WikiDrug / Laxatives / Dulcolax

Dulcolax Stimulant Laxative Tablets for Occasional Constipation

Overview

Dulcolax is an oral stimulant laxative containing bisacodyl, used to relieve occasional constipation and irregularity. The coated tablets are designed for oral administration and generally produce a bowel movement within 6 to 12 hours after taking.

What is it used for?

Dulcolax is indicated for relief of occasional constipation and irregular bowel movements in adults and children aged 6 years and older. It is intended for short-term use to promote bowel movements.

Active ingredients

Bisacodyl

How it works

Bisacodyl, the active ingredient in Dulcolax, stimulates the muscles of the intestines to increase bowel activity, which helps move stool through the colon and encourages a bowel movement.

Dosage and administration

Adults and children 12 years and over:

Take 1 to 3 tablets once daily with a glass of water.

Children 6 to under 12 years:

Take 1 tablet once daily with a glass of water.

Children under 6 years:

Consult a doctor before use.

Administration instructions: Swallow tablets whole; do not chew or crush. Do not take within 1 hour after an antacid or milk.

Contraindications

  • Do not use if you are unable to swallow the tablets without chewing.

Warnings and precautions

  • Do not use if you cannot swallow the tablets whole without chewing.
  • Consult a doctor before use if you have stomach pain, nausea, vomiting, or a sudden change in bowel habits lasting more than 2 weeks.
  • Possible side effects include stomach discomfort, faintness, and cramps.
  • Stop use and seek medical advice if you experience rectal bleeding or fail to have a bowel movement after use, as these may indicate serious conditions.
  • Do not use this product for more than one week unless directed by a healthcare professional.
  • In case of overdose, seek immediate medical help or contact a Poison Control Center.

Side effects

Common side effects may include stomach discomfort, faintness, and abdominal cramps.

Drug interactions

Do not take Dulcolax within one hour of antacids or milk, as these can affect its effectiveness.

Pregnancy and breastfeeding

Consult a health professional before using Dulcolax if you are pregnant or breastfeeding.

Overdose information

In case of overdose, seek immediate medical attention or contact a Poison Control Center.

Storage

  • Store at controlled room temperature between 20°-25°C (68°-77°F).
  • Protect from excessive humidity.

Manufacturer(s)

Medical references

  • U.S. National Library of Medicine – DailyMed
  • Official prescribing information
  • Other authoritative medical references, where applicable

References are used to support the medical information presented on this page.

Medical information disclaimer

The information on WikiDrug is provided for educational and informational purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about medication use.

Last updated November 6, 2026