Letrozole Femara Anti Estrogen Steroids Drugs CAS112809-51-5
What is Letrozole
Letrozole lowers estrogen levels in postmenopausal women, which may slow the growth of certain types of breast tumors that need estrogen to grow in the body.
Letrozole is used to treat breast cancer in postmenopausal women. It is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years.
Letrozole may also be used for purposes not listed in this medication guide.
This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause. Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen. Letrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.
Letrozole side effects
Hot flashes, hair loss, joint/bone/muscle pain, tiredness, unusual sweating, nausea,diarrhea, dizziness, and trouble sleeping may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Take letrozole on a regular schedule to get the most benefit from it.
If you miss a dose of letrozole, take it as soon as possible. If it is almost time for the next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use letrozole.
White or off-white crystaline powder
Soluble in ethanol when heated
(1)Maximum absorption in wavelength of 240 nm
(2)Infrared spectrum should be in accordance the dominant peak of contrast
|In accordance with the dominant peak of contrast|
Loss on drying
Conforms Specifications of Enterprise Standard.
Anti Estrongen Steriods
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