Understanding Letrozole: What Is It?

Letrozole is a medication primarily used in the treatment of certain types of breast cancer in postmenopausal women. It belongs to a class of drugs known as aromatase inhibitors, which work by reducing the levels of estrogen in the body.

The Role of Letrozole in Cancer Treatment

Letrozole what is its main function? The primary use of letrozole is to https://letrozolebuy.com/ treat hormone receptor-positive breast cancer, where cancer cells grow in response to estrogen. By inhibiting the aromatase enzyme, letrozole decreases estrogen production, thereby slowing down or stopping the growth of cancerous cells.

How Letrozole Works

Letrozole functions by blocking the conversion of androgens (male hormones) into estrogens. This mechanism is particularly important for postmenopausal women, whose ovaries no longer produce significant amounts of estrogen. Instead, their bodies rely on peripheral tissues to convert androgens to estrogen. By taking letrozole, patients can effectively lower estrogen levels, making it difficult for estrogen-sensitive tumors to thrive.

Usage and Administration

Typically, letrozole is administered as an oral tablet taken once daily. Patients are often advised to take it at the same time each day to maintain consistent drug levels in the bloodstream. The duration of treatment can vary based on individual circumstances, but it is commonly prescribed for several years.

Potential Side Effects

• Hot flashes
• Joint pain or stiffness
• Fatigue
• Nausea

While many patients tolerate letrozole well, severe side effects can occur, necessitating immediate medical attention. Patients should discuss any concerns with their healthcare provider.

Conclusion

In summary, letrozole what is crucial for managing hormone receptor-positive breast cancer. Its role as an aromatase inhibitor helps reduce estrogen levels in the body, providing an effective treatment option for many women. Understanding how letrozole works, its administration, and potential side effects can empower patients to make informed decisions about their cancer treatment journey.