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ANASTROZOLE (an AS troe zole) is used to treat breast cancer in women who have gone through menopause. Some types of breast cancer depend on estrogen to grow, and this medicine can stop tumor growth by blocking estrogen production.
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You can take this medicine with or without food. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.
Talk to 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:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
any new or unusual symptoms
breathing problems
chest pain
leg pain or swelling
vomiting
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
back or bone pain
cough, or throat infection
diarrhea or constipation
dizziness
headache
hot flashes
loss of appetite
nausea
sweating
weakness and tiredness
weight gain
Do not take this medicine with any of the following medications:
female hormones, like estrogens or progestins and birth control pills
This medicine may also interact with the following medications:
tamoxifen
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
liver disease
an unusual or allergic reaction to anastrozole, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
Visit your doctor or health care professional for regular checks on your progress. Let your doctor or health care professional know about any unusual vaginal bleeding.
Do not treat yourself for diarrhea, nausea, vomiting or other side effects. Ask your doctor or health care professional for advice.