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  • Generic Name: (toremifene citrate)
    Other Brands: N/A
  • Last Revised: 07/2014
    • What is this medication and its most common uses?

      Fareston is a medicine used to treat breast cancer in postmenopausal women.

    • What should I know when beginning and continuing on this medication?

      How does this medication work?

      Fareston is thought to work by slowing or stopping the growth of cancer cells in the body.

      What are the beneficial effects of this medication and when should I begin to have results?

      What: By stopping the growth of cancer cells, Fareston may help to relieve your symptoms associated with cancer.

      When: Everyone responds differently to treatment, so try to be patient and follow your healthcare provider’s directions. It is important that you take Fareston exactly as your healthcare provider has prescribed.

      How do I know it is working?

      Your healthcare provider may order tests regularly to check how well this medication is working.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      Fareston can cause a heart condition called QT prolongation (abnormal heartbeats), with symptoms such as increased heart rate, fainting, or seizures. Your healthcare provider may order certain blood tests to check your potassium or magnesium levels. Certain medicines may also cause QT prolongation. It is important that you tell your healthcare provider about all the medicines you are taking.

      More common side effects may include: hot flashes, sweating, nausea, vaginal discharge.

      Less common side effects may include:

      Tumor flare (a reaction indicated by worsening symptoms, such as an increase in pain or tumor size).

      Harm to your unborn baby. Tell your healthcare provider right away if you become pregnant or plan to become pregnant.

      Fareston may increase your risk of developing endometrial (involving the inner lining of the uterus) cancer.

    • Who should not take this medication?

      Do not take Fareston if you are allergic to it or any of its ingredients.

      Do not take Fareston if you have a heart problem called QT prolongation or if you have low blood potassium or magnesium levels.

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Fareston. Also, talk to your healthcare provider about your complete medical history, especially if you have heart or liver problems, a history of blood clots, or if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Adults: The recommended dose is 60 milligrams once a day.

    • How should I take this medication?

      Take Fareston exactly as prescribed by your healthcare provider. Do not change your dose or stop taking Fareston without first talking to your healthcare provider.

      It is important to use effective non-hormonal birth control while taking Fareston. Discuss with your healthcare provider about appropriate forms of contraception.

    • What should I avoid while taking this medication?

      Do not miss any scheduled follow-up appointments with your healthcare provider.

      Do not drink grapefruit juice while you are taking Fareston.

    • What are the possible food and drug interactions associated with this medication?

      If Fareston is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Fareston may interact with numerous medications. Therefore, it is very important that you tell your healthcare provider about any other medications you are taking.

    • May I receive this medication if I am pregnant or breastfeeding?

      Fareston can harm your unborn baby if you take it during pregnancy. The effects of Fareston during breastfeeding are unknown. Do not breastfeed while you are taking Fareston. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What should I do if I miss a dose of this medication?

      If you miss a dose of Fareston, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

    • How should I store this medication?

      Store at room temperature.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
      back to top Use your PDR® Pharmacy Discount Card when you or a family member fills a prescription and ask for your PDR® Discount every
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    This discount plan is NOT insurance or a Medicare prescription drug plan. The plan is not intended as a substitute for insurance and does not meet creditable coverage requirements under state or federal law. The plan provides discounts at participating pharmacies on certain pharmaceutical supplies, prescription drugs, or medical equipment and supplies. The range of discounts will vary depending on the products received. Members are obligated to pay the pharmacy the entire amount of the discounted rate for such products at the point of sale. The plan does not pay pharmacies for products provided to members. No enrollment or periodic fees apply. The pharmacy may pay the plan a fee from amounts the pharmacy collects from the member. The discount plan organization is ProCare Pharmacy Benefit Manager, Inc.,1267 Professional Parkway, ProCare Office Park, Gainesville, GA 30507, 1-888-299-5383. Customer service is provided by PDR, LLC., 5 Paragon Drive, Montvale, NJ, 07645, 1-800-232-7379, www.pdr.net/DiscountCard, customerservice@pdr.net.