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Femara (letrozole) is an nonsteroidal aromatase
inhibitor, primarily used for treating breast cancer in
post-menopausal women. It may also be prescribed to treat
metastasis in both pre and post-menopausal women, and when
treatment with other medications, usually tamoxifen, is not
producing results.
It is also occasionally used in fertility treatment, and as a
pre-treatment before pregnancy termination.
Who Uses Femara?
The majority of Femara users are post-menopausal women at high-risk
of, or already suffering from, hormonally-responsive breast cancer.
In many cases these women have already undergone treatment with
other cancer medications, usually tamoxifen, when the condition
fails to respond or worsens under the other treatments.
A pregnancy test is sometimes required before Femara is
prescribed.
How does it Work?
Hormonally-responsive cancer, as the name implies, responds to
hormones like estrogen. In post-menopausal women estrogen is
primarily produced in the breasts and in certain parts of the
brain. Femara inhibits the production of estrogen in these areas,
effectively starving the cancer, or preventing it from growing and
spreading.
In women at high risk of developing breast cancer, Femara may be an
effective preventative measure.
Femara is ineffective at combating cancer in pre-menopausal women
because estrogen in pre-menopausal women is primarily produced by
the ovaries. Femara does not inhibit estrogen production in the
ovaries.
Other treatments which impact hormone levels, such as estrogen
replacement therapies, estrogen creams, or birth control pills, may
greatly interfere with Femara's effectiveness. For this reason it
is important the prescribing physician is aware of all other
prescription and non-prescription medications being taken for the
duration of treatment.
How is it Taken?
Femara is a tablet usually taken once daily with a full glass of
fluid. Effort should be made to take it around the same time each
day. It may be taken with or without food.
Dosage and duration of treatment will vary depending on the
condition being treated and patient response. It is not unusual for
treatment to last 5 years or longer, and for dosage to be adjusted
several times during treatment. Treatment frequently begins after 2
to 5 years of treatment with tamoxifen has already occurred.
Missed doses should be taken when remembered. If it is near time
for the next dose, it may be skipped entirely. Double doses should
be avoided.
Physician instructions should be followed carefully while taking
Femara for maximal effectiveness.
Ingredients:
Active ingredient: letrozole
Inactive ingredients: lactose, avicel PH 102, starch
Patients with known hypersensitivity to any of the ingredients
in Femara should not use this medication. This product
contains lactose.
Adverse Effects:
Side effects are rare, usually mild, and frequently stop after the
body adjusts to treatment. If side effects persist, are severe, or
worsen, a physician should be consulted:
Online Doctor No current Rx required |
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Pack Sizes | Strength | Price | Cart | |
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2.5mg | $72.12 | Add | |
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2.5mg | $302.90 | Add | |
Fempro Pack Sizes | Strength | Price | Cart | |
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2.5mg | $39.99 | Add | |
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Medicines have benefits and some have risks. Always read the label and use only as directed. If symptoms persist or you have side effects see your health professional.