Generic Name: Letrozole

  • What is Femara?

    Femara is used in postmenopausal women to treat certain kinds of breast cancer. It is used after surgery to treat the early stages of breast cancer, and is also used after surgery to treat early breast cancer in women who have received tamoxifen in the past. In addition, Femara is used to treat advanced breast cancer.

  • What is the most important information I should know about Femara?

    Do not take Femara if you are pregnant, planning to become pregnant, or are nursing. This drug may cause severe damage to your unborn child and may pass into breast milk. Make sure to use adequate birth control until you are fully past menopause.

    Do not drive or perform other possibly unsafe tasks until you know how you react to Femara; this drug may cause dizziness.

    Femara can increase cholesterol levels, so your doctor may want to monitor this by doing periodic blood tests.

    Femara may soften or weaken the bones and reduce bone mineral density. It can also increase the risk of fractures.

  • Who should not take Femara?

    Do not take Femara if you are pregnant or if you are not fully postmenopausal. Also avoid Femara if you allergic to any of its ingredients.

  • What should I tell my doctor before I take the first dose of Femara?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Femara. Also, talk to your doctor about your complete medical history, especially if you are taking any medication, or if you are pregnant, planning to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The usual dose of Femara is one 2.5-milligram (mg) tablet, once a day. If you have severe liver problems, your doctor may lower the dose to one 2.5-mg tablet every other day.

  • How should I take Femara?

    Femara can be taken with or without food.

  • What should I avoid while taking Femara?

    Femara is known to cause sleepiness. When first beginning therapy, avoid driving or operating machinery until you know how this drug affects you.

  • What are possible food and drug interactions associated with Femara?

    If Femara is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Femara with tamoxifen.

  • What are the possible side effects of Femara?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: hot flashes, joint pain, flushing, weakness, swelling, headache, dizziness, high cholesterol, increased sweating, muscle pain, bone pain or softening or weakening of the bones

  • Can I receive Femara if I am pregnant or breastfeeding?

    Do not take Femara if you are pregnant, planning to become pregnant, or breastfeeding. Femara may cause harm to your unborn baby, and may pass into breast milk.

  • What should I do if I miss a dose of Femara?

    If you miss a dose of Femara, take it as soon as you remember. However, if it almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once. If you are unsure, ask your doctor or pharmacist for advice.

  • How should I store Femara?

    Store at room temperature.

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