Letryl 5 mg Tablet 10'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.
 
Letryl 5 mg Tablet 10'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, Letryl 5 mg Tablet 10's prevents the growth of cancer cells. Thereby Letryl 5 mg Tablet 10's helps in preventing or stopping the growth of spreading the tumours (cancer cells) to other body parts.

You are advised to take Letryl 5 mg Tablet 10's for as long as your doctor has prescribed it for you depending on your medical condition. In some cases, Letryl 5 mg Tablet 10'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 Letryl 5 mg Tablet 10's if you are pregnant or breastfeeding. Letryl 5 mg Tablet 10's may cause drowsiness and dizziness, so drive only if you are alert. Letryl 5 mg Tablet 10's should not be given to children as safety has not been established. Avoid consuming alcohol along with Letryl 5 mg Tablet 10'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.

Letryl 5 mg Tablet 10's belongs to the group of anti-cancer medicines called aromatase inhibitors. Letryl 5 mg Tablet 10's is used to treat breast cancer in women who have gone through menopause (cessation of periods). Letryl 5 mg Tablet 10'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 Letryl 5 mg Tablet 10's prevents the growth of cancer cells. Thereby, Letryl 5 mg Tablet 10's helps in slowing down or stopping the growth and/or spreading the tumours to other body parts.

Do not take Letryl 5 mg Tablet 10'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 Letryl 5 mg Tablet 10's if you have osteoporosis (thinning of bones), bone fractures, severe liver or kidney disease. Letryl 5 mg Tablet 10's may cause inflammation in tendons or tendon injury; contact your doctor if you observe any sign of tendon pain or swelling while taking Letryl 5 mg Tablet 10's. Avoid taking Letryl 5 mg Tablet 10's if you are pregnant or breastfeeding. Letryl 5 mg Tablet 10's may cause drowsiness and dizziness, so drive only if you are alert. Letryl 5 mg Tablet 10's should not be given to children as safety has not been established. Avoid consuming alcohol along with Letryl 5 mg Tablet 10's as it could lead to increased drowsiness and dizziness. Inform your doctor about your health condition and medications before taking Letryl 5 mg Tablet 10's to rule out any side-effects. 

• Your doctor may advise you to regularly measure bone density before, during and after the treatment as Letryl 5 mg Tablet 10's may cause bone thinning due to reduction of estrogens in the body.
• Letryl 5 mg Tablet 10's should be taken under strict medical supervision. The doctor will regularly monitor your condition while taking Letryl 5 mg Tablet 10's.