Generic Name: Dulcolax Brand Name(s): Generics only. No brands available.


What is Dulcolax® (bisacodyl) used for?

Dulcolax® is commonly used for treating hard stools (constipation).

How should I take Dulcolax® (bisacodyl)?

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

Take with a full glass of water. Swallow whole. Do not chew, break, or crush.

How do I store Dulcolax® (bisacodyl)?

Dulcolax® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Dulcolax® in the bathroom or the freezer. There may be different brands of Dulcolax® that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Dulcolax® down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Dulcolax® (bisacodyl)?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Dulcolax® or other medications.
  • You have any other illnesses, disorders, or medical conditions.
  • You are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • You have any of these health problems: Bowel block, belly pain, upset stomach, rectal bleeding, throwing up, or change in bowel habits lasting >2 weeks.
  • You cannot swallow without chewing.

Do not use Dulcolax® for more than 1 week unless told to do so by your doctor.

Do not use other laxatives or stool softeners unless told to do so by the doctor.

If you have rectal bleeding or you do not have a bowel movement after using this medicine, talk with your doctor.

Do not take dairy products, calcium, or magnesium within 1 hour of Dulcolax®.

Do not take antacids within 1 hour of this medicine.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication. This medication is pregnancy risk category B, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Side effects

What side effects can occur from Dulcolax® (bisacodyl)?

Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat may occur when using this drug.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with Dulcolax® (bisacodyl)?

Dulcolax® may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Dulcolax® (bisacodyl)?

Dulcolax® may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Dulcolax® (bisacodyl)?

Dulcolax® may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Dulcolax® (bisacodyl).

What is the dose of Dulcolax® (bisacodyl) for an adult?

Adults and children 12 years of age and over:

1 suppository in a single daily dose. Peel open plastic. Insert suppository well into rectum, pointed end first. Retain about 15 to 20 minutes.

What is the dose of Dulcolax® (bisacodyl) for a child?

Children 6 to under 12 years of age: 1/2 suppository in a single daily dose.

Children under 2 years of age: ask a doctor.

How is Dulcolax® (bisacodyl) available?

Dulcolax® is available in the following dosage forms and strengths:

  • Suppository: bisacodyl 10mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Dulcolax®, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

msBahasa Malaysia

Review Date: August 31, 2017 | Last Modified: September 3, 2017

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