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Comprimés d'indapamide

Natrilix SR

Indapamide is prescribed for high blood pressure (hypertension).

Il est préférable de le prendre le matin.

Any side-effects are usually mild. The most common are a skin rash, feeling sick (nausea), and feeling dizzy.

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About indapamide

Type de médicament

An antihypertensive

Utilisé pour

Hypertension artérielle

Aussi appelé

Standard-release tablets: Natrilix® Modified-release tablets: Alkapamid® XL; Cardide® SR; Lorvacs® XL; Natrilix SR®
Combination brand
: Coversyl® Arginine Plus (indapamide with perindopril)

Disponible sous forme de

Tablets and modified-release tablets

Indapamide is prescribed for the treatment of hypertension artérielle (hypertension). Although it belongs to a group of medicines called diuretics (which generally work by making the kidneys pass more urine out of the body), at the doses prescribed for hypertension, indapamide is considered to work by widening (dilating) blood vessels. By widening the blood vessels, it reduces the pressure inside the blood vessels and over time this leads to a lowering of high blood pressure.

Indapamide is available as standard tablets and also as modified-release tablets. Both forms of tablet are taken just once daily. The modified-release tablets have letters such as 'XL' or 'SR' after their brand name. Modified-release tablets release indapamide more slowly over the day than the standard tablets do.

Indapamide can be used as a treatment for high blood pressure on its own, or it can be prescribed in combination with other medicines which reduce blood pressure.

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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 indapamide it is important that your doctor knows:

  • Si vous êtes enceinte ou si vous allaitez.

  • Si vous avez des problèmes avec le fonctionnement de votre foie, ou des problèmes avec le fonctionnement de vos reins.

  • If you have gout, diabetes or an inflammatory condition called systemic lupus erythematosus (also called lupus, or SLE). These conditions can be made worse by medicines like indapamide.

  • Si un médecin vous a informé que vous avez des niveaux faibles de sodium ou de potassium dans votre sang, ou des niveaux élevés de calcium dans votre sang.

  • If you have a problem with your adrenal glands, called Maladie d'Addison.

  • Si vous avez un trouble sanguin héréditaire rare appelé porphyrie.

  • Si vous prenez ou utilisez 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 complémentaires.

  • If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you have an allergy to penicillin or you have had an unusual reaction to a medicine known as a 'sulfonamide'.

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

  • Take indapamide exactly as your doctor tells you to. The usual dose is one tablet daily. Your doctor is likely to recommend that you take the tablet in the morning.

  • Swallow the tablet with a drink of water. You can take it either before or after a meal.

  • If you have been prescribed a modified-release tablet (these have 'SR' or 'XL' after the brand name), these tablets should be swallowed whole. Do not break, crush or chew them.

  • If you forget to take a dose, take it as soon as you remember. However, if it is after 6 pm, you should skip the forgotten dose and take your next dose as usual on the following day. Do not take two doses on the same day to make up for a missed dose.

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  • Treatment for high blood pressure (hypertension) is usually 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 these tablets regularly to help reduce the risk of this.

  • Try to keep your regular appointments with your doctor. This is so your doctor can monitor your blood pressure and check on your progress. Also, the salt balance in your bloodstream may be upset by indapamide and your doctor may want you to have a blood test from time to time to check for this.

  • Votre médecin peut vous donner des conseils sur le mode de vie ou l'alimentation, tels que l'arrêt du tabac, la réduction de la quantité de sel dans votre alimentation et la pratique d'un exercice régulier. Suivre ces conseils aidera également à réduire le risque de dommages à votre cœur et à vos vaisseaux sanguins.

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

  • If you are due to have an operation or dental treatment, you should tell the person carrying out the treatment which medicines you are taking.

  • If you are an athlete, please be aware that indapamide may give a positive reaction in doping tests.

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 indapamide. 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.

Common indapamide side-effects (these affect fewer than 1 in 10 people)

Que puis-je faire si je ressens cela ?

A rash, or an increased sensitivity to sunlight

Speak with your doctor for advice as your treatment may need to be reviewed

A low level of potassium in your blood

Your doctor may arrange blood tests to check for this. Watch out for signs such as tiredness and muscle cramps

Less common indapamide side-effects

(these affect fewer than 1 in 100 people)

Que puis-je faire si je ressens cela ?

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

Stick to simple foods - avoid rich or spicy meals. Try taking the tablet after a meal if you are not already doing so

Feeling dizzy, particularly when you stand up (due to low blood pressure)

Getting up more slowly should help. Do not drive and do not use tools or machines until you feel better

Important : In very rare cases 'sulfonamide' medicines have caused sudden raised pressure in the eyes leading to serious vision problems. It can happen in the first few days to weeks of starting the medicine. The risk is higher if you have had a previous allergic reaction to penicillin or to other 'sulfonamide' medicines. Seek urgent medical attention if you have sudden, severe eye pain with a red eye and reduced or blurred vision. Tell the person treating you that you are taking this medicine.

Si vous ressentez d'autres symptômes que vous pensez être dus aux comprimés, parlez-en à votre médecin ou à votre pharmacien pour obtenir des conseils supplémentaires.

  • 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 pas à d'autres personnes même si leur état semble être le même que le vôtre.

Si vous achetez des médicaments, vérifiez avec un pharmacien qu'ils sont compatibles avec vos autres médicaments.

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.

Signaler les effets secondaires d'un médicament ou d'un vaccin

Si vous ressentez des effets secondaires, vous pouvez les signaler en ligne via le Yellow Card website.

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Lectures complémentaires et références

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Historique de l'article

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

  • Next review due: 22 May 2027
  • 9 juin 2024 | Dernière version

    Dernière mise à jour par

    Michael Stewart, MRPharmS

    Revu par

    Sid Dajani
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