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Bisacodyl

Dulcolax, Sovolax

Bisacodyl should only be used to provide short-term relief from constipation.

If you are still constipated after using bisacodyl for five days, you should see your doctor.

Stimulant laxatives should not be used by children under 12 years of age.

Overuse can be harmful and does not help with weight loss.

Eating a healthy diet, drinking plenty of water and getting regular gentle exercise can all help maintain good bowel function.

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What is bisacodyl?

Type de médicament

Stimulant laxative

Utilisé pour

Constipation
Before some surgery and medical examinations

Also known as

Dulcolax®, Sovolax®

Disponible sous forme de

Tablets and suppositories

Constipation can be caused by a poor diet, not drinking enough water and not going to the toilet as soon as you feel you need to. Pregnancy, a lack of exercise or movement (such as being ill in bed) and some medicines, including some painkillers, can also cause constipation.

However, many people take laxatives when they do not need to because they believe that they are constipated unless they go to the toilet every day. This is not the case. A useful definition of constipation is going to the toilet less frequently than is normal for you, and passing hard stools (faeces) when you do go.

Bisacodyl works by encouraging the muscles in your bowel to move stools through your body. This helps you to go to the toilet. Tablets usually have an effect within 10-12 hours. Suppositories will take between 10-60 minutes to work, but usually have their effect within 30 minutes. Bisacodyl preparations are available to buy without a prescription at pharmacies and other retail outlets.

Bisacodyl is sometimes used to clear the bowel before a medical examination which requires the bowel to be empty. When it is used like this, you will be provided with a small supply of bisacodyl by your hospital or clinic.

To make sure this is the right treatment for you, ask for advice from a doctor or pharmacist before you start using bisacodyl if any of the following apply to you:

  • If you are pregnant, trying for a baby or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.

  • If it is for a child under 10 years of age. This is because bisacodyl should only be given to children on the advice of a doctor or healthcare professional.

  • If you have severe pain in your tummy (abdomen) and feel sick (nausea).

  • If you have recently had any bowel or abdominal surgery.

  • If you are lacking in fluid in the body (dehydrated) or take 'water tablets' (diuretics).

  • 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 this treatment, read the manufacturer's printed information leaflet from inside your pack. The leaflet will give you more information about bisacodyl and a full list of side-effects which you may experience from taking it.

  • Take one or two 5 mg tablets with a drink of water (do not take with milk). Bisacodyl tablets take about 10-12 hours to work; therefore, they are best taken at bedtime. Do not chew or break the tablets.

  • A suppository can be used instead of taking tablets. Use one suppository daily. It will take between 10-60 minutes to work and therefore should preferably be used in the morning. It will usually have its effect within 30 minutes. There are two strengths of suppository: 10 mg which is suitable for adults, and 5 mg which is suitable for older children (and younger children when prescribed by a doctor).

  • Bisacodyl should only be used for a short time. This is because your bowel can start to rely on this type of laxative to make it work rather than working on its own. If you are still constipated after taking bisacodyl for five days, you should speak with your doctor.

How to use a suppository

  1. Retirez le suppositoire de l'emballage.

  2. Moisten the suppository with a little tap water.

  3. Using your finger, gently push the suppository into the back passage (rectum) as far as is comfortable.

  4. Remain still for a little while to help hold the suppository in place. It will start to work in about 20 minutes or so.

  5. Wash your hands after use.

  • Do not take indigestion remedies at the same time as bisacodyl tablets. This is because bisacodyl tablets have a special coating on them which is affected by antacid preparations. If you need to take something for indigestion, make sure you take it more than two hours before you take bisacodyl, or alternatively wait for two hours after you have taken bisacodyl.

  • A healthy diet containing fibre (whole grain breads and cereals, bran, fruit and green leafy vegetables) with six to eight full glasses of water each day and daily exercise are important in maintaining healthy bowel function.

  • You can read more about how to prevent or treat constipation in the separate leaflets called Constipation (for adults) and Constipation in Children.

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En plus de leurs effets bénéfiques, la plupart des médicaments peuvent provoquer des effets secondaires indésirables, bien que tout le monde ne les ressente pas. Ceux-ci s'améliorent généralement à mesure que votre corps s'adapte au nouveau médicament, mais parlez à votre médecin ou à votre pharmacien si l'un des effets secondaires suivants persiste ou devient gênant.

Common bisacodyl side-effects - these affect fewer than 1 in 10 people who use this medicine

Que puis-je faire si je ressens cela ?

Sensation de malaise (nausée)

Optez pour des aliments simples

Loose or watery stools (diarrhoea)

Stop using bisacodyl. This can be a result of taking bisacodyl unnecessarily or for too long

Tummy cramps or discomfort

Cela devrait bientôt passer

Suppositories may cause irritation to the bottom

Try applying a gentle moisturiser to that area

Important: do not use bisacodyl for more than five days without speaking to your doctor or a pharmacist. Overuse of stimulant laxatives is harmful; it leads to loss of fluids and can make you dehydrated. It can also prevent your intestines from working properly. Signs you are dehydrated include feeling thirsty, dark urine, shaky or weak muscles, blurred vision and fainting

Si vous ressentez d'autres symptômes que vous pensez être dus à ce médicament, parlez-en à votre médecin ou à votre pharmacien.

  • 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 directe et de la lumière.

Informations importantes sur tous les médicaments

Never take more than the recommended dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital at once. Take the container with you, even if it is empty.

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.

If you buy any medicines, check with a pharmacist that they are suitable for you to take with your other medicines.

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 site web Yellow Card.

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Vous n'êtes pas sûr de mélanger des médicaments ?

Vérifiez les interactions possibles entre les médicaments, les compléments et les aliments avant de les prendre ensemble.

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.

  • Prochaine révision prévue : 27 fév. 2027
  • 30 août 2022 | Dernière version

    Dernière mise à jour par

    Michael Stewart, MRPharmS

    Revu par

    Sid Dajani
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