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Exemestane

Pronounced

"ex-em-ESS-tain"

Common brand names:

Aromasin

Uses

This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Exemestane is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Exemestane decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.

Exemestane is usually not used in women of childbearing age.

How to Use This Medication

Read the Patient Information Leaflet if available from your pharmacist before you start using exemestane and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with food (after a meal) as directed by your doctor, usually once daily.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.

Since this drug can be absorbed through the skin and lungs, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the tablets. (See also Precautions section.)

Inform your doctor right away if your condition worsens (such as you get new breast lumps).

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Information expires December 2025.