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Letrozole
What is it? Overview Usage Side Effects and Warnings
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Letrozole Overview

Written by FoundHealth.

(LET roe zole)

U.S. Brand Names

Femara®

Canadian Brand Names

Femara®

Mexican Brand Names

Femara

Pharmacologic Category

Antineoplastic Agent, Aromatase Inhibitor

Reasons not to take this medicine

• If you have an allergy to letrozole or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

• If you have not stopped menstruating.

How does it work?

• Letrozole lowers circulating estrogens. In breast cancer, growth of the cancer may be fueled by estrogens.

How is it best taken?

• Take this medicine at a similar time of day.

• Take this medicine with or without food. Take with food if it causes an upset stomach.

• This medicine works best when used with calcium/vitamin D supplements and weight-bearing exercises like walking or physical therapy.

• Follow diet plan and exercise program as recommended by healthcare provider.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Take a missed dose as soon as possible.

• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.

• Do not take a double dose or extra doses.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Check blood work (cholesterol panel). Talk with healthcare provider.

• Check blood pressure and heart rate regularly. Talk with healthcare provider.

• Check weight weekly. Report a weight loss to healthcare provider.

• Bone density test.

• Follow up with healthcare provider.

How should I store this medicine?

• Store at room temperature.

• Protect from light.

• Protect from moisture. Do not store in a bathroom or kitchen.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2006-10-13 13:31:14.0

Modified: 2010-03-25 11:54:53.0

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