Fareston
Generic name:toremifene [ tor-EM-i-feen ]
Drug classes:Hormones / antineoplastics, Selective estrogen receptor modulators
What is Fareston?
Fareston is used in postmenopausal women to treat metastatic breast cancer (cancer that has spread to other parts of the body). Your doctor may test your tumor before prescribing this medicine.
Fareston may also be used for purposes not listed in this medication guide.
Warnings
You should not use Fareston if you have a history of long QT syndrome, or low levels of potassium or magnesium in your blood.
Fareston can cause a life-threatening heart rhythm disorder. Stop using this medicine and call your doctor at once if you have: fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness.
Before taking this medicine
You should not use Fareston if you are allergic to it, or if you have:
long QT syndrome; or
an uncontrolled electrolyte imbalance (low levels of potassium or magnesium in your blood).
Tell your doctor if you have ever had:
high levels of calcium in your blood (hypercalcemia);
endometrial hyperplasia (overgrowth of cells lining the uterus);
long QT syndrome (in you or a family member);
bone cancer; or
a blood clot.
Fareston may increase your risk of developing a condition that can lead to uterine cancer. Talk to your doctor about your individual risk. Report any unusual vaginal bleeding right away.
Fareston is for use only in women who can no longer get pregnant. Fareston can harm an unborn baby. Do not use if you are pregnant. Use effective birth control if you are not past menopause. Tell your doctor if you think you may be pregnant.
Fareston can make hormonal birth control less effective, including birth control pills, injections, implants, skin patches, and vaginal rings. To prevent pregnancy while using this medicine, use a barrier form of birth control: condom, diaphragm, cervical cap, or contraceptive sponge.
You should not breastfeed while using Fareston....
