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Letswin 5mg Tablet

Prescription Required

Product introduction

Letswin 5mg Tablet helps treat breast cancer in post-menopausal women. It may be used alone or with other treatments, such as surgery or radiation. It can also be used in patients with advanced breast cancer to stop the tumor from spreading to other parts of the body.

Letswin 5mg Tablet can be taken with or without food. Take it in the dose and duration prescribed by the doctor to get the most benefit. The dose and frequency depend on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed.


The most common side effects of this medicine include hot flashes, fatigue, increased sweating, and increased level of cholesterol (hypercholesterolemia). If these bother you or appear serious, let your doctor know. Your doctor may suggest ways to prevent or reduce these.


Before taking this medicine, tell your doctor if you have ever had liver or kidney disease, or have a history of osteoporosis (thinning or wasting of bones). Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Tell your doctor if you are pregnant or breastfeeding. Your doctor may perform some blood tests to check for vitamin D level or bone density before and during treatment.


Uses of Letswin Tablet

Benefits of Letswin Tablet

In Treatment of Breast cancer

Letswin 5mg Tablet relieves the symptoms of breast cancer such as breast lumps, bloody discharge from the nipple, or changes in the shape or texture of the breast. It works by altering the production of those hormones in the body that are essential for the growth and spread of breast cancer. It may also interact with other hormones or have a direct effect on cancer to stop its growth.

Side effects of Letswin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Letswin

  • Night sweats
  • Bone pain
  • Cough
  • Shortness of breath
  • Fatigue
  • Weight gain
  • Hot flushes
  • Edema (swelling)
  • Flushing (sense of warmth in the face, ears, neck and trunk)
  • Diaphoresis
  • Bone fracture
  • Hypercholesterolemia (high cholesterol)
  • Joint pain
  • Back pain
  • Weakness
  • Dizziness
  • Nausea
  • Osteoporosis
  • Joint inflammation

How to use Letswin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Letswin 5mg Tablet may be taken with or without food, but it is better to take it at a fixed time.

How Letswin Tablet works

Letswin 5mg Tablet is an aromatase inhibitor. It works by decreasing the amount of estrogen (natural female hormone) produced in the body. This decrease in estrogen can slow down or stop the growth of some breast cancers that need estrogen to grow.

Safety advice

Alcohol
SAFE
Consuming alcohol with Letswin 5mg Tablet does not cause any harmful side effects.
Pregnancy
UNSAFE
Letswin 5mg Tablet is highly unsafe to use during pregnancy. Seek your doctor's advice as studies on pregnant women and animals have shown significant harmful effects to the developing baby.
Breast feeding
UNSAFE
Letswin 5mg Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.
Driving
UNSAFE
Letswin 5mg Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney
SAFE IF PRESCRIBED
Letswin 5mg Tablet is safe to use in patients with kidney disease. No dose adjustment of Letswin 5mg Tablet is recommended.
However, there is limited information on the use of this medicine in patients with end stage kidney disease. Please consult with your doctor.
Liver
CAUTION
Letswin 5mg Tablet should be used with caution in patients with liver disease. Dose adjustment of Letswin 5mg Tablet may be needed. Please consult your doctor.

What if you forget to take Letswin Tablet?

If you miss a dose of Letswin 5mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.\n

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.
Letswin 5mg Tablet
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Quick tips

  • You have been prescribed Letswin 5mg Tablet for the treatment of breast cancer.
  • It can be taken with or without food.
  • Do not drive or do anything requiring concentration until you know how Letswin 5mg Tablet affects you.
  • It may cause increased sweating and hot flushes. Try to keep cool by wearing light and airy clothes.
  • Your doctor may monitor your cholesterol level and bone mineral density (BMD) regularly as Letswin 5mg Tablet can alter their levels.
  • Do not take Letswin 5mg Tablet if you are pregnant or breastfeeding 

Fact Box

Chemical Class
Diphenylmethane Derivative
Habit Forming
No
Therapeutic Class
ANTI NEOPLASTICS
Action Class
Aromatase inhibitor

Patient concerns

arrow
If any symtom of brest cancer if have whats the cure
Dr. Sanjay Singh Rai
Medical Oncology and Hematology
First is confirmation of breast cancerChance of cure depends on stage of cancer
BREAST CANCER , PET REPORT SAYS INFECTION IN SKELETON.
Dr. Sanjay Singh Rai
Medical Oncology and Hematology
Metastatic breast cancer, send me previous treatment details
arrow

FAQs

Why have I been prescribed Letswin 5mg Tablet?

Letswin 5mg Tablet is an aromatase inhibitor. It is generally prescribed to treat breast cancer in women who no longer have periods, either due to menopause or after surgery or chemotherapy.

How does Letswin 5mg Tablet work?

Letswin 5mg Tablet is also known as an anti-estrogen drug. It is called so because it acts by reducing the production of estrogen in your body by blocking the enzyme aromatase, which is responsible for the production of estrogen. Estrogen stimulates the production of certain types of breast cancer in your body. These cancers are called "estrogen-dependent cancers". Reducing the production of estrogen may prevent cancer from growing.

For how long should I take Letswin 5mg Tablet?

If the breast tumor is in the advanced stage or has spread to other parts of the body, it is recommended that you continue taking Letswin 5mg Tablet till the tumor shows progression. In cases where Letswin 5mg Tablet is given after tamoxifen (another anti-estrogen used for breast cancer) or surgery, it should be given for 5 years or until the tumor comes back, whichever is first. It can also be given as a sequential treatment; 2 years of Letswin 5mg Tablet followed by 3 years of tamoxifen.

If I am taking irbesartan to control my blood pressure, can I take Letswin 5mg Tablet?

Yes, you can take irbesartan and Letswin 5mg Tablet together. However, be careful and keep a regular check on your blood pressure since Letswin 5mg Tablet may increase your blood pressure. Consult your doctor in case you have problems controlling your blood pressure.

Does Letswin 5mg Tablet affect vision?

Although it is very uncommon, Letswin 5mg Tablet may cause a cataract. So, if you experience blurred vision or eye irritation, consult your doctor immediately.

My friend who is taking Letswin 5mg Tablet often sweats a lot. Is it because of Letswin 5mg Tablet?

This could be a sign of hot flushes which is a very common side effect of Letswin 5mg Tablet. It happens due to decreased estrogen levels. The frequency of hot flushes reduces once your body adjusts to Letswin 5mg Tablet. However, in some people, the flushes and sweats may continue during the treatment and stop a few months after the treatment finishes. You can consult your doctor who will provide you a remedy if it is very bothersome.

What are the serious side effects of Letswin 5mg Tablet?

The serious side effects do not occur in everyone and very few people experience them. The serious side effects of Letswin 5mg Tablet include stroke, angina, heart attack, blood clotting, cataract, osteoporosis, and severe skin reactions.

Does Letswin 5mg Tablet cause bone loss?

Letswin 5mg Tablet may cause thinning or wasting of your bones (osteoporosis), which is due to the decrease in estrogen levels in your body. Your doctor may decide to measure your bone density (a way of monitoring for osteoporosis) before, during and after treatment.

Can I take Letswin 5mg Tablet for induction of ovulation in anovulatory infertility?

As per the Ministry of Health and Family Welfare, Letswin 5mg Tablet is restricted for use in induction of ovulation in anovulatory infertility.

Why have I been prescribed Letswin 5mg Tablet?

Letswin 5mg Tablet is an aromatase inhibitor. It is generally prescribed to treat breast cancer in women who no longer have periods, either due to menopause or after surgery or chemotherapy.

How does Letswin 5mg Tablet work?

Letswin 5mg Tablet is also known as an anti-estrogen drug. It is called so because it acts by reducing the production of estrogen in your body by blocking the enzyme aromatase, which is responsible for production of estrogen. Estrogen stimulates the production of certain types of breast cancer in your body. These cancers are called "estrogen-dependent cancers". Reducing the production of estrogen may prevent the cancer from growing.

For how long should I take Letswin 5mg Tablet?

If the breast tumor is in advanced stage or has spread to other parts of the body, it is recommended that you continue taking Letswin 5mg Tablet till the tumor shows progression. In cases where Letswin 5mg Tablet is given after tamoxifen (another anti-estrogen used for breast cancer) or surgery, it should be given for 5 years or until tumor comes back, whichever is first. It can also be given as a sequential treatment; 2 years of Letswin 5mg Tablet followed by 3 years of tamoxifen.

If I am taking irbesartan to control my blood pressure, can I take Letswin 5mg Tablet?

Yes, you can take irbesartan and Letswin 5mg Tablet together. However, be careful and keep a regular check on your blood pressure since Letswin 5mg Tablet may increase your blood pressure. Consult your doctor in case you have problems controlling your blood pressure.

Does Letswin 5mg Tablet affect vision?

Although it is very uncommon but Letswin 5mg Tablet may cause cataract. So, if you experience blurred vision or eye irritation, consult your doctor immediately.

My friend who is taking Letswin 5mg Tablet often sweats a lot. Is it because of Letswin 5mg Tablet?

This could be a sign of hot flushes which is a very common side effect of Letswin 5mg Tablet. It happens due to decreased estrogen levels. The frequency of hot flushes reduces once your body adjusts to Letswin 5mg Tablet. However, in some people the flushes and sweats may continue during the treatment and stop a few months after the treatment finishes. You can consult your doctor who will provide you a remedy if it is very bothersome.

What are the serious side effects of Letswin 5mg Tablet?

The serious side effects do not occur in everyone and very few people experience them. The serious side effects of Letswin 5mg Tablet include stroke, angina, heart attack, blood clotting, cataract, osteoporosis and severe skin reactions.

Does Letswin 5mg Tablet cause bone loss?

Letswin 5mg Tablet may cause thinning or wasting of your bones (osteoporosis), which is due to the decrease in estrogen levels in your body. Your doctor may decide to measure your bone density (a way of monitoring for osteoporosis) before, during and after treatment.

Can I take Letswin 5mg Tablet for induction of ovulation in anovulatory infertility?

As per the Ministry of Health and Family Welfare, Letswin 5mg Tablet is restricted for use in induction of ovulation in anovulatory infertility.

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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

  1. Moy B, Lee RJ, Smith M. Natural Products in Cancer Chemotherapy: Hormones and Related Agents. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. New York, New York: McGraw-Hill Medical; 2011. p. 1762.
  2. Masters SB. Hypothalmic & Pituitary Hormones. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 718.
  3. Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 786-87.
  4. Letrozole. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 1997 [revised Jan. 2014]. [Accessed 03 Apr. 2019] (online) Available from:External Link
  5. Central Drugs Standard Control Organisation (CDSCO). [Accessed 04 Apr. 2019] (online) Available from:External Link
  6. National Health Service. Letrozole. [Last Reviewed: 21 Jul 2020]. [Accessed 08 Jul. 2023]. (online) Available from:External Link
  7. Letrozole [Package Insert]. Mumbai, India: HOPE Lifecare. [Accessed 08 Jul. 2023]. (online) Available from:External Link
  8. Letrozole [Prescribing Information]. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 2020. [Accessed 08 Jul. 2023]. (online) Available from:External Link
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