Understanding Letrozole: What Is It?

Letrozole is a medication primarily used in the treatment of certain types of breast cancer. It belongs to a class of drugs known as aromatase inhibitors, which work by reducing estrogen levels in the body. This reduction can slow or stop the growth of hormone-sensitive tumors.

How Does Letrozole Work?

Letrozole inhibits the aromatase enzyme, which is responsible for converting androgens into estrogens in postmenopausal women. By blocking this process, letrozole effectively lowers estrogen levels, thus depriving some cancers of the hormones they need to grow.

Uses of Letrozole

• Treatment of hormone receptor-positive breast cancer in postmenopausal women.
• Used as an adjuvant therapy after surgery to reduce the risk of cancer recurrence.
• Sometimes prescribed for infertility treatment in women with ovulatory disorders.

Dosage and Administration

The typical dosage of letrozole is 2.5 mg taken once daily. It is important to follow a healthcare provider’s instructions regarding dosage and duration of treatment.

Possible Side Effects

Like all medications, letrozole can cause side effects. Common side effects include:

• Hot flashes
• Joint pain
• Fatigue
• Bone density loss
• Nausea

FAQs about Letrozole

What is letrozole used for?

Letrozole is primarily used to treat hormone receptor-positive breast cancer in postmenopausal women and may also be used for fertility issues.

How long should I take letrozole?

The duration of treatment depends on individual circumstances and should be determined by a healthcare provider, typically lasting for five years in breast cancer therapy.

Can letrozole cause weight gain?

Weight changes can occur with letrozole; however, it is more commonly associated with weight loss or no significant change rather than https://letrozolebodybuilding.com/product/letrozol-teva-filmtabletten-2-5mg-100-stuck/ weight gain.

Is letrozole safe during pregnancy?

Letrozole is not safe during pregnancy and should be avoided due to potential harm to the fetus.

Conclusion

In summary, letrozole is a significant medication in the management of hormone-sensitive breast cancer and can also play a role in treating specific fertility issues. Understanding its uses, mechanisms, and potential side effects is crucial for patients considering this treatment option.