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Bupropion tablets for help stopping smoking

Zyban

A combination of bupropion with counselling can increase your chance of successfully stopping smoking.

Start taking the tablets at least a week before your target stop date.

The most common side-effect is difficulty sleeping - the risk of this is less if you avoid taking doses near bedtime.

About bupropion

Tipo di medicinale

A smoking cessation aid

Utilizzato per

Helping people to stop smoking

Chiamato anche

Zyban®

Disponibile come

Compresse

Nicotine is a drug that is inhaled from the tobacco in cigarettes. It gets into the bloodstream, and stimulates the brain. Most regular smokers are addicted to nicotine. Even though you want to quit smoking, it can be difficult to succeed, because nicotine addiction is strong and hard to break. This is where bupropion can help.

Stopping smoking in somebody who smokes regularly causes a reduction of some chemicals in the brain. This leads to withdrawal symptoms such as cravings, anxiety, irritability and other symptoms associated with 'giving up'. Bupropion alters the levels of some of these chemicals and this is possibly how it relieves the withdrawal symptoms.

Bupropion does not 'make' you stop smoking. You still need determination to succeed and to break the smoking habit. A combination of bupropion with counselling from a nurse, doctor, pharmacist, or other health professional increases your chance of successfully stopping smoking. Therefore, most doctors will only prescribe bupropion to people who really want to stop smoking as part of a 'stopping smoking' programme.

Bupropion is also available as a combination product to support weight loss. If you are taking bupropion for this purpose and you need additional information, ask your pharmacist or doctor for advice.

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 bupropion it is important that your doctor knows:

  • If you are under 18 years of age, or over 65 years old.

  • Se sei incinta o stai allattando.

  • Se hai problemi con il funzionamento del tuo fegato, o problemi con il funzionamento dei tuoi reni.

  • If you have diabetes (diabetes mellitus).

  • If for any reason you are at risk of having a seizure.

  • If you have ever had an eating disorder, such as anorexia nervosa or bulimia.

  • If you have bipolar disorder.

  • If you have an inflammatory condition called systemic lupus erythematosus (also called lupus, or SLE).

  • If you regularly drink a lot of alcohol or if you have a drug problem.

  • If you have been told you have a tumour of the brain or spinal cord, or if you have ever had a serious head injury.

  • If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines. This is particularly important if you are taking digoxin for a heart condition. Your dose of digoxin may need to be adjusted before or after treatment with bupropion.

  • 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 bupropion and stopping smoking. It will also provide you with a full list of the side-effects which can be associated with bupropion.

  • Take bupropion exactly as your doctor tells you to. You will be asked to set yourself a date on which to stop smoking. Your doctor will then ask you to start taking bupropion tablets at least a week before this 'quit' date. The aim is to build up the dose so that your body gets used to the medicine before your quit date.

  • Start by taking one tablet (150 mg) each day for the first six days. Then from day seven onwards, take one tablet twice a day (unless you are told otherwise by your doctor). Make sure that you leave at least eight hours between the doses. Ideally, take one tablet in the morning and one early evening. Remember to stop smoking on the day you have set as your quit date.

  • It is not important whether you take bupropion tablets before or after food, but it is best if you try to take your doses at the same time(s) each day. This will help you to remember to take the tablets regularly.

  • Swallow the tablets whole with a glass of water - do not chew or break the tablets before you swallow.

  • Se dimentichi di prendere una dose, salta la dose dimenticata ma assicurati di ricordarti di prendere la dose successiva quando è il momento. Non prendere due dosi insieme per compensare la dose dimenticata.

  • Try to keep your regular appointments with your doctor or nurse. This is so that you can be given counselling and encouragement, and also so that a check can be kept on your progress. You will also need to have your blood pressure measured regularly, as this can increase in some people.

  • Make sure that your doctor or healthcare professional knows if you are taking any other medicines. This is because stopping smoking can change the way your body breaks down certain medicines. So, as a result of quitting, the dose of some prescribed medicines may need to be adjusted.

  • A full course of treatment with bupropion will last for 7-9 weeks in total. If you are still smoking after seven weeks, let your doctor know about this so that you can discuss the options that are available to you.

  • After your course of treatment, your doctor may suggest that you gradually reduce the dose over a few days before you finally stop taking the tablets.

  • If you buy any medicines, always check with a pharmacist that they are safe to take with your other medicines.

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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 bupropion. You will find a full list in the manufacturer's information leaflet supplied with your medicine. Some of the symptoms may also occur as a result of stopping smoking.

Common bupropion side-effects

Cosa posso fare se sperimento questo?

Difficoltà a dormire

Try to avoid taking your last dose near to bedtime

Feeling dizzy, difficulty concentrating

If this happens, do not drive and do not use tools or machines until you feel better

Mal di testa

Bevi molta acqua e chiedi al tuo farmacista di consigliarti un antidolorifico adatto. Se i mal di testa persistono, informa il tuo medico

Bocca secca

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

Feeling sick (nausea) or being sick (vomiting), stomach upset

Keep to simple foods. Try taking the tablets after meals

Costipazione

Eat a well-balanced diet and drink plenty of water each day

Mood changes, changes to the way things taste, feeling shaky, itchy rash, sweating, high temperature (fever)

Se problematico, parla con il tuo medico

Importante: if you feel depressed or start having thoughts about harming yourself, you must let your doctor know immediatamente. Depression can occur as a symptom of nicotine withdrawal and it can also on occasion occur as a result of taking bupropion.

On rare occasions, medicines that affect the level of serotonin in the brain can cause it to go too high and cause problems. The risk is higher if you are taking more than one medicine with this effect. Seek medical attention if you develop any combination of the following:

  • Stiff muscles or 'jerky' movements.

  • Unusually fast heartbeat.

  • High temperature (fever), feeling sick (nausea) or being sick (vomiting), diarrhoea.

  • Feeling delirious or seeing visions (hallucinating).

Se si verificano altri sintomi che ritieni possano essere dovuti alle compresse, 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.

This medicine is for you. Do not give it to others, even if their condition appears to be the same as yours.

If you are having any medical treatment, tell the person carrying out the treatment which medicines you are taking.

Non conservare medicinali scaduti o indesiderati. Portali alla tua farmacia locale che li smaltirà per te.

If you have any questions about your medicines, ask your pharmacist.

MHRA - Segnalazione di reazioni avverse

Segnala sospetti effetti collaterali di farmaci, vaccini, sigarette elettroniche, incidenti con dispositivi medici, prodotti difettosi o falsificati (falsi) all'Agenzia regolatoria dei medicinali e dei prodotti sanitari per garantire un uso sicuro ed efficace.

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Storia dell'articolo

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

  • Next review due: 8 Nov 2026
  • 9 Nov 2023 | Ultima versione

    Ultimo aggiornamento di

    Michael Stewart, MRPharmS

    Revisione paritaria di

    Sid Dajani
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