FEMAMED 2.5 product packaging
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FEMAMED 2.5 (Letrozole)

• CAS number: 112809-51-5
• Molecular Weight: 285.30 g/mol
• Formula: C17H11N5

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FEMAMED 2.5 product packaging


FEMAMED 2.5 (Letrozole) is a highly potent drug used in breast cancer treatment for postmenopausal women and can also be given to breast cancer patients who have been previously treated with tamoxifen. It comes as a letrozole 2.5mg tablet comprising 25mg of letrozole and excipients. 

Letrozole Mechanism of Action

Letrozole as a breast cancer drug,  belongs to the class of non-steroidal (Type II) aromatase Inhibitors. Some breast cancers grow faster due to the presence of a hormone called estrogen. Aromatase is an enzyme that helps in the production of estrogen. Letrozole stops the activity of aromatase, which consequently prevents estrogen formation, leading to a slowing down or reversal of breast cancer growth. Letrozole has a half-life of 42 hours.

FEMAMED 2.5 (Letrozole) Dosage

2.5mg orally, once daily. However, consult your doctor before taking this medication.

Letrozole Side Effects 

Some commonly reported side effects of letrozole include excessive sweating, hot flashes, bone pain, cough, dyspnea, constipation, increased blood pressure, breast pain, nausea, and vomiting. 

Blurred vision and elevated liver enzymes are less frequently reported side effects.

Letrozole Interactions

Serious interactions occur with estrogen and tamoxifen. 

Interactions can also occur with cholera vaccine, dengue vaccine, siponimod and some antiretroviral drugs. This list is not exhaustive, hence, ensure you share any medications you are using, including herbal products and supplements with your doctor before using letrozole.


? Letrozole . . . . . . . . . . . . . . . . . . . 2,5mg
? Excipients . . . . . . . . . . . . . . . . . . . . . q.s

FEMAMED 2.5 back of the product pack
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