Letrobest-5 mg Tablet 5's 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.
 
Letrobest-5 mg Tablet 5's 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, Letrobest-5 mg Tablet 5's prevents the growth of cancer cells. Thereby Letrobest-5 mg Tablet 5's helps in preventing or stopping the growth of spreading the tumours (cancer cells) to other body parts.

You are advised to take Letrobest-5 mg Tablet 5's for as long as your doctor has prescribed it for you depending on your medical condition. In some cases, Letrobest-5 mg Tablet 5's 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 Letrobest-5 mg Tablet 5's if you are pregnant or breastfeeding. Letrobest-5 mg Tablet 5's may cause drowsiness and dizziness, so drive only if you are alert. Letrobest-5 mg Tablet 5's should not be given to children as safety has not been established. Avoid consuming alcohol along with Letrobest-5 mg Tablet 5's as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications to rule out any side-effects.

Letrobest-5 mg Tablet 5's belongs to the group of anti-cancer medicines called aromatase inhibitors. Letrobest-5 mg Tablet 5's is used to treat breast cancer in women who have gone through menopause (cessation of periods). Letrobest-5 mg Tablet 5's 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 Letrobest-5 mg Tablet 5's prevents the growth of cancer cells. Thereby, Letrobest-5 mg Tablet 5's helps in slowing down or stopping the growth and/or spreading the tumours to other body parts.

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

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