Menostar (estradiol) is a skin patch used to prevent bone loss after menopause. It’s convenient to use because it’s a once-weekly patch, but it’s not a first-choice option for treating bone loss.
Menostar (estradiol) contains estrogen, which is a natural hormone in your body that helps keep your bones healthy. During menopause, your body makes less estrogen, which puts you at a greater risk for bone loss (osteoporosis). By adding or replacing estrogen, Menostar (estradiol) helps to lower that risk by preventing bone loss.
The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Contact your healthcare provider immediately if you experience any of the following.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
It's important to read the Patient Information before using Menostar (estradiol) to make sure you use it correctly.
Menostar (estradiol) can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
There's a higher risk of endometrial cancer, or cancer of the uterine lining, in people who use estrogen products alone, like Menostar (estradiol). The chances are higher in people who use Menostar (estradiol) for a long time. If you still have your uterus, you might also need to take another hormone called a progestin medication for 14 days every 6 to 12 months along with the patch to lower your risk. Progestin balances out estrogen's effects by slowing the growth of your uterine lining. Your healthcare provider might also test yearly samples of tissue from your body to make sure you don't have cancer. If you have abnormal vaginal bleeding that doesn't go away or keeps coming back, let your provider know because this can be a warning sign of uterine (endometrial) cancer.
There's a higher risk of developing breast cancer in people using Menostar (estradiol) both alone and with progestin, especially when taking the medications long term. Lower your risk by working with your healthcare provider to use Menostar (estradiol) over the shortest period of time. To help with early detection and to make sure there aren't any abnormal changes in your breasts, you can do monthly breast self-checks at home and yearly breast exams with your healthcare provider. Call your healthcare provider if you notice any abnormal changes or feel lumps, pain, or swelling in your breasts.
There's a higher risk for stroke, blood clots in the lungs (pulmonary embolism), and blood clots in the legs (deep vein thrombosis) in postmenopausal females who use Menostar (estradiol) alone or with progestin. Resting for long periods of time with no walking or activity can also raise the risk of blood clots. You might also have to stop taking Menostar (estradiol) at least 4 to 6 weeks before certain surgeries that can put you at a higher risk for blood clots. Ask your healthcare provider for guidance if you have an upcoming surgery. Seek emergency help right away if you have any signs of a blood clot in the legs (cramps, swelling, pain, or muscle tightness) and lungs (trouble breathing, chest pain, or cough). If you have any signs of a stroke, such as weakness or numbness of the arms, legs, or face on one side of the body, slurred speech, blurred vision, headache, dizziness, loss of balance, trouble walking, or confusion, get emergency help right away.
Menostar (estradiol) shouldn't be used alone or in combination with progestin to lower the chances of heart disease. Chances of having a heart attack are higher in postmenopausal females who use Menostar (estradiol) alone or with progestin. If you have any signs of a heart attack, such as chest pain, chest tightness, trouble breathing, nausea, vomiting, dizziness, sweating, or a fast heartbeat, get emergency help right away.
Menostar (estradiol) shouldn't be used to lower the risk of dementia. The chances of developing dementia are higher in people over the age of 65 who use Menostar (estradiol) alone or with progestin. If you or your loved one notices that you're becoming forgetful, confused, anxious, or are having a hard time making decisions or solving problems, let your healthcare provider know.
There's a higher risk of gallbladder problems in postmenopausal females using Menostar (estradiol), with some requiring surgery. Your body also mainly breaks down or metabolizes Menostar (estradiol) in the liver. For people with a history of liver problems (such as cholestatic jaundice), that have occurred with past estrogen use or during pregnancy, Menostar (estradiol) should be used carefully.
Talk to your healthcare provider if you have any gallbladder or liver conditions or if you notice symptoms, such as stomach pain or swelling, back pain, shoulder pain, dark urine, yellowing of your skin and eyes (jaundice), loss of appetite, nausea, or vomiting.
Using Menostar (estradiol) can lead to severely high calcium in people with breast cancer and in those whose cancer has spread to their bones. If your calcium is high, you might feel thirsty, have stomach pain, nausea, vomiting, constipation, bone pain, muscle weakness, or confusion. Tell your healthcare provider if you have any of these symptoms because you might have to stop using Menostar (estradiol).
Use Menostar (estradiol) with caution if you have low parathyroid hormone levels (hypoparathyroidism), which is a condition that affects the glands in the back of your neck and leads to low calcium in your body. Let your healthcare provider know if you have signs of low calcium such as burning or tingling of your fingers, toes, or lips, muscle pain, or confusion.
A blood clot that blocks part of your eye, known as retinal vascular thrombosis, can develop in people using estrogen products, like Menostar (estradiol). If you suddenly can't see out of one or both eyes or if you have bulging eyes, double vision, or migraines, stop using Menostar (estradiol) and call your healthcare provider.
Menostar (estradiol) can raise triglyceride levels in your blood, which can lead to serious conditions like inflammation of the pancreas (pancreatitis). If you have a history of high triglycerides, which is a type of body fat that mostly comes from foods, try to make some dietary changes, like limiting salt and sugar, avoiding alcohol, and eating more fruits, vegetables, whole grains, lean meats, beans, and nuts. For more guidance on how to reduce your triglyceride levels, ask your healthcare provider.
Menostar (estradiol) can affect thyroid hormone levels in your blood. If you take medications for low thyroid hormone levels, you might require higher doses of thyroid replacement therapy. Your healthcare provider might have you perform regular blood tests to check your thyroid hormone levels.
Using estrogen products, like Menostar (estradiol), might cause some fluid retention, or edema, and the chances are higher in people who have heart conditions, like congestive heart failure, or kidney damage. If you notice unusual swelling in any part of your body or if you suddenly gain weight over a short period of time, let your healthcare provider know.
If you have certain conditions, such as asthma or diabetes, talk to your healthcare provider before using Menostar (estradiol) because estrogen products can worsen these conditions by either raising your blood sugar levels or causing asthma attacks.
The typical dose for Menostar (estradiol) is one patch per week applied to your lower stomach or upper buttocks.
Contraindications are specific health conditions or situations in which a person should not take a medication due to safety concerns. If you have any of the following conditions or if any of the following apply to you, let your healthcare provider know because Menostar (estradiol) will not be safe for you to take.
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Each Menostar patch slowly releases estrogen into your body every day for 1 week. You should apply a new patch every week, but if you forget and it’s been longer than a week, remove your old patch as soon as you remember and apply a new patch right away. Don't apply more than one patch at a time to make up for missed days or doses as this can lead to more side effects. If you forget to apply a new patch as scheduled or you stop using Menostar, you can have vaginal spotting, bleeding, or your symptoms might come back.
Remove your Menostar patch slowly and carefully so that you don't irritate your skin. You might have a very small amount of glue remaining on your skin after removing the patch. If you do, let that area dry off for at least 15 minutes. Afterward, gently rub the area with an oil-based cream or lotion to help remove the glue from your skin.
Swimming or showering while wearing a Menostar patch hasn't been studied, but these activities can cause the patch to fall off or stick to your skin less. If this happens, the patch won’t work as well because your body absorbs less of the medication. Be careful while swimming by making sure your patch is well secured to your skin.
If your Menostar patch falls off for any reason, try to reapply it. If you can't, use a new patch on another area of your skin and continue to follow your original application schedule by applying another patch at your scheduled time.
There's a higher risk for certain types of cancers, such as uterine (endometrial) and breast cancer, in people who take Menostar for a long time. Discuss options for lowering your risk with your healthcare provider. If you have vaginal bleeding that isn't going away, let your provider know because that could be a sign of endometrial or ovarian cancer.
Although all of these patches contain estradiol, they each have different amounts of estradiol and are used to treat different conditions. Menostar is only used to prevent bone loss (osteoporosis). Along with preventing bone loss, Climara and Alora also treat many menopause symptoms, such as vaginal dryness and burning, hot flashes, and night sweats. While Menostar and Climara are used once weekly, Alora can be used twice weekly. Discuss your symptoms with your healthcare provider to decide which patch is best for you.