Compare Fosamax vs. Climara

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

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Fosamax (alendronate)

Prescription only

Climara (estradiol patch)

Prescription only
Prevents bone loss.

Fosamax (alendronate) is a first-choice treatment for osteoporosis, but taking it can be a hassle.

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3.2/ 5 average rating with 169 reviewsforFosamax
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
  • First choice to treat osteoporosis
  • Lowers your risk of fractures due to osteoporosis.
  • Available generic.
  • Available as daily, weekly, or twice weekly dosing.
  • Comes as a regular tablet, an oral solution, or effervescent tablet.
  • 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
  • Can harm your esophagus if you don't remain upright for 30 minutes after taking it.
  • Not recommended for people who can't sit or stand upright for at least 30 minutes.
  • Can increase the risk of atypical fractures.
  • Can cause bad heartburn or stomach problems.
  • 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).
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Used for
  • Hot flashes and night sweats
  • Vaginal dryness and inflammation
  • Low estrogen
  • Ovarian failure
  • Prevention of postmenopausal osteoporosis
Dosage forms
  • Pill
  • Effervescent tablet
  • Liquid
  • Patch
Price
Lowest price
$220.93
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Lowest price
$28.86
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Reviews
169 reviews so far
43%
saidit'sworth it
30%
saiditworked well
19%
saidit'sa big hassle

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Side effects
1possible side effects
  • Abdominal pain
    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
  • Irritation and ulcers to the stomach and esophagus
    • Taking anti-inflammatory medicines like ibuprofen, and naproxen
    • History of ulcers or stomach or esophageal conditions
    • Difficulty swallowing
    • Problems sitting or standing for at least 30 minutes
  • Pain in the bones and muscles
  • Problems in the jaw bone
    • Oral or dental surgery
    • Cancer
    • Poor oral hygiene
    • Prolonged use of Fosamax (alendronate)
  • Leg bone fractures
  • Low calcium in the blood
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
Learn more about Fosamax (alendronate)
Learn more about Climara (estradiol patch)