Anastrozole is a type of hormone therapy.
It is a treatment for breast cancer that is hormone sensitive. And in women that no longer have their periods (post menopausal).
Oestrogen is a female sex hormone that is mainly made in the body’s fatty tissues after the menopause. Oestrogen encourages some breast cancers to grow.
Anastrozole works by lowering the level of oestrogen in the body. This can stop or slow the growth of breast cancer cells.
You have Anastrozole as tablets and should try to take it at the same time each day.
The usual amount is one tablet a day. Anastrozole is a long term treatment and you usually take it for up to 5 years.
You have blood tests before and during your treatment. They check your levels of blood cells and other substances in the blood. They also check how well your liver and kidneys are working.