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Dulcolax is a stimulant laxative tablet containing bisacodyl 5mg, used for the short-term relief of occasional constipation, with a special coating so it acts in the bowel and usually works overnight, pack of 8, sold by Ways Pharmacy (UK).
Key facts
| Active ingredient | Bisacodyl 5mg per tablet |
|---|---|
| Type | Stimulant laxative |
| Format | Gastro-resistant tablets to swallow whole |
| Pack | 8 tablets |
| Relieves | Occasional, short-term constipation |
| Age | Adults and children 12 years and over; purchaser must be 16+ |
| Onset | Usually works 6–12 hours after the bedtime dose |
| Sold by | Ways Pharmacy, UK (GPhC-registered) |
Who it is for
- Adults and children 12 and over with occasional constipation
- People who want a predictable laxative that typically works overnight
- People who have not had relief from increasing fibre and fluids alone
Not suitable for: children under 12 (unless on medical advice); anyone with a bowel blockage, severe dehydration or inflammatory bowel disease; anyone with ongoing abdominal pain or blood in the stool, who should see a doctor. It is not a weight-loss aid, and overuse can be harmful. Speak to your pharmacist before use if you are pregnant, breastfeeding, or take other medicines.
How to use
- Read the patient information leaflet on the pack before you start.
- Adults and children 12 and over: take 1 to 2 tablets at night; start with one and increase to two if needed.
- Swallow the tablets whole; do not chew or crush them, and do not take with milk or antacids.
- Drink plenty of fluids while using a laxative.
- If you still have no bowel movement, or symptoms persist for more than a few days, speak to your doctor or pharmacist.
Frequently asked questions
How does Dulcolax work?
Bisacodyl is a stimulant laxative. It works on the wall of the bowel to encourage it to move and push the stool along, helping you have a bowel movement.
How long does Dulcolax take to work?
Taken at night, Dulcolax tablets usually produce a bowel movement within 6 to 12 hours, so they often work the next morning.
How long can I take Dulcolax?
It is for short-term, occasional use. If you need a laxative every day, or constipation continues, speak to your doctor or pharmacist so the cause can be checked.
Can I take Dulcolax in pregnancy?
If you are pregnant or breastfeeding, speak to your pharmacist or doctor before use so they can advise whether it is suitable for you.
Is Dulcolax safe to use for weight loss?
No. Laxatives do not reduce the calories your body absorbs from food and are not a weight-loss aid. Misusing them can be harmful.
Safety and storage
- Always read the patient information leaflet before use, as manufacturers update it regularly.
- See your doctor if you have continuous abdominal pain, blood in the stool, or symptoms lasting more than five days.
- Do not use if you have a bowel blockage or severe dehydration.
- Store below 25°C; keep the blister strips in the carton.
- Keep out of the sight and reach of children and do not use after the expiry date.
References
This page provides factual information about an over-the-counter stimulant laxative. Always read the patient information leaflet before use. If constipation persists or you have abdominal pain or blood in the stool, speak to a pharmacist or doctor. Suspected side effects can be reported via the MHRA Yellow Card Scheme.
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