Letowell 5SR Tablet belongs to the group of anti-cancer medicines called aromatase inhibitors used to treat breast cancer in women who have gone through menopause (cessation of menses periods). Breast cancer is a type of cancer that develops in breast cells stimulated by the female sex hormone known as estrogen.
 
Letowell 5SR Tablet contains 'Letrozole' that works by blocking the aromatase enzyme, which is involved in the production of the estrogen hormone. The cancer cells require estrogen for their growth. Hence, by blocking the aromatase enzyme, Letowell 5SR Tablet prevents the growth of cancer cells. Thereby Letowell 5SR Tablet helps in preventing or stopping the growth of spreading the tumours (cancer cells) to other body parts.

You are advised to take Letowell 5SR Tablet for as long as your doctor has prescribed it for you depending on your medical condition. In some cases, Letowell 5SR Tablet may cause certain common side-effects such as hypercholesterolemia (increased cholesterol levels), tiredness, weakness, increased sweating, feeling unwell, pain in joints, and hot flushes (feeling of warmth). Do not be reluctant to talk with your doctor if you experience any of these side-effects persistently.
 
Avoid taking Letowell 5SR Tablet if you are pregnant or breastfeeding. Letowell 5SR Tablet may cause drowsiness and dizziness, so drive only if you are alert. Letowell 5SR Tablet should not be given to children as safety has not been established. Avoid consuming alcohol along with Letowell 5SR Tablet as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications to rule out any side-effects.

Letowell 5SR Tablet belongs to the group of anti-cancer medicines called aromatase inhibitors. Letowell 5SR Tablet is used to treat breast cancer in women who have gone through menopause (cessation of periods). Letowell 5SR Tablet works by blocking the aromatase enzyme, which is involved in the production of estrogens. The cancer cells require estrogen for their growth, so by blocking the enzyme Letowell 5SR Tablet prevents the growth of cancer cells. Thereby, Letowell 5SR Tablet helps in slowing down or stopping the growth and/or spreading the tumours to other body parts.

Do not take Letowell 5SR Tablet if you are allergic to any of its contents, if you have not yet gone through menopause (still get your periods). Talk to your doctor before taking Letowell 5SR Tablet if you have osteoporosis (thinning of bones), bone fractures, severe liver or kidney disease. Letowell 5SR Tablet may cause inflammation in tendons or tendon injury; contact your doctor if you observe any sign of tendon pain or swelling while taking Letowell 5SR Tablet. Avoid taking Letowell 5SR Tablet if you are pregnant or breastfeeding. Letowell 5SR Tablet may cause drowsiness and dizziness, so drive only if you are alert. Letowell 5SR Tablet should not be given to children as safety has not been established. Avoid consuming alcohol along with Letowell 5SR Tablet as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications before taking Letowell 5SR Tablet to rule out any side-effects. 

• Your doctor may advise you to regularly measure bone density before, during and after the treatment as Letowell 5SR Tablet may cause bone thinning due to reduction of estrogens in the body.
• Letowell 5SR Tablet should be taken under strict medical supervision. The doctor will regularly monitor your condition while taking Letowell 5SR Tablet.