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Furosemide

Furosemide is a 'water tablet' (a diuretic).

È meglio prenderlo al mattino.

Any side-effects are usually mild, but can include feeling sick (nausea) or dizzy.

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About furosemide

Tipo di medicinale

A loop diuretic

Utilizzato per

Water retention (oedema); high blood pressure (hypertension)

Chiamato anche

Frusol®;
Combination brand: Frumil® (furosemide with amiloride - this combination is also called co-amilofruse)

Disponibile come

Compresse e medicina liquida orale

Furosemide belongs to a group of medicines called diuretici dell'ansa. A diuretic is a medicine which increases the amount of urine that you pass out from your kidneys. They are often referred to as 'water tablets'. Furosemide is used to clear excess fluid from your body in conditions where your body retains more than it needs. This extra fluid causes you to feel breathless and tired, and your feet and ankles to swell - it is called water retention (oedema), and it is commonly caused by insufficienza cardiaca.

Diuretics are also a common treatment for pressione alta (ipertensione). Furosemide is prescribed for high blood pressure when it cannot be sufficiently controlled by other diuretics. Furosemide can be used on its own as a diuretic, or it can be prescribed as a combination tablet alongside other diuretics such as triamterene, amiloride or spironolactone.

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 furosemide it is important that your doctor knows:

  • Se sei incinta o stai allattando.

  • If you have any difficulties passing urine, or if you have prostate problems.

  • If you have gout or diabetes (diabetes mellitus). These conditions can be made worse by diuretics.

  • If you have been told you have very low sodium or potassium levels in your blood.

  • Se stai assumendo altri medicinali. Questo include qualsiasi medicinale che stai assumendo e che è disponibile per l'acquisto senza prescrizione medica, così come i medicinali a base di erbe e complementari.

  • Se hai mai avuto una reazione allergica a un medicinale.

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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 furosemide and it will also provide you with a full list of the side-effects which you could experience from taking it.

  • Take furosemide exactly as your doctor tells you to. It is usual to be prescribed one dose to take each day, and you will be asked to take it preferably in the morning. Some people could be asked to take two doses a day, in which case one dose should be taken in the morning and the other early-mid afternoon. Your doctor will tell you how many tablets (or how much liquid medicine) to take for each dose. You will find the directions for taking the doses printed on the label of the pack, to remind you about what the doctor said to you.

  • Although furosemide is preferably taken in the morning, you can take it at a time to suit your schedule. For example, if you want to go out in the morning and don't want to have to find a toilet, you can delay taking your dose until later. However, it is best if you take it no later than mid-afternoon. This is because you will find you need to go to the toilet a couple of times within a few hours of taking it and this will disturb your sleep if you take it too late in the day.

  • Swallow the tablet with a drink of water. You can take furosemide either with or without food.

  • If you forget to take a dose, take it as soon as you remember. However, if it is after 4 pm in the afternoon, you should leave out the forgotten dose and continue as usual the next day. Do not take two doses together to make up for a missed dose.

  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. The balance of salts in your blood may be upset by furosemide. Your doctor may want you to have a blood test from time to time to check for this.

  • Diuretics like furosemide help you to lose water. Occasionally you may lose too much and become lacking in fluid in the body (dehydrated). Let your doctor know if you feel constantly thirsty and tired, your mouth is dry, you have muscle cramps, or your skin looks and feels dry.

  • If you have been prescribed furosemide for high blood pressure, your treatment is likely to be long-term. Although many people with high blood pressure do not feel unwell, if left untreated, high blood pressure can harm your heart and damage your blood vessels. This damage may later result in a heart attack, stroke, or kidney problems, so it is important that you continue to take furosemide regularly to help reduce the risk of this. You may also be given some lifestyle or dietary advice by your doctor, such as stopping smoking, reducing the amount of salt in your diet and taking some regular exercise. Following this advice will also help to reduce the risk of damage to your heart and blood vessels.

  • Drinking alcohol while you are on furosemide could make you feel dizzy. Ask for your doctor's advice about whether you should avoid alcohol.

  • Se acquisti farmaci 'da banco', verifica con un farmacista che siano sicuri da assumere insieme ai farmaci prescritti.

  • If you have diabetes, furosemide could affect your blood sugar levels. Test your blood sugar regularly and speak with your doctor if you notice any significant changes.

  • Se devi sottoporti a un'operazione o a un trattamento dentale, informa la persona che esegue il trattamento quali medicinali stai assumendo.

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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 more common ones associated with furosemide. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine. Alternatively, you can find an example of a manufacturer's information leaflet in the reference section below. Speak with your doctor or pharmacist if any of the following continue or become troublesome.

Furosemide side-effects

Cosa posso fare se sperimento questo?

Sensazione di malessere (nausea), mal di stomaco

This is usually mild, but it may help to take furosemide after food

Sensazione di vertigini, soprattutto quando ti alzi in piedi (a causa della bassa pressione sanguigna)

Getting up and moving more slowly should help. Do not drive and do not use tools or machines while affected

Bocca secca

Prova a masticare gomme senza zucchero o a succhiare caramelle senza zucchero

Blurred vision, headache, feeling tired

Se uno di questi diventa problematico, parla con il tuo medico

Changes to the levels of minerals in your body

Your doctor will ask you to have blood tests to check for this

Se si verificano altri sintomi che ritieni possano essere dovuti al medicinale, parla con il tuo medico o farmacista per ulteriori consigli.

  • Tenere tutti i medicinali fuori dalla portata e dalla vista dei bambini.

  • Conservare in un luogo fresco e asciutto, lontano da fonti di calore e luce diretta.

Informazioni importanti su tutti i medicinali

Non assumere mai più della dose prescritta. Se sospetti che tu o qualcun altro possa aver assunto un sovradosaggio di questo medicinale, recati al pronto soccorso del tuo ospedale locale. Porta con te il contenitore, anche se è vuoto.

Questo medicinale è per te. Non darlo mai ad altre persone, anche se la loro condizione sembra essere la stessa della tua.

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Se hai domande su questo medicinale, chiedi al tuo farmacista.

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Ulteriori letture e riferimenti

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Storia dell'articolo

Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.

  • Next review due: 23 Aug 2027
  • 24 Feb 2023 | Ultima versione

    Ultimo aggiornamento di

    Michael Stewart, MRPharmS

    Revisione paritaria di

    Sid Dajani
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