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Bisacodyl (Dulcolax): uses, side effects & brands
Bisacodyl is a stimulant laxative for short-term constipation relief. It belongs to the Acidity, antacid & gut medicine group. These treat acidity, indigestion, ulcers, spasm and bowel problems.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Acidity, antacid & gut medicine |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Short-term relief of constipation
- Bowel clearing before procedures or surgery
- Constipation caused by some medicines, such as opioid painkillers (short-term, as advised)
Common brand names
- India: Dulcoflex, Bisacodyl
- Worldwide: Dulcolax
Common side effects
- Tummy cramps
- Diarrhoea
- Nausea
Before taking it — precautions
- Not for long-term daily use without advice
- Do not take within an hour of antacids or milk (tablets may dissolve too early)
- Avoid if there is severe abdominal pain or blockage
When to see a doctor urgently
- Severe abdominal pain or vomiting (urgent)
- Rectal bleeding
- Dizziness or weakness from fluid loss
Not a prescription — no dose shown. The right dose of bisacodyl depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
How quickly does Dulcolax work?
Tablets usually work within several hours; suppositories work faster.
Can I take it every day?
Not long-term without advice, as the bowel may become dependent.
Why not with milk?
Milk or antacids can break the tablet coating early, causing stomach irritation.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.