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EXEMESTANE (ex e MES tane) blocks the production of the hormone estrogen. Some types of breast cancer depend on estrogen to grow, and this medicine can stop tumor growth by blocking estrogen production. This medicine is for the treatment of breast cancer in postmenopausal women only.
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals after a meal. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.
Contact your pediatrician regarding the use of this medicine in children. Special care may be needed.
Side effects that you should report to your doctor or health care professional as soon as possible:
any new or unusual symptoms
changes in vision
leg or arm swelling
pain in bones, joints, or muscles
pain in hips, back, ribs, arms, shoulders, or legs
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
unusually weak or tired
Do not take this medicine with any of the following medications:
female hormones, like estrogens and birth control pills
This medicine may also interact with the following medications:
rifabutin, rifampin, or rifapentine
St. John's Wort
If you miss a dose, take the next dose as usual. Do not try to make up the missed dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
an unusual or allergic reaction to exemestane, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Visit your doctor or health care professional for regular checks on your progress.
If you experience hot flashes or sweating while taking this medicine, avoid alcohol, smoking and drinks with caffeine. This may help to decrease these side effects.
Do not become pregnant while taking this medicine or for 1 month after stopping it. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. Women of child-bearing potential will need to have a negative pregnancy test before starting this medicine. There is a potential for serious side effects to an unborn child. Do not breast-feed an infant while taking this medicine or for 1 month after stopping it. Talk to your health care professional or pharmacist for more information.
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