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Valproate de semisodium pour le trouble bipolaire

Belvo, Depakote, Syonell

Clinical Author's Note MichaelStewart 24/01/2024: Further to the safety precautions in place for women of child-bearing age taking valproate medicines, the MHRA has issued new guidance for men wishing to father children. A new study has identified a possible risk to babies born to men who had taken valproate medicines in the three months before conception. As a precaution, male patients who are planning a family within the next year should discuss treatment options with their doctor.

Clinical Author's Note Michael Stewart 03/04/2018: valproate medicines must not be taken during pregnancy unless there is no suitable alternative. The MHRA and the European Medicines Agency have announced strengthened measures to further reduce the risk of exposure to valproate drugs during pregnancy. Any woman or girl of child-bearing potential who needs a valproate medicine must be enrolled on a pregnancy prevention programme. This will involve counselling on potential risks as well as ongoing pregnancy testing during treatment. Click on the link above for more information and speak with your doctor if you have any concerns.

Swallow the tablets with a drink of water. Do not chew or crush the tablets.

Take the tablets after a meal or a snack.

Each time you collect a new supply of tablets, make sure that they look the same as you have had before.

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About valproate semisodium

Type de médicament

An antiepileptic medicine

Utilisé pour

Treatment of mania associated with bipolar disorder (in adults)

Aussi appelé

Divalproex sodium (in US); Belvo®; Depakote®; Syonell®

Disponible sous forme de

Comprimés

Bipolar disorder is a long-term condition where you have lows (periods of depression) and highs (periods of mania or hypomania).

Valproate semisodium is prescribed as a mood stabiliser in bipolar disorder. It is a mixture of two similar ingredients - valproic acid and sodium valproate. It will have been given to you to help keep your mood within normal limits by helping to control the episodes of mania.

Valproate semisodium can also be prescribed to help prevent migraines. If you have been given it for this reason, speak with your doctor if you have any questions about your treatment, as there is no information in the leaflet about this.

There is also a medicine with a similar name but which is used to treat a different condition. See the separate medicine leaflet called Sodium valproate for epilepsy pour plus d'informations à ce sujet.

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 valproate semisodium it is important that your doctor knows:

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

  • If you or a close member of your family have liver problems.

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

  • Si vous avez une affection inflammatoire appelée lupus érythémateux systémique (également appelé lupus, ou LES).

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

  • 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.

  • If you have ever had an allergic reaction to a medicine.

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

  • Take valproate semisodium exactly as your doctor tells you to. Your dose will be printed on the label of the pack to remind you about what the doctor said. It is usual to be prescribed two or three doses to take each day.

  • Valproate semisodium should be taken with food, so take your doses with a snack or just after you have had a meal. Swallow the tablets whole with a drink of water. Do not chew or crush the tablets because they have a special protective coating.

  • Try to get into a habit of taking the tablets at the same times each day. This will help you avoid missing any doses.

  • 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.

  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. You will need to have some blood tests from time to time, particularly during the first few months of treatment.

  • Each time you collect a new supply of medicine from your pharmacy, make sure that the tablets look to be the same as you have had before. If they are different, please discuss this with your pharmacist who will advise you.

  • While you are taking valproate semisodium, there is a small risk that you may develop mood changes, distressing thoughts and feelings about suicide. If this happens, you must tell your doctor about it straightaway.

  • Your doctor is likely to recommend that you do not drink alcohol while you are on valproate semisodium.

  • This medicine will not normally be prescribed for you if you are a woman who could become pregnant. This is because valproate semisodium can cause harm to an unborn child.

  • If you buy any medicines, always check with a pharmacist that they are suitable to take with your other medicines. Medicines which contain aspirin (such as some cold or flu remedies and painkillers) can interfere with valproate semisodium and may be best avoided.

  • Continue to take the tablets until your doctor tells you otherwise. Stopping treatment suddenly can cause problems, so if it becomes necessary for your treatment to stop, your doctor may want you to reduce your dose over a few days.

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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 valproate semisodium. 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 valproate semisodium side-effects (these affect more than 1 in 10 people)


Que puis-je faire si je ressens cela ?

Sensation de malaise (nausée)

This usually passes after the first few days. Remember to take the tablets after meals

Feeling shaky

Si cela pose problème, parlez-en à votre médecin

Common valproate semisodium side-effects

(ces effets touchent moins de 1 personne sur 10)

Que puis-je faire si je ressens cela ?

Stomach ache, diarrhoea

These usually pass after the first few days. Remember to take the tablets after meals

Maux de tête

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

Increased appetite and weight gain

Try to eat a well-balanced diet and take regular exercise

Se sentir somnolent ou fatigué

Ne conduisez pas et n'utilisez pas d'outils ou de machines lorsque vous êtes affecté

Thinning of your hair

This is usually temporary and the hair regrows (although it may be curlier than before)

Uncontrolled muscle movements, lack of concentration, allergic reactions, problems with hearing, mood changes, painful periods

Let your doctor know about any of these

Problems with your liver, changes to some blood test results

Your doctor will routinely check for these

Important: valproate semisodium has been associated with a number of serious unwanted effects affecting the blood, pancreas and liver. Although these occur less commonly than some of the side-effects listed above, you must let your doctor know immédiatement if you notice any of the following:

  • An unexplained cough or sore throat, or any unusual bleeding or bruising.

  • Extreme tiredness, tummy (abdominal) pain, sickness (nausea and/or vomiting), dark urine or yellowing of your skin or the whites of your eyes (jaundice).

  • 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.

Si vous subissez une opération ou un traitement dentaire, informez la personne qui effectue le traitement des médicaments que vous prenez.

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.

MHRA - Signaler des réactions indésirables

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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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: 9 Jan 2027
  • 10 Jan 2024 | Dernière version

    Dernière mise à jour par

    Michael Stewart, MRPharmS

    Revu par

    Sid Dajani
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