What is letrozole?
Letrozole blocks the use of estrogen by certain types of breast cancer that require estrogen to grow.
Letrozole is used with other medicines to treat breast cancer in women who have reached menopause.
Letrozole may also be used for purposes other than those listed here.
How should I take letrozole?
Take letrozole exactly as it was prescribed for you. Do not take it in larger doses or for longer than recommended by your doctor.
Take each dose with a full glass (8 ounces) of water.
Letrozole is usually taken once a day. Follow your doctor's instructions.
Letrozole can be taken with or without food.
To be sure this medication is helping your condition, you will need to be tested on a regular basis. Your bone mineral density may also need to be checked. It is important that you not miss any scheduled visits to your doctor.
Store letrozole at room temperature away from moisture and heat.
What should I avoid while taking letrozole?
Letrozole can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Letrozole side effects
Stop using letrozole and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Other less serious side effects are more likely to occur, such as:
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hot flashes, warmth or redness in your face or chest;
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headache, muscle or joint pain;
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night sweats;
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weight gain;
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fatigue, feeling weak;
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nausea; or
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swelling in your hands, ankles, or feet.
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