Letrozole 2.5 mg tablets: uses, fertility and side effects

What letrozole is used for

Letrozole, known by the brand name Femara, is a medicine used primarily for certain types of breast cancer. It works by reducing estrogen levels, which can help slow the growth of hormone-sensitive cancer cells.

Letrozole is also used in some fertility treatment plans. In that setting, it may be prescribed to help stimulate ovulation in women who have difficulty conceiving.

Letrozole and fertility

In fertility care, letrozole may be used to help the ovaries release an egg. This is why it is sometimes described as an ovulation induction medicine.

It is often discussed for women with polycystic ovary syndrome (PCOS), where ovulation may be irregular. In some cases, clinicians may prefer it because it may have a lower risk of multiple births than some other ovulation-inducing medicines.

Fertility treatment with letrozole is usually planned and monitored by a healthcare professional. The timing of treatment, cycle monitoring, and follow-up depend on the individual situation.

How letrozole works

Letrozole lowers estrogen production. This can signal the pituitary gland to release more follicle-stimulating hormone (FSH) and luteinizing hormone (LH).

These hormones help support follicle development in the ovaries and can increase the chance of ovulation during a monitored cycle.

Possible side effects of letrozole

Like all medicines, letrozole can cause side effects. Not everyone gets them, and some people may have only mild symptoms.

• Hot flashes
• Joint pain
• Fatigue
• Dizziness
• Nausea

More serious reactions are less common, but allergic reactions can happen and need urgent medical attention.

Long-term use may be associated with bone loss, so monitoring may be needed depending on the reason for treatment and the length of use.

Letrozole dosage for fertility

For fertility treatment, the dose is often described as 2.5 mg taken by mouth once daily for a short course during the menstrual cycle. In many treatment plans, it is started early in the cycle and taken for several days.

However, the exact dose and timing can vary. A clinician may adjust the plan based on how the ovaries respond and whether side effects occur.

Do not rely on a general article for dosing instructions. The prescribing clinician and official leaflet should always guide use.

Letrozole 5 mg tablets

Some treatment plans may involve a 5 mg tablet strength. This is generally considered when a lower dose is not effective in a fertility protocol.

Higher doses may also be associated with more side effects, so any change in strength should be decided by a healthcare professional.

Price and availability

The price of letrozole tablets can vary depending on the country, pharmacy, and insurance coverage. Generic versions may be available in some places.

If cost is a concern, it is best to check with a local pharmacy, clinic, or insurer for current pricing and available options.

What to check before using letrozole

Before treatment, it is important to tell your doctor or pharmacist about:

• Any allergies
• Liver problems
• Heart disease or other major medical conditions
• All medicines and supplements you take
• Whether you are pregnant, trying to conceive, or breastfeeding

These details help the healthcare team decide whether letrozole is appropriate and how it should be monitored.

Safety reminder

Letrozole should not be used during pregnancy. If pregnancy is possible or suspected, speak with a healthcare professional promptly. If you develop severe symptoms, signs of allergy, or anything unusual during treatment, seek medical advice without delay.

Frequently asked questions