Description

Classification

Letrozole 2.5mg x 28 is an aromatase inhibitor medicine containing letrozole. It reduces the production of oestrogen in the body and is primarily used in the treatment of hormone-sensitive breast cancer, particularly in postmenopausal women.

Letrozole is a prescription medicine in the UK and should be used under the supervision of an appropriate healthcare professional. It is important to follow the prescribed treatment plan because the medicine can affect bone health, cholesterol levels and other aspects of long-term health.

What is Letrozole 2.5mg x 28?

Letrozole 2.5mg x 28 contains 2.5 mg of letrozole per tablet, with 28 tablets in the stated pack. Letrozole belongs to a group of medicines known as aromatase inhibitors.

Aromatase is an enzyme involved in the production of oestrogen. By reducing aromatase activity, letrozole lowers oestrogen levels. This can help slow or stop the growth of certain breast cancers that depend on oestrogen to grow.

The medicine is generally used after menopause, when most oestrogen is produced by converting other hormones into oestrogen in tissues such as fat and muscle.

Dosage

The usual prescribed dose of letrozole for its licensed breast-cancer indications is 2.5 mg once daily, although the appropriate duration of treatment depends on the individual’s diagnosis, treatment history and response.

The tablets should be taken exactly as directed by the prescribing healthcare professional. Do not take more than the prescribed amount and do not change the duration of treatment without medical advice.

If a dose is missed, follow the instructions provided by your doctor or pharmacist rather than taking extra tablets to compensate.

How Does Letrozole 2.5mg x 28 Work?

Letrozole works by inhibiting the aromatase enzyme. Aromatase converts certain androgen hormones into oestrogens. Blocking this enzyme substantially reduces oestrogen production.

Lower oestrogen levels can be beneficial in hormone-receptor-positive breast cancer because some cancer cells rely on oestrogen signals to grow. Reducing the availability of oestrogen can therefore help slow the progression of hormone-sensitive disease and reduce the risk of recurrence in appropriate patients.

Benefits

When prescribed for an appropriate medical indication, letrozole can provide important therapeutic benefits.

Potential benefits include:

• Reducing oestrogen production after menopause.
• Helping treat certain hormone-sensitive breast cancers.
• Helping reduce the risk of breast cancer returning in appropriate patients.
• Supporting treatment following other breast-cancer therapies where clinically indicated.
• Providing an alternative to some other forms of endocrine treatment.

The expected benefit depends on the type and stage of cancer, previous treatment and individual medical circumstances.

When Should You Take Letrozole 2.5mg x 28?

Letrozole is generally taken once daily, preferably at approximately the same time each day. It can normally be taken with or without food, unless your healthcare professional has given different instructions.

Consistency is important because maintaining the prescribed treatment schedule helps keep the medicine working appropriately. Continue taking letrozole for the duration recommended by your specialist, even if you feel well, unless they advise you to stop.

When Should You Not Take Letrozole 2.5mg x 28?

Letrozole may not be appropriate for everyone. It should not normally be used by women who are pregnant or breastfeeding because lowering oestrogen can cause harm to a developing baby and the medicine is not intended for these circumstances.

Tell your doctor if you:

• Have severe kidney or liver problems.
• Have osteoporosis or a history of fractures.
• Have low bone mineral density.
• Have high cholesterol.
• Have previously experienced an allergic reaction to letrozole.
• Take other prescription, over-the-counter or herbal medicines.
• Are still having menstrual periods or have not been confirmed as postmenopausal.

What is the Mechanism of Letrozole 2.5mg x 28?

Letrozole selectively inhibits aromatase, the enzyme responsible for converting androgens into oestrogens. This reduces circulating and tissue concentrations of oestrogen.

Because some breast cancers depend on oestrogen stimulation, reducing oestrogen availability can limit the hormonal signals that encourage the growth of cancer cells. This mechanism makes letrozole particularly useful in hormone-receptor-positive breast cancer in postmenopausal patients.

Uses of Letrozole 2.5mg x 28

Letrozole is primarily used as endocrine therapy for certain types of breast cancer in postmenopausal women. Depending on the clinical situation, it may be prescribed as initial treatment, following surgery or after previous endocrine treatment.

The precise treatment plan depends on factors such as cancer type, hormone-receptor status, previous treatments and the patient’s overall health.

Letrozole should only be used for indications determined appropriate by a qualified healthcare professional.

Warnings and Precautions for Letrozole 2.5mg x 28

Long-term reduction of oestrogen can affect several areas of health, particularly bone strength. Your healthcare team may therefore monitor bone mineral density and other relevant health markers during treatment.

Important precautions include:

• Tell your doctor about any history of osteoporosis or fractures.
• Discuss kidney or liver problems before treatment.
• Have cholesterol monitored where appropriate.
• Report persistent or severe joint or bone pain.
• Tell your doctor about all medicines and supplements you take.
• Discuss any symptoms suggesting a cardiovascular problem.
• Do not stop long-term treatment without speaking to your specialist.

Side Effects of Letrozole 2.5mg x 28

Like all medicines, letrozole can cause side effects, although not everyone experiences them. Commonly reported effects are often related to reduced oestrogen levels.

Possible side effects include:

• Hot flushes and increased sweating.
• Joint or muscle pain.
• Tiredness and weakness.
• Headache or dizziness.
• Nausea.
• Increased cholesterol levels.
• Reduced bone mineral density and increased fracture risk.
• Mood changes or sleep difficulties.
• Vaginal dryness.
• Hair thinning or skin changes.

Seek urgent medical attention for serious symptoms such as severe chest pain, significant breathing difficulties, sudden weakness or symptoms of a severe allergic reaction.

Storage for Letrozole 2.5mg x 28

Keep Letrozole 2.5mg tablets in their original packaging and store them according to the instructions supplied with the medicine. Keep the tablets away from excessive heat and moisture and out of the reach of children.

Do not use tablets after their expiry date. Unused or unwanted medicines should be disposed of according to advice from a pharmacist rather than being thrown away carelessly.

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Frequently Asked Questions

1. What is Letrozole 2.5mg x 28?

Letrozole 2.5mg x 28 contains 28 tablets, each containing 2.5 mg of letrozole. It is an aromatase inhibitor primarily used as endocrine treatment for certain hormone-sensitive breast cancers.

2. How does letrozole reduce oestrogen?

Letrozole blocks the aromatase enzyme, reducing the conversion of androgen hormones into oestrogen and consequently lowering oestrogen levels in the body.

3. Can letrozole affect bones?

Yes. Long-term oestrogen reduction can decrease bone mineral density and increase the risk of osteoporosis or fractures. Your healthcare team may monitor bone health during treatment.

4. Can letrozole cause joint pain?

Yes. Joint and muscle discomfort are commonly reported during treatment. Persistent or troublesome symptoms should be discussed with your healthcare professional.

5. Should I stop taking letrozole if I feel better?

No. Do not stop prescribed letrozole without speaking to your doctor or specialist. The recommended duration of endocrine treatment depends on your individual cancer diagnosis and treatment plan.