Gefitinib tablets

About gefitinib

Gefitinib is a medicine which is given to treat some types of lung cancer.

In cancer, certain cells in the body grow and multiply in a way that is 'out of control'. Chemotherapy (anti-cancer) medicines work by inhibiting the way cells grow and increase in number. Gefitinib belongs to a group of anti-cancer medicines known as tyrosine kinase inhibitors. These medicines work by blocking chemical messengers (called tyrosine kinases) which send signals to cells to grow. This stops cancer cells from growing and spreading.

Before taking gefitinib

Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking gefitinib it is important that your doctor knows:

• Wenn Sie eine Infektion haben oder sich besonders unwohl fühlen.

• Wenn Sie irgendwelche Probleme mit der Funktionsweise Ihrer Leber haben oder wenn Sie jemals eine Hepatitis-B-Infektion hatten.

• Wenn Sie Probleme mit der Funktionsweise Ihrer Nieren haben.

• Wenn Sie schwanger sind oder stillen.

• Wenn Sie andere Arzneimittel einnehmen oder verwenden. Dazu gehören alle Arzneimittel, die Sie einnehmen und die rezeptfrei erhältlich sind, sowie pflanzliche und ergänzende Arzneimittel.

• Wenn Sie schon einmal eine allergische Reaktion auf ein Arzneimittel hatten.

How to take gefitinib tablets

• Before you start the treatment, read any printed information you have been given by your doctor and the printed manufacturer's leaflet from inside the pack of tablets. These will give you more information about gefitinib and will provide a full list of the side-effects which you may experience from taking it.

• Gefitinib will be prescribed for you by a specialist doctor who is experienced in treating your condition. The usual dose is one tablet daily. It is important that you take the tablets exactly as you are told to by your doctor. The directions for taking the tablets will be printed on the label of the pack to remind you, but if you are still unsure about what to do, or if you have any other concerns, you should contact your doctor or hospital clinic for advice.

• Try to take your tablet at the same time of day each day, as this will help you to remember to take your doses regularly. You can take it before or after meals.

• You can swallow the tablet with a drink of water, or if you prefer, you can mix the tablet into a glass of water. To do this, gently stir the tablet into half a glassful of water and allow it to dissolve completely - this may take about 20 minutes. Drink the contents of the glass as soon as the tablet has dissolved, and then add some more water to your glass and drink this too.

• If you forget to take a dose, take it as soon as you remember. If you do not remember until the following day, do not take the forgotten dose, as you should not take two doses on the same day.
  

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• You must try to keep your regular appointments with your doctor or hospital. This is so your doctor can check on your progress. You will need to have regular check-ups during treatment. If at any time you develop a dry cough, a high temperature, or a sudden problem with your breathing, you must let your doctor know about it straightaway so that it can be investigated.

• If you buy or take any other medicines, check with a pharmacist that they are suitable to take alongside gefitinib. You should not take any preparations which contain St John's wort (a herbal remedy used for low moods), as it can reduce the effectiveness of gefitinib.

• Wenn Sie operiert oder zahnärztlich behandelt werden, teilen Sie der behandelnden Person immer mit, welche Arzneimittel Sie einnehmen.

• It is important that you do not get pregnant while you are taking gefitinib. If relevant, make sure you discuss with your doctor which types of contraception are suitable for you and your partner.

Can gefitinib cause problems?

Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with gefitinib. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.

If you experience any other symptoms which you think may be due to the tablets, ask your doctor or pharmacist for advice.

How to store gefitinib

• Bewahren Sie alle Arzneimittel außerhalb der Reichweite und Sichtweite von Kindern auf.

• An einem kühlen, trockenen Ort aufbewahren, vor direkter Hitze und Licht schützen.

• Bitte geben Sie unbenutzte oder nicht benötigte Tabletten zur Vernichtung an Ihre Klinik oder Apotheke zurück.

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