pill, there's a lower risk of side effects such as blood clots and stroke since lower amounts of estrogen are used in patches.
  • Lowers your risk of fractures by keeping your bones healthy.
Downsides
  • More potential side effects than estrogen creams since it exposes your whole body to estrogen.
  • Increases your risk of uterine and breast cancer.
  • If you have your uterus, you have to take Premarin (Conjugated Estrogens) with another hormone called progestin to lower your risk of uterine cancer.
  • Increases your risk of developing blood clots and stroke.
  • Can't be used in people with liver problems.
  • Can be expensive since it's only available as a brand name product.
  • The patch can fall off, especially if you like to regularly swim, take baths or use saunas or steamrooms.
  • Increases your risk of uterine and breast cancer.
  • If you have your uterus, you have to use the Climara (estradiol patch) with another hormone called progestin to lower your risk of uterine cancer.
  • Can worsen other health conditions, like high cholesterol, asthma, diabetes, fluid retention, underactive thyroid and migraines.
  • If you're only having vaginal dryness or inflammation and not hot flashes, it's better to use creams that you can apply to the affected area instead of Climara (estradiol patch).
Used for
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Low estrogen
  • Primary ovarian failure
  • Prevention of postmenopausal osteoporosis
  • Metastatic breast cancer
  • Advanced prostate cancer
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Low estrogen
  • Ovarian failure
  • Prevention of postmenopausal osteoporosis
Dosage forms
  • Pill
  • Patch
Price
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Reviews
154 reviews so far
50%
saidit'sworth it
43%
saiditworked well
11%
saidit'sa big hassle

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Side effects
28possible side effects
  • Headache
    13%
  • Abdominal pain
    9%
  • Breast pain
    7%
  • Nausea
    5%
  • Asthenia
    4%
  • Back pain
    4%
  • Pain
    4%
  • Flatulence
    4%
  • Insomnia
    4%
  • Leukorrhea
    4%
  • Vaginal moniliasis
    4%
  • Leg cramps
    3%
  • Depression
    3%
  • Pruritus
    3%
  • Vaginitis
    3%
  • Pelvic pain
    2%
  • Hypertension
    2%
  • Diarrhea
    2%
  • Dyspepsia
    2%
  • Weight gain
    2%
  • Emotional lability
    2%
  • Hypertonia
    2%
  • Acne
    2%
  • Alopecia
    2%
  • Breast enlargement
    2%
  • Breast neoplasm
    2%
  • Cervix disorder
    2%
  • Vaginal hemorrhage
    2%
See more detailed side effects
16possible side effects
  • Breast pain
    28%
  • Lung infection
    17%
  • Stomach pain
    16%
  • Headache
    13%
  • Pain
    11%
  • Swelling of arms and legs
    10%
  • Back pain
    9%
  • Depression
    8%
  • Gas
    7%
  • White or yellow vaginal discharge
    7%
  • Sore throat
    7%
  • Nausea
    6%
  • Stuffy nose
    6%
  • Joint pain
    5%
  • Sinus infection
    5%
  • Itchiness
    3%
See more detailed side effects
Risks and risk factors
  • Endometrial cancer
    • Using estrogen for more than one year
  • Breast cancer
    • Personal or family history of breast cancer
    • Duration of use
  • Increased risk of blood clots and stroke
    • Personal or family history of blood clots
    • Obesity
    • Systemic lupus erythematosus (SLE)
  • Increased risk of heart disease
    • Smoking
    • Obesity
    • High blood pressure
    • High blood sugar
    • High cholesterol
    • Age 50 or older
  • Memory loss
  • Gallbladder problems
  • Serious allergic reaction
    • Prior severe allergic reaction to Premarin (Conjugated Estrogens)
  • Harm to fetus
    • Women of childbearing age
  • Pancreas swelling (pancreatitis)
    • High levels of triglycerides
See more detailed risks and warnings
  • Endometrial cancer
    • Using estrogen for more than one year
  • Breast cancer
    • Personal or family history of breast cancer
    • Using estrogen for more than one year
  • Increased risk of blood clots and stroke
    • Personal or family history of blood clots
    • Smoking
    • Obesity
    • Systemic lupus erythematosus (SLE)
  • Increased risk of heart disease
    • Smoking
    • Obesity
    • High blood pressure
    • High blood sugar
    • High cholesterol
    • Age 50 or older
  • Dementia
    • Age 65 or older
  • Pancreas swelling (pancreatitis)
    • High levels of triglycerides
See more detailed risks and warnings