Bisakodyl
Dulcolax, Sovolax
Granskad av Sid DajaniSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 30 Aug 2022
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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.
Överblick
Bisacodyl is a stimulant laxative used to treat constipation.
It is available as tablets and suppositories, and also known as Dulcolax® or Sovolax®.
Tablets usually work within 10-12 hours; suppositories work within 10-60 minutes.
Do not use bisacodyl for more than five days without speaking to a doctor or pharmacist.
Common side-effects include nausea, diarrhoea, and tummy cramps.
Speak to a doctor before using bisacodyl if you are pregnant, breastfeeding, or it's for a child under 10.
What is bisacodyl?
Typ av medicin | Stimulant laxative |
Används för | Förstoppning |
Also known as | Dulcolax®, Sovolax® |
Tillgänglig som | Tablets and suppositories |
Förstoppning 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.
Before using bisacodyl
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).
Om du tar några andra läkemedel. Detta inkluderar alla läkemedel du tar som finns att köpa utan recept, samt växtbaserade och komplementära läkemedel.
Om du någonsin har haft en allergisk reaktion mot en medicin.
How to use bisacodyl
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
Remove the suppository from the wrapping.
Moisten the suppository with a little tap water.
Using your finger, gently push the suppository into the back passage (rectum) as far as is comfortable.
Remain still for a little while to help hold the suppository in place. It will start to work in about 20 minutes or so.
Wash your hands after use.
Få ut det mesta av din behandling
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 Förstoppning (for adults) and Förstoppning hos barn.
Can bisacodyl cause problems?
Förutom sina nyttiga effekter kan de flesta läkemedel orsaka oönskade biverkningar, även om inte alla upplever dem. Dessa förbättras vanligtvis när din kropp anpassar sig till det nya läkemedlet, men tala med din läkare eller apotekare om någon av följande biverkningar fortsätter eller blir besvärliga.
Common bisacodyl side-effects - these affect fewer than 1 in 10 people who use this medicine | Vad kan jag göra om jag upplever detta? |
Känner dig illamående (nausea) | Håll dig till enkel mat |
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 | Detta bör snart gå över |
Suppositories may cause irritation to the bottom | Try applying a gentle moisturiser to that area |
Viktigt: 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
Om du upplever några andra symtom som du tror kan bero på denna medicin, tala med din läkare eller apotekare.
How to store bisacodyl
Förvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
Viktig information om alla läkemedel
Viktig information om alla läkemedel
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.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
If you buy any medicines, check with a pharmacist that they are suitable for you to take with your other medicines.
Om du har några frågor om denna medicin, fråga din apotekare.
Rapportera biverkningar av ett läkemedel eller vaccin
Om du upplever biverkningar kan du rapportera dem online via Yellow Card webbplats.

Osäker på att blanda mediciner?
Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.
Vanliga frågor
Can I take bisacodyl during the day?
Bisacodyl tablets take about 10-12 hours to work, so they are generally best taken at bedtime. Suppositories, however, work much faster, typically within 10-60 minutes (usually 30 minutes), and are preferably used in the morning.
How long do the side effects of bisacodyl typically last?
Side effects from bisacodyl, such as feeling sick, loose stools, or tummy cramps, usually improve as your body adjusts to the medicine. If any side effects continue or become troublesome, or if you experience loose or watery stools, you should speak with your doctor or pharmacist. Diarrhoea can be a sign of taking bisacodyl unnecessarily or for too long.
Can toddlers or very young children use bisacodyl?
Bisacodyl should only be given to children under 10 years of age on the advice of a doctor or healthcare professional. There is a 5 mg strength suppository available that is suitable for older children, and for younger children when specifically prescribed by a doctor.
What should I do if I am still constipated after using bisacodyl for five days?
Bisacodyl should only be used for a short time, as your bowel can become reliant on stimulant laxatives. If you are still constipated after taking bisacodyl for five days, you should speak with your doctor.
What are the risks of using bisacodyl for too long?
Overuse of stimulant laxatives like bisacodyl is harmful. It can lead to a loss of fluids and dehydration, stopping your intestines from working properly. Signs of dehydration include feeling thirsty, dark urine, shaky or weak muscles, blurred vision, and fainting. Do not use bisacodyl for more than five days without consulting a doctor or pharmacist.
Vidare läsning och referenser
- Manufacturer's PIL, Dulcolax® Twelve Plus 5 mg Gastro-resistant Tablets; Sanofi, The electronic Medicines Compendium. Dated August 2020.
- Manufacturer's PIL, Dulcolax® Twelve Plus 10 mg Suppositories; Sanofi, The electronic Medicines Compendium. Dated September 2020.
- Mediciner Komplett BNF 89:e Utgåvan; Brittiska Läkarföreningen och Kungliga Farmaceutiska Sällskapet i Storbritannien, London.
Om författarenVisa fullständig biografi

Michael Stewart, MRPharmS
Ansvarig för granskning av medicinbroschyrer – Konsult, Apotekare
BPharm (Hons), MRPharmS
Michael är en apotekare som arbetar i Midlands och South Yorkshire med mer än 20 års erfarenhet av att ge råd om läkemedel och medicinska tillstånd. Han har en stark bakgrund inom vårdutbildning och har producerat och levererat utbildningskurser för apoteksteam och personal inom vårdboenden, inklusive sjuksköterskor. Han har också bidragit till apoteksrådgivande styrelser för hantering av mindre allvarliga tillstånd i samhället.
Om recensenten

Sid Dajani
Sultan Dajani tog examen vid London School of Pharmacy 1994 och blev den yngsta valda medlemmen i Royal Pharmaceutical Society-rådet sedan dess grundande 1842.
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
Next review due: 27 Feb 2027
30 Aug 2022 | Senaste versionen

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