Fareston for breast cancer treatment

Fareston is used for:

Treating breast cancer in women past menopause with estrogen-dependent tumors or unknown tumors. It may also be used for other conditions as determined by your doctor.

Fareston is an antiestrogen. It works by blocking the effects of estrogen on certain body tissues, including breast tissue. This helps block the growth of estrogen-activated tumors.

                      Some medical conditions may interact with Fareston . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

    * if you are pregnant, planning to become pregnant, or are breast-feeding

    * if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement

    * if you have allergies to medicines, foods, or other substances

    * if you have bone cancer or a growth of the endometrium

    * if you have a history of blood clots, cancer, or decreased blood platelets or white blood cells

Some MEDICINES MAY INTERACT with Fareston . Tell your health care provider if you are taking any other medicines, especially any of the following:

    * Ketoconazole or macrolide antibiotics (eg, erythromycin) because the actions and side effects of Fareston may be increased

    * Fluorouracil, mitomycin C, or thiazide diuretics (eg, hydrochlorothiazide) because the risk of side effects may be increased

    * Carbamazepine, phenobarbital, or rifampin because the effectiveness of Fareston may be decreased

    * Anticoagulants (eg, warfarin) or hydantoins (eg, phenytoin) because the actions and side effects of these medicines may be increased

This may not be a complete list of all interactions that may occur. Ask your health care provider if Fareston may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

                      Use Fareston as directed by your doctor. Check the label on the medicine for exact dosing instructions.

    * Fareston may be taken with or without food.

    * If you miss a dose of Fareston , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Fareston .

                        * Fareston may cause dizziness or changes in vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Fareston . Using Fareston alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.

    * If Fareston causes nausea or vomiting, ask your doctor or pharmacist about ways to minimize this effect.

    * LAB TESTS, including complete blood cell counts, calcium levels, and liver function tests, may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.

    * Fareston is not recommended for use in CHILDREN. Safety and effectiveness have not been confirmed.

    * PREGNANCY and BREAST-FEEDING: Fareston has been shown to cause harm to the fetus. If you become pregnant, discuss with your doctor the benefits and risks of using Fareston during pregnancy. It is unknown if Fareston is excreted in breast milk. If you are or will be breast-feeding while you are using Fareston , check with your doctor or pharmacist to discuss the risks to your baby.

                          Store Fareston at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Fareston out of the reach of children and away from pets.