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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication is used to treat certain types of breast cancer.

How To Use

Use exactly as directed by mouth, usually one tablet once daily. Treatment is generally continued as long as your condition improves or remains the same.

Side Effects

Hot flashes, sweating, nausea, vaginal discharge, dry eyes or dizziness may occur. If these persist or worsen, notify your doctor promptly. Report promptly: vision problems. Unlikely but report promptly: chest pain, irregular heartbeat, difficulty breathing, vomiting, fatigue, ankle or leg swelling or pain, mood/mental changes, muscle weakness, constipation, bone or stomach pain, rash, yellowing of the eyes or skin, vaginal bleeding. Very unlikely but report promptly: one-sided weakness, speech problems, fainting, persistent sore throat, fever, easy bruising or bleeding. If you notice other effects not listed above, contact your doctor or pharmacist.


Before using this drug, tell your doctor your medical history, including: allergies (especially drug allergies), bone cancer, blood vessel problems, blood disorders, liver disease, uterine/womb problems such as endometrial hyperplasia. Limit alcohol intake, as it may enhance certain side effects. Since this drug may cause dizziness or fatigue, use caution if operating machinery or performing hazardous tasks. Contact lens wearers may develop some eye dryness. This drug is not indicated for use in children. This drug is not recommended for use during pregnancy. Consult your doctor before using this drug. It is not known whether this drug is excreted into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all nonprescription and prescription medication you use, especially of: certain diuretics ("water pills" such as hydrochlorothiazide), "blood thinners" (e.g., warfarin), certain anti-seizure medications (e.g., carbamazepine, phenobarbital, phenytoin). Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include dizziness, headache, nausea, loss of coordination, and hallucinations.


Do not share this medication with others.

Missed Dose

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at room temperature no higher than 77 degrees F (25 degrees C) away from light and moisture.