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Related terms
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    Related terms
    • U.S. Brand Names: Alophen® [OTC];Bisac-EvacT [OTC];BiscolaxT [OTC];Correctol® Tablets [OTC];DacodylT [OTC];Doxidan® [OTC];Dulcolax® [OTC];ex-lax® Ultra [OTC];FemilaxT [OTC];Fleet® Bisacodyl [OTC];Fleet® Stimulant Laxative [OTC];Veracolate® [OTC]
    • Canadian Brand Names: Apo-Bisacodyl®;Carter's Little Pills®;Dulcolax®;Gentlax®
    • Mexican Brand Names: Dulcolax
    • Pharmacologic Category: Laxative, Stimulant

    • This medicine is used to treat constipation.
    • Bisacodyl increases the activity of the bowel.


    How to take

    • Drink plenty of noncaffeine-containing liquid unless told to drink less liquid by healthcare provider.
    • Oral:
    • Take this medicine at bedtime.
    • Take this medicine with food to prevent stomach upset.
    • Swallow whole. Do not chew, break, or crush.
    • Rectal:
    • Use suppository rectally.

    Missed Dose

    • Many times this medicine is taken on an as needed basis.


    • Store at room temperature.
    • Protect tablets from moisture. Do not store in a bathroom or kitchen.



    • If you have an allergy to bisacodyl or any other part of this medicine.
    • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
    • If you have any of the following conditions: Intestinal blockage, nausea, or vomiting.


    • This medicine may be habit-forming with long-term use.
    • Do not take dairy products, calcium supplements, or magnesium within 1 hour of this medicine.
    • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
    • Tell healthcare provider if you are pregnant or plan on getting pregnant.
    • Tell healthcare provider if you are breast-feeding.

    Side Effects

    • Belly pain.
    • Gas.
    • Stomach cramps.


    • Change in condition being treated. Is it better, worse, or about the same?

    Contact a healthcare provider

    • If you suspect an overdose, call your local poison control center or emergency department immediately.
    • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
    • Severe belly pain.
    • Severe constipation.
    • Any rash.
    • No improvement in condition or feeling worse.

    General Statements

    • If you have a life-threatening allergy, wear allergy identification at all times.
    • Do not share your medicine with others and do not take anyone else's medicine.
    • Keep all medicine out of the reach of children and pets.
    • Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada return any unused drugs back to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th for more facts about the right way to get rid of unused drugs.
    • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
    • Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
    • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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