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Common Brand Name(s): Osphena
This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
Ospemifene may increase your risk of uterine cancer. Tell your doctor right away if you develop changes in menstrual period, unusual vaginal bleeding/discharge, or pain/pressure below your "belly button" (navel).
Ospemifene may rarely cause serious blood clots to form in the legs or lungs. Tell your doctor if you have a history of blood clots (such as deep vein thrombosis, pulmonary embolism). Also talk to your doctor about risk factors for developing strokes (sometimes fatal) while taking this medication. Some risk factors include tobacco use, alcohol use, having high cholesterol/diabetes, or a history of heart disease. Talk to your doctor about these risks and the benefits of using ospemifene.
This medication is used to treat painful sexual intercourse and vaginal dryness in women after menopause. Painful intercourse and vaginal dryness are symptoms of changes in and around your vagina, due to menopause.
This drug is different from hormones (including estrogens and progestins). It works by acting like estrogen in some parts of the body. Ospemifene belongs to a class of drugs known as selective estrogen receptor modulators (SERM).
Read the Patient Information Leaflet if available from your pharmacist before you start taking ospemifene and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with food as directed by your doctor, usually once daily.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.
Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the tablets.
Tell your doctor if your condition does not improve or if it worsens.
See also Warning section.
Hot flashes, vaginal discharge, muscle spasms, and sweating may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
This medication may rarely cause blood clots (such as pulmonary embolism, stroke, heart attack, deep vein thrombosis). You may be at increased risk for blood clots if you are severely dehydrated, or have a history of blood clots, heart/blood vessel disease, heart failure, stroke, or if you are immobile (such as on very long plane flights or being bedridden). Before using this medication, if you have any of these conditions report them to your doctor or pharmacist. Get medical help right away if any of these side effects occur:
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
See also Warning and Side Effects sections.
Before taking ospemifene, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
Tell your doctor if you just had or will be having surgery or if you will be confined to a bed or chair for a long time (such as a long plane flight). These conditions increase your risk of getting blood clots. You may need to stop this medication for a time or take special precautions.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
This medication must not be used during pregnancy. It may harm an unborn baby. If you become pregnant or think you may be pregnant, tell your doctor right away.
It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include:
Other medications can affect the removal of ospemifene from your body, which may affect how ospemifene works. Examples include fluconazole, rifampin, among others.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Alberta residents can call PADIS (Poison and Drug Information Service) 24 hours a day at 1-800-332-1414. Canada residents can call a provincial poison control center.
Do not share this medication with others.
You should have a complete physical examination, breast and pelvic examination, and PAP test (for vaginal cancer) as directed by your doctor, usually at least once a year. You should also have periodic mammograms as determined by your doctor. Follow your doctor's instructions for examining your own breasts. Report any unusual vaginal bleeding, breast pain, or lumps right away. Keep all medical and lab appointments. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
If you have questions about missing a dose or you don't have more medication, contact your healthcare provider or pharmacist.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Information last revised January 2023.
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