Arimidex vs. Femara

Are Arimidex and Femara the Same Thing?

Arimidex (anastrozole) and Femara (letrozole) are nonsteroidal aromatase inhibitors used to treat breast cancer in postmenopausal women. Arimidex and Femara are often given to women whose cancer has progressed even after taking tamoxifen (Nolvadex, Soltamox).

What Are Possible Side Effects of Arimidex?

Common side effects of Arimidex include:

Tell your doctor if you experience serious side effects of Arimidex including:

What Are Possible Side Effects of Femara?

Common side effects of Femara include:

What is Arimidex?

Arimidex (anastrozole) is a non-steroidal aromatase inhibitor used to treat breast cancer in postmenopausal women. Arimidex is often given to women whose cancer has progressed even after taking tamoxifen (Nolvadex, Soltamox). Arimidex is available in generic form.

What is Femara?

Femara (letrozole) is a non-steroidal aromatase inhibitor (lowers estrogen production) used to treat breast cancer in postmenopausal women. Femara is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years. Femara is available in generic form.

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What Drugs Interact With Arimidex?

Femara (letrozole) is a non-steroidal aromatase inhibitor (lowers estrogen production) used to treat breast cancer in postmenopausal women. Femara is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years. Femara is available in generic form.

What Drugs Interact With Femara?

Do not use birth control containing estrogen. It is unknown if this drug passes into breast milk and may harm a nursing infant. Breastfeeding while using this drug is not recommended.

How Should Arimidex Be Taken?

The dose of Arimidex is one 1 mg tablet taken once a day. For patients with advanced breast cancer, the medication should be continued until tumor progression.

How Should Femara Be Taken?

The recommended dose of Femara is one 2.5 mg tablet administered once a day, without regard to meals.

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References

RxList. Arimidex Side Effects Drug Center.
https://www.rxlist.com/arimidex-side-effects-drug-center.htm
RxList. Femara Prescribing Information.
https://www.rxlist.com/femara-side-effects-drug-center.htm

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