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Acébutolol - un bêta-bloquant

Sectral

Acebutolol is prescribed to treat a number of conditions. If you are unsure why you are taking it, speak with your doctor.

Treatment with acebutolol is usually long-term. Continue to take the tablets/capsules regularly - do not stop without speaking with your doctor first, as this can cause problems.

The most commonly experienced side-effects are tiredness and stomach upset.

At a glance

  • Acebutolol is a beta-blocker medicine used for high blood pressure, angina, and irregular heartbeats.

  • It works by slowing down your heart activity, making it beat more slowly and with less force.

  • Take acebutolol exactly as your doctor tells you, usually with water and after food.

  • Do not stop taking acebutolol suddenly, as this can cause problems.

  • Common side-effects include tiredness, dizziness, feeling sick, and headache.

  • Tell your doctor if you have asthma, diabetes, or other certain health problems before taking acebutolol.

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About acebutolol

Type de médicament

Un médicament bloquant les récepteurs bêta-adrénergiques (souvent appelé bêta-bloquant)

Utilisé pour

High blood pressure; angina; irregular heartbeats

Aussi appelé

Sectral®

Disponible sous forme de

Comprimés

Acebutolol belongs to the group of medicines known as bêta-bloquants. It works on the heart and blood vessels.

Acebutolol slows down the activity of your heart by stopping messages sent by some nerves to your heart. It does this by blocking tiny areas (called beta-adrenergic receptors) where the messages are received by your heart. As a result, your heart beats more slowly and with less force. This allows the pressure of blood within your blood vessels to be reduced if you have hypertension artérielle (hypertension), and helps to prevent abnormally fast and uneven heartbeats if you have a heart rhythm disorder (arrhythmia). Because your heart is using less energy, it helps to reduce chest pain if you have angine de poitrine.

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 acebutolol it is important that your doctor knows:

  • Si vous êtes enceinte, essayez d'avoir un bébé ou allaitez.

  • Si vous avez des problèmes avec le fonctionnement de vos reins.

  • Si vous avez de l'asthme ou tout autre trouble respiratoire.

  • If you have diabetes (diabetes mellitus).

  • If you have been told you have a slow heartbeat or a slow and irregular heartbeat (heart block).

  • If you have been told you have chest pain caused by spasms of your heart's blood vessels, a condition called Prinzmetal's angina.

  • If you have low blood pressure, heart failure, or poor circulation.

  • Si vous avez un problème de peau appelé psoriasis.

  • Si vous avez une affection provoquant une faiblesse musculaire, appelée myasthénie grave.

  • If you have a tumour on your adrenal gland, called phaeochromocytoma.

  • Si vous prenez d'autres médicaments. Cela inclut tous les médicaments que vous prenez et qui sont disponibles à l'achat sans ordonnance, ainsi que les médicaments à base de plantes et les médecines complémentaires.

  • Si vous avez déjà eu une réaction allergique à un médicament, ou si vous avez déjà eu une autre réaction allergique grave.

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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 acebutolol and will provide you with a full list of the side-effects which you may experience from taking it.

  • Your doctor will tell you what dose is right for you, and this information will be printed on the label of the pack to remind you. Take acebutolol exactly as your doctor tells you to. You may be asked to take a dose once, twice or three times a day.

  • Swallow the tablet with a drink of water. Acebutolol will work the same whether you take your doses before or after food; however, taking your doses after a meal will help to reduce the risk of stomach upset. Try to take your doses of acebutolol at the same times each day. This will help you to remember to take them regularly.

  • Acebutolol is available in several different strengths. When starting your treatment your doctor may give you a small dose at first and then gradually increase it. Each time you collect a fresh supply, it's a good idea to check the strength on the packet to make sure they are what you are expecting.

  • If you forget to take a dose, take it as soon as you remember. If when you remember, it is nearly time for your next dose then take your next dose when it is due but leave out the missed dose. Do not take two doses together to make up for a forgotten dose.

  • Essayez de respecter vos rendez-vous réguliers avec votre médecin. Cela permet à votre médecin de suivre vos progrès.

  • Treatment with acebutolol can often be long-term. Continue to take the tablets/capsules unless your doctor tells you to stop. Stopping treatment suddenly can cause problems in some people, so your doctor may want you to reduce your dose gradually if this becomes necessary.

  • If you are due to have an operation or dental treatment, it is important to tell the person carrying out the treatment that you are taking a beta-blocker. This is because some anaesthetics may increase the risk of unwanted effects.

  • If you drink alcohol, ask your doctor for advice. Alcohol will add to the blood pressure-lowering effect of acebutolol and so may not be advisable for you.

  • If you have diabetes, acebutolol can mask the symptoms of low blood sugar. Your doctor will advise you about this.

  • If you buy any medicines, check with a pharmacist that they are suitable for you to take. Some medicines (including some painkillers, cold and flu remedies) may not be.

  • Your doctor may give you dietary and lifestyle advice about eating a healthy diet, not smoking, and taking regular exercise. If so, it is important that you follow the advice you are given.

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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 acebutolol. You will find a full list in the manufacturer's information leaflet supplied with your tablets/capsules. 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.

Common acebutolol side-effects (these affect around 1 in 10 people)

Que puis-je faire si je ressens cela ?

Feeling tired or dizzy, blurred vision

Do not drive and do not use tools or machines until you feel more awake or able to see clearly

Feeling sick (nausea) or being sick (vomiting), diarrhoea

Stick to simple meals - avoid rich and spicy foods. If you are not already doing so, try taking your doses after meals

Maux de tête

Buvez beaucoup d'eau et demandez à votre pharmacien de vous recommander un antidouleur approprié. Si les maux de tête persistent, informez votre médecin

Cold hands or feet, feeling short of breath, disturbed sleep, mood changes, nightmares, skin rash

Si l'un de ces éléments devient problématique, parlez-en à votre médecin

Changes to your immune system

Let your doctor know if you feel unwell or experience any unusual aches or pains

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

  • Gardez tous les médicaments hors de la portée et de la vue des enfants.

  • Conserver dans un endroit frais et sec, à l'abri de la chaleur et de la lumière directes.

Informations importantes sur tous les médicaments

Ne prenez jamais plus que la dose prescrite. Si vous soupçonnez que vous ou quelqu'un d'autre avez pris une surdose de ce médicament, rendez-vous au service des urgences de votre hôpital local. Emportez le contenant avec vous, même s'il est vide.

Ce médicament est pour vous. Ne le donnez jamais à d'autres personnes, même si leur état semble être le même que le vôtre.

Ne gardez pas de médicaments périmés ou indésirables. Apportez-les à votre pharmacie locale qui s'en débarrassera pour vous.

Si vous avez des questions concernant ce médicament, demandez à votre pharmacien.

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Signalez les effets secondaires suspectés des médicaments, vaccins, cigarettes électroniques, incidents liés aux dispositifs médicaux, produits défectueux ou falsifiés (contrefaits) à l'Agence de Régulation des Médicaments et Produits de Santé pour garantir une utilisation sûre et efficace.

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Questions fréquemment posées

How does acebutolol work to control my blood pressure or heart rhythm?

Acebutolol works by slowing down the activity of your heart. It does this by blocking specific areas in your heart called beta-adrenergic receptors, which receive messages from nerves. This results in your heart beating more slowly and with less force, which in turn reduces blood pressure, prevents fast and uneven heartbeats, and lessens chest pain in angina by reducing the heart's energy usage.

Are there any specific medical conditions that might prevent me from taking acebutolol?

Yes, several conditions require your doctor to exercise extra care or might make acebutolol unsuitable for you. These include kidney problems, asthma or other breathing disorders, diabetes, a slow or irregular heartbeat (heart block), Prinzmetal's angina, low blood pressure, heart failure, poor circulation, psoriasis, myasthenia gravis, or a tumour on your adrenal gland called phaeochromocytoma. It's important to inform your doctor about any of these.

What should I do if I forget to take a dose of acebutolol?

If you forget a dose, take it as soon as you remember. However, if it's almost time for your next scheduled dose, you should skip the missed dose and just take your next dose as normal. Do not take two doses at once to compensate for a forgotten one.

Is it safe to drink alcohol while taking acebutolol?

Alcohol can increase the blood pressure-lowering effect of acebutolol, so it's advisable to talk to your doctor for advice on whether drinking alcohol is safe for you while on this medication.

Can I take other medications, including over-the-counter ones, with acebutolol?

You should always inform your doctor about all other medicines you are taking, including those bought without a prescription, as well as herbal and complementary medicines. When purchasing any new medicines, ask a pharmacist if they are suitable to take with acebutolol, as some, such as certain painkillers or cold and flu remedies, may not be.

What common side effects should I be aware of when taking acebutolol?

Common side effects, affecting about 1 in 10 people, include feeling tired or dizzy, blurred vision, feeling or being sick, diarrhoea, headache, cold hands or feet, feeling short of breath, disturbed sleep, mood changes, nightmares, a skin rash, and changes to your immune system. If any of these become troublesome or you experience other unusual symptoms, speak to your doctor or pharmacist.

How long will I need to take acebutolol?

Treatment with acebutolol is often long-term. You should continue taking the tablets as instructed by your doctor unless they tell you to stop. If stopping becomes necessary, your doctor may advise you to reduce your dose gradually, as suddenly stopping can cause problems for some people.

Lectures complémentaires et références

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About the authorView full bio

Author image

Michael Stewart, MRPharmS

Medicine Leaflet Review Manager – Contractor, Pharmacist

BPharm (Hons), MRPharmS

Michael is a community pharmacist practicing in the Midlands and South Yorkshire with more than 20 years’ experience advising on medicines and medical conditions. He has a strong background in healthcare training, having produced and delivered training courses for pharmacy teams and staff of residential care settings, including nurses. He has also contributed to pharmacy advisory boards for the management of low acuity conditions in the community.

About the reviewer

Author image

Sid Dajani

Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.

Historique de l'article

Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.

  • Next review due: 11 Dec 2026
  • 12 déc. 2023 | Dernière version

    Dernière mise à jour par

    Michael Stewart, MRPharmS

    Revu par

    Sid Dajani
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