Letowell 5SR Tablet
Prescription Required
Product introduction
Letowell 5SR 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.
Letowell 5SR 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 Letowell Tablet SR
Side effects of Letowell Tablet SR
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 Letowell
- 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 Letowell Tablet SR
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. Letowell 5SR Tablet may be taken with or without food, but it is better to take it at a fixed time.
How Letowell Tablet SR works
Letowell 5SR 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 Letowell 5SR Tablet does not cause any harmful side effects.
Pregnancy
UNSAFE
Letowell 5SR 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
Letowell 5SR Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.
Driving
UNSAFE
Letowell 5SR 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
Letowell 5SR Tablet is safe to use in patients with kidney disease. No dose adjustment of Letowell 5SR 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.
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
Letowell 5SR Tablet should be used with caution in patients with liver disease. Dose adjustment of Letowell 5SR Tablet may be needed. Please consult your doctor.
What if you forget to take Letowell Tablet SR?
If you miss a dose of Letowell 5SR 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.
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Quick tips
- You have been prescribed Letowell 5SR 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 Letowell 5SR 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 Letowell 5SR Tablet can alter their levels.
- Do not take Letowell 5SR Tablet if you are pregnant or breastfeeding
Fact Box
Chemical Class
Diphenylmethane Derivative
Habit Forming
No
Therapeutic Class
ANTI NEOPLASTICS
Action Class
Aromatase Inhibitors
Interaction with drugs
Taking Letowell with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Allylestrenol may reduce the efficacy of Letrozole.
Do not consume Letrozole with Allylestrenol if you have or had breast cancer. If essential, consult your doctor.
Dehydroepiandrosterone (Micronized) may reduce the efficacy of Letrozole.
Do not consume Letrozole with Dehydroepiandrosterone (Micronized) if you have or had breast cancer. If es
Desogestrel may reduce the efficacy of Letrozole.
Do not consume Letrozole with Desogestrel if you have or had breast cancer. If essential, consult your doctor.
Tamoxifen may reduce blood levels of Letrozole.
Do not consume Tamoxifen with Letrozole. If concurrent use is essential, please consult your doctor.
Patient concerns
FAQs
Why have I been prescribed Letowell 5SR Tablet?
Letowell 5SR 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 Letowell 5SR Tablet work?
Letowell 5SR 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 Letowell 5SR 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 Letowell 5SR Tablet till the tumor shows progression. In cases where Letowell 5SR 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 Letowell 5SR Tablet followed by 3 years of tamoxifen.
If I am taking irbesartan to control my blood pressure, can I take Letowell 5SR Tablet?
Yes, you can take irbesartan and Letowell 5SR Tablet together. However, be careful and keep a regular check on your blood pressure since Letowell 5SR Tablet may increase your blood pressure. Consult your doctor in case you have problems controlling your blood pressure.
Does Letowell 5SR Tablet affect vision?
Although it is very uncommon, Letowell 5SR Tablet may cause a cataract. So, if you experience blurred vision or eye irritation, consult your doctor immediately.
My friend who is taking Letowell 5SR Tablet often sweats a lot. Is it because of Letowell 5SR Tablet?
This could be a sign of hot flushes which is a very common side effect of Letowell 5SR Tablet. It happens due to decreased estrogen levels. The frequency of hot flushes reduces once your body adjusts to Letowell 5SR 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 Letowell 5SR Tablet?
The serious side effects do not occur in everyone and very few people experience them. The serious side effects of Letowell 5SR Tablet include stroke, angina, heart attack, blood clotting, cataract, osteoporosis, and severe skin reactions.
Does Letowell 5SR Tablet cause bone loss?
Letowell 5SR 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 Letowell 5SR Tablet for induction of ovulation in anovulatory infertility?
As per the Ministry of Health and Family Welfare, Letowell 5SR Tablet is restricted for use in induction of ovulation in anovulatory infertility.
Why have I been prescribed Letowell 5SR Tablet?
Letowell 5SR 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 Letowell 5SR Tablet work?
Letowell 5SR 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 Letowell 5SR 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 Letowell 5SR Tablet till the tumor shows progression. In cases where Letowell 5SR 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 Letowell 5SR Tablet followed by 3 years of tamoxifen.
If I am taking irbesartan to control my blood pressure, can I take Letowell 5SR Tablet?
Yes, you can take irbesartan and Letowell 5SR Tablet together. However, be careful and keep a regular check on your blood pressure since Letowell 5SR Tablet may increase your blood pressure. Consult your doctor in case you have problems controlling your blood pressure.
Does Letowell 5SR Tablet affect vision?
Although it is very uncommon but Letowell 5SR Tablet may cause cataract. So, if you experience blurred vision or eye irritation, consult your doctor immediately.
My friend who is taking Letowell 5SR Tablet often sweats a lot. Is it because of Letowell 5SR Tablet?
This could be a sign of hot flushes which is a very common side effect of Letowell 5SR Tablet. It happens due to decreased estrogen levels. The frequency of hot flushes reduces once your body adjusts to Letowell 5SR 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 Letowell 5SR Tablet?
The serious side effects do not occur in everyone and very few people experience them. The serious side effects of Letowell 5SR Tablet include stroke, angina, heart attack, blood clotting, cataract, osteoporosis and severe skin reactions.
Does Letowell 5SR Tablet cause bone loss?
Letowell 5SR 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 Letowell 5SR Tablet for induction of ovulation in anovulatory infertility?
As per the Ministry of Health and Family Welfare, Letowell 5SR 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
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- 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.
- 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.
- Letrozole. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 1997 [revised Jan. 2014]. [Accessed 03 Apr. 2019] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 04 Apr. 2019] (online) Available from:
- National Health Service. Letrozole. [Last Reviewed: 21 Jul 2020]. [Accessed 08 Jul. 2023]. (online) Available from:
- Letrozole [Package Insert]. Mumbai, India: HOPE Lifecare. [Accessed 08 Jul. 2023]. (online) Available from:
- Letrozole [Prescribing Information]. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 2020. [Accessed 08 Jul. 2023]. (online) Available from:
Marketer details
Name: Vhl Pharmaceuticals Private Limited
Address: 1St Floor, House No. 1/9, Kunwar Singh Nagar, Nangloi, Near S.G.N Public School New Delhi 110041 India
Country of origin: India
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