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Flutamide - an anti-androgen for men

Treatment with flutamide will be started by a specialist doctor.

The usual dose is one tablet three times daily.

Remember to keep your regular appointments with your doctor and clinic so that your progress can be monitored.

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About flutamide

Typ av medicin

An anti-androgen

Används för

Prostate cancer

Tillgänglig som

Tabletter

Flutamide belongs to a group of medicines known as anti-androgens. This means that it blocks the actions of male sex hormones called androgens. It also reduces the amount of male hormones (such as testosterone) that your body produces.

In prostatacancer, the cancer cells need the male hormone testosterone to grow and multiply well. Hormone treatments like flutamide block the effect of testosterone on prostate cancer cells. This slows down the growth of the cancer. Flutamide also helps to reduce symptom 'flares' and side-effects from other treatments which may be used for the cancer, or following surgery.

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

  • If you have any problems with the way your liver works.

  • Om du har en hjärtsjukdom.

  • If you have a rare inherited blood disorder called porphyria.

  • Om du tar några andra läkemedel. Detta inkluderar alla läkemedel som kan köpas utan recept, samt växtbaserade och komplementära läkemedel.

  • Om du någonsin har haft en allergisk reaktion mot en medicin.

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  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about flutamide and will provide you with a full list of the side-effects which you may experience from taking it.

  • Take the tablets exactly as your doctor tells you to. Your dose will be printed on the label of the pack of tablets to remind you about what the doctor said to you. It is usual to take one tablet three times a day.

  • You can take flutamide tablets either with or without food. Taking the tablet with a drink of water will help you to swallow it.

  • Try to take the tablets at the same times of day each day. This will help you to remember to take your doses regularly.

  • If you forget to take a dose, take it as soon as you remember (unless it is nearly time for your next dose, in which case leave out the missed dose). Do not take two doses together to make up for a forgotten dose.

  • Please keep your regular appointments with your doctor so that your progress can be monitored. Your doctor will want you to have some blood tests from time to time to check that your liver is staying healthy.

  • Your doctor will recommend that you do not drink much alcohol while you are on flutamide.

  • Treatment with flutamide is often long-term. You should continue to take the tablets regularly unless you are told otherwise by your doctor.

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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 flutamide. 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.

Very common flutamide side-effects (these affect more than 1 in 10 men)

Vad kan jag göra om jag upplever detta?

Breast swelling or tenderness (possibly with a discharge)

If this becomes troublesome, speak with your doctor

Common flutamide side-effects (these affect fewer than 1 in 10 men)

Vad kan jag göra om jag upplever detta?

Känna sig illamående (nausea) eller kräkas (vomiting), diarré

Eat simple meals - avoid fatty or spicy foods

Tiredness, difficulty sleeping, increased appetite

Om något av dessa blir besvärligt, tala med din läkare

Liver problems (for the symptoms please see below)

Contact your doctor straightaway

Viktigt: if you notice any of the following you should contact your doctor straightaway as it could be a sign of a problem with your liver:

  • Dark urine or light-coloured stools.

  • Being sick (vomiting)

  • Pain in your tummy (abdomen).

  • Any yellowing of your skin or the whites of your eyes (jaundice).

  • Itchy skin or unexplained bruising.

  • Loss of appetite.

  • Any unexplained flu-like symptoms.

  • Feeling unusually tired or generally unwell.

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

  • Förvara alla läkemedel utom räckhåll och synhåll för barn.

  • Förvara på en sval, torr plats, borta från direkt värme och ljus.

Viktig information om alla läkemedel

Om du köper några läkemedel, kontrollera med en apotekare att de är säkra att ta tillsammans med dina förskrivna läkemedel.

Ta aldrig mer än den föreskrivna dosen. Om du misstänker att du eller någon annan kan ha tagit en överdos av denna medicin, gå till akutmottagningen på ditt lokala sjukhus. Ta med behållaren, även om den är tom.

Om du ska genomgå en operation eller tandbehandling, informera den som utför behandlingen om vilka mediciner du tar.

Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.

Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.

Om du har några frågor om denna medicin, fråga din apotekare.

Rapportera biverkningar av ett läkemedel eller vaccin

Om du upplever biverkningar kan du rapportera dem online via Yellow Card website.

symptom checker

Osäker på att blanda mediciner?

Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.

Vidare läsning och referenser

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Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

  • Next review due: 14 Apr 2028
  • 14 Apr 2025 | Senaste versionen

    Senast uppdaterad av

    Michael Stewart, MRPharmS

    Granskad av

    Sid Dajani
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