Letrozole 2.5mg vs 5mg – Understanding Dosage, Uses & Which Is Right for You
Table of Contents
What is Letrozole?
Letrozole is a medication classified as an aromatase inhibitor. It works by reducing estrogen levels in the body and is primarily used to treat hormone receptor-positive breast cancer in postmenopausal women. It is also widely used off-label for ovulation induction in women with PCOS or infertility issues.
Difference Between Letrozole 2.5mg and 5mg
Letrozole is available in multiple strengths, but the most commonly prescribed doses are 2.5mg and 5mg. Here is a side-by-side comparison:
| Dosage | Primary Use | Buy Online |
|---|---|---|
| Letrozole 2.5mg | Standard dose for breast cancer, ovulation induction | Buy Letrozole 2.5mg |
| Letrozole 5mg | Higher-dose protocols for resistant ovulation or advanced cancers | Buy Letrozole 5mg |
Common Uses of Letrozole
Letrozole is used to manage several medical conditions:
- Breast Cancer: Hormone receptor-positive tumors in postmenopausal women
- Ovulation Induction: For women with PCOS or irregular ovulation
- Fertility Treatment: As part of an assisted reproduction protocol (e.g., IVF)
- Endometriosis Management: Reducing estrogen levels to control symptoms
Dosage Guidelines
- Breast Cancer: Typically 2.5mg once daily for 5 years
- Ovulation Induction: 2.5mg to 5mg once daily for 5 days (usually starting on Day 3 or 5 of menstrual cycle)
Important: Always follow your doctor’s prescribed dosage and schedule. Self-medicating with Letrozole can affect hormonal balance.
Side Effects of Letrozole
Common Side Effects:
- Hot flashes
- Fatigue or dizziness
- Joint or muscle pain
- Nausea
Rare but Serious Side Effects:
- Bone thinning (osteoporosis)
- Elevated cholesterol
- Mood swings or depression
Regular monitoring (especially with long-term use) is essential to manage any adverse effects.
Where to Buy Letrozole Online
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FAQs – Letrozole 2.5mg vs 5mg
Can I take Letrozole 5mg if 2.5mg didn’t work?
Yes, but only under medical supervision. Doctors may increase the dose to 5mg if 2.5mg does not induce ovulation or control symptoms effectively.
Is Letrozole better than Clomid for ovulation?
Studies show that Letrozole may have a higher success rate in inducing ovulation in women with PCOS compared to Clomid, especially for live birth outcomes.
Can Letrozole be used long-term?
In cancer treatment, Letrozole is often prescribed long-term (up to 5 years). However, for fertility treatments, it’s used in short cycles only.
Is Letrozole safe during pregnancy?
No. Letrozole should not be used during pregnancy as it can harm fetal development. Always confirm pregnancy before starting a new cycle.