What is Fareston (Toremifene)?

Toremifene blocks estrogen from reaching cancer cells. Certain types of breast cancer require estrogen to grow.
Toremifene is used to slow the growth of metastatic breast cancer (cancer that has spread from the original tumor). Unlike chemotherapy, toremifene does not actually destroy cancer cells.
Toremifene may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about Fareston (Toremifene)?

Before taking toremifene, tell your doctor if you have ever had blood clots. You may not be able to take this medication.

What should I discuss with my healthcare provider before taking Fareston (Toremifene)?

Before taking toremifene, tell your doctor if you have ever had blood clots. You may not be able to take this medication.
Toremifene is in the FDA pregnancy category D. This means that toremifene is known to be harmful to an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment.
Toremifene passes into breast milk and may harm a nursing infant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.

Fareston Side Effects

What are the possible side effects of Fareston (Toremifene)?

Stop taking toremifene and seek emergency medical attention or contact your doctor immediately if you experience any of the following serious side effects:

• an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives)
• constipation, loss of appetite, nausea, vomiting, and severe stomach pain, which may be caused by hypercalcemia (excess calcium in the blood)
• pain, redness, or warmth in an arm or leg (may indicate a blood clot)
• chest pain
• blurred vision; or
• vaginal bleeding

If you experience any of the following less serious side effects, continue taking toremifene and talk to your doctor:

• hot flashes
• sweating; or
• vaginal discharge

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

Fareston Interactions

What other drugs affect Fareston (Toremifene)?

Before taking toremifene, tell your doctor if you are taking any of the following medicines:

• an anticoagulant such as warfarin (Coumadin)
• a thiazide diuretic (water pill) such as chlorothiazide (Diurigen, Diuril), chlorthalidone (Hygroton, Thalitone), hydrochlorothiazide (HydroDiuril, Esidrix, Microzide, others), indapamide (Lozol), or metolazone (Diulo, Mykrox, Zaroxolyn); or
• a seizure medication such as carbamazepine (Tegretol), ethosuximide (Zarontin), or phenytoin (Dilantin)

Your may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.
Drugs other than those listed here may also interact with toremifene. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

What should I avoid while taking Fareston (Toremifene)?

Avoidance or limiting the use of caffeine, nicotine, and alcohol may help decrease hot flashes and sweating associated with the use of toremifene.

Fareston Dosage

How should I take Fareston (Toremifene)?

Take toremifene exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Toremifene is usually taken once a day. Follow your doctor’s instructions.
Take each dose with a full glass of water.
Toremifene can be taken with or without food.
Toremifene should be taken at the same time each day whenever possible.
Store toremifene at room temperature away from moisture and heat. Keep this product out of the reach of children.

What happens if I overdose on Fareston (Toremifene)?

An overdose of toremifene is unlikely to threaten life. Call an emergency room or a poison control center for advice if you suspect that an overdose has been taken.
Symptoms of a toremifene overdose may include hot flashes, sweating, nausea, vomiting, and vaginal bleeding or discharge.

What happens if I miss a dose of Fareston (Toremifene)?

Missing one dose is not likely to affect your treatment. Skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medication.
If you miss two or more doses in a row, contact your doctor.
Sourced from everydayhealth.com