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About AROMASIN

Sorting through all the information on different breast cancer treatments can be a challenge. But if you're looking for information on AROMASIN® (exemestane tablets), you've come to the right place. With a few clicks of a mouse, you'll learn about AROMASIN. Together, you and your doctor can make an informed decision about your treatment.

AROMASIN is a hormonal therapy
that is approved for women who:

  • have had estrogen-receptor positive
    early stage breast cancer and
  • have gone through menopause and
  • have taken tamoxifen for 2 to 3 years

If your doctor prescribes AROMASIN, you would stop taking tamoxifen and start taking AROMASIN for 2 to 3 years for a combined total of 5 years of adjuvant (AD-joo-vant) treatment. Adjuvant treatment for breast cancer is a treatment given after surgery, radiation, or chemotherapy.

  NextNext: How AROMASIN works

Learn how switching to AROMASIN compares
to staying on tamoxifen for 5 years.

See the IES study results that show why switching to AROMASIN after 2 to 3 years after tamoxifen may be smarter.

Find out more


AROMASIN® (exemestane tablets) is a prescription medicine for the adjuvant treatment of postmenopausal women with estrogen-receptor positive early breast cancer. Treatment with AROMASIN should begin after 2 to 3 years of tamoxifen, at which time tamoxifen should be discontinued. Treatment with AROMASIN should continue for 2 to 3 years (until the completion of a total of 5 years of adjuvant treatment with tamoxifen and AROMASIN).
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