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What should I discuss with my healthcare provider before taking tamoxifen (Soltamox)?
You should not use tamoxifen if you are allergic to it, or if you have:
To make sure you can safely take tamoxifen, tell your doctor if you have any of these other conditions:
Taking tamoxifen may increase your risk of uterine cancer, stroke, or a blood clot in the lung, which can be fatal. Talk with your doctor about your specific risks in taking this medication.
FDA pregnancy category D. Do not use tamoxifen if you are pregnant. It could harm the unborn baby. Use a barrier form of birth control (such as a condom or diaphragm with spermicide) while you are using this medication and for at least 2 months after your treatment ends.
Hormonal contraception (such as birth control pills, injections, implants, skin patches, and vaginal rings) may not be effective enough to prevent pregnancy during your treatment.
It is not known whether tamoxifen passes into breast milk or if it could harm a nursing baby. However, this medication may slow breast milk production. You should not breast-feed while taking tamoxifen.
How should I take tamoxifen (Soltamox)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Take this medication with a full glass (8 ounces) of water.
Tamoxifen can be taken with or without food.
If you are taking tamoxifen to reduce your risk of breast cancer, you may need to take your first dose while you are having a menstrual period. You may also need to have a pregnancy test before you start taking tamoxifen, to make sure you are not pregnant. Follow your doctor's instructions.
Use tamoxifen regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely. You may need to keep using this medication for up to 5 years.
To make sure this medication is not causing harmful effects, your doctor may want you to have mammograms and to perform routine breast self exams on a regular basis. Your liver function may also need to be tested. Visit your doctor regularly.
Store at room temperature away from moisture, heat, or cold. Do not freeze.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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