|Contents and links: Breast cancer | Tamoxifen | Arimidex | Aromasin | Femara | Zoladex | Provera | Megace | Faslodex | Cyproterone | Toremefine | Hormonal side effects | Hot flushes | Menopause | Sexuality issues | Bone health | Exercise | Diet | Joint pains | Lifestyle advice | Lifestyle guidebooks ||
Your doctor has recommended a medication called anastrozole (Arimidex) as treatment for your breast cancer. This page provides extra information about your medicine, summarises possible side effects and methods to alleviate them.How do they work? Some tumours such as breast cancer are stimulated by the body's own female hormone (Oestrogen). Stopping the body's oestrogen reaching the tumour can cause the cancer cells to stop growing and in some cases shrivel up and die completely (self destruct - apoptosis). Arimidex blocks the production of the body's own female hormones by stopping the production of oestrogen from the adrenal glands in post menopausal women.
How are they taken? Arimidex is prescribed as a single daily dose of 1mg. Many women like to take it at the same time each day with water the actual time does not matter. Some women prefer to take it with food as it may cause nausea. Some women prefer to take it last thing at night because it reduces the hot flushes in the day . Try to find a convenient time and stick to it as its easier to remember to take the tablets in the long term.
If you forget to take your tablet dont panic levels of the drug in your blood will not change very much but try not to miss more than one or two tablets in a row. Remember to get a new prescription a couple of weeks before you run out of the tablets and make sure you have plenty for holidays etc.
What are they taken for? There are 6 main reasons why post menopausal women with oestrogen sensitive tumours can be prescribed aromatase inhibitors
Possible side effects
Mild feelings of sickness (nausea), are not uncommon but may be relieved by taking your tablet with foods or milk or at night. Mild nausea usually wears off after a few weeks but a walk or jog in the fresh air does wonders for this.
and sweats Sometimes the flushes will gradually lessen over the first few months
but some women continue to have them for as long as they take Arimidex. There are a number
of ways to help reduce or control hot flushes and sweats. Some women find it helpful to
avoid or cut down on tea, coffee, nicotine and alcohol. Evening primrose oil has been
reported to be helpful in reducing sweats but it does not work for all women and it is
very expensive. There are a lot of calories in Evening Primrose Oil so it may be fattening
in some women. Some women have found complementary therapies have helped, and your GP may
be able to give you details about obtaining these on the NHS.
Lethargy - Some women feel tired on this drug. The severity can vary but if it affects your quality of life the doctor should be informed, although lethargy does tend to wear off over time. Light and stimulating exercise can help to reduce this. This has to carefully balanced. Although plenty of rest is important, between these times it is better to be active. For example a sleep after lunch may be required but then it would be useful to put on a pair of training shoes and go for walk in the open - preferably in pleasant stimulating surroundings such as a park or riverbank. Although this seems a great effort at first, patients often find their overall levels of fatigue are reduced by light exercise.
Thrombosis These therapies slightly increase the risk of thrombosis (although not as bad as tamoxifen) - particularly if there is any disease in the pelvis or lower abdomen. Regular exercise encourage the blood to be pumped through the veins and reduce the risk of it stagnating and clotting in the veins.
Loss of bone density Compared to tamoxifen there is a slightly incidence of bone loss which may lead to an increased risk of fractures after prolonged use. In some instances it is appropriate to monitor the bone density with a scan (dexacan). Certainly it is advisable to exercise regularly and ensure an adequate diet (see lifestyle and aromatase inhibitors)
Patients may put on weight after taking aromatase inhibitor tablets. Clearly regular light exercise will reduce the risk of weight gain.
Depression and lower mood - a rare side effect - Exercise increases the bodies endomorphines which elevate mood.
Less common side effects
Lifestyle factors that may help the side effects
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