Skip to product information
1 of 1

  • Images are for illustration purposes only

Dulcolax Laxative Suppositories 10mg - 12 Suppositories

Dulcolax Laxative Suppositories 10mg - 12 Suppositories

  • 1. Ozempic®️-equivalent therapy now available for weight management
  • 2. Average weight loss of 17%, with 1 in 3 patients achieving over 20%
  • 3. May help reduce osteoarthritis-related pain
  • 4. Wegovy®️ is not expected to impact the effectiveness of oral contraceptives
  • 5. Supports cardiovascular risk reduction
  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Relieves constipation within 15 to 30 minutes of insertion
  • ✔️ Acts directly on the bowel wall for targeted relief
  • ✔️ Suitable for adults and children aged 10 and over
  • ✔️ Useful when oral laxatives are not tolerated or suitable
  • ✔️ Pack of 12 suppositories for reliable at-home supply

Price Checker

Regular price £5.99
Sale price £5.99
Sale Sold out
  • Lowest price guarantee
  • Includes FREE private prescription
View full details

 

What Are Dulcolax Bisacodyl Suppositories 10mg?

 

Constipation is something most people experience at some point — and when it strikes, you want relief that actually works. Bisacodyl suppositories are a well-established, clinically proven option for adults and children over 10 who need fast, targeted relief from constipation. Each Dulcolax suppository contains 10mg of bisacodyl, a stimulant laxative that acts directly on the bowel wall rather than being absorbed into the bloodstream. This pack contains 12 suppositories, giving you a reliable supply at home. You can browse our full range of constipation treatments if you'd like to compare your options.

Dulcolax is one of the most recognised laxative brands in the UK, and the suppository form is particularly useful when oral medicines are not suitable — for example, if you're experiencing nausea, have difficulty swallowing, or need a quicker onset of action than tablets can provide.

 

How Do Dulcolax Suppositories Work?

 

Bisacodyl works as a stimulant laxative. Once inserted rectally, it acts locally on the mucosa of the large intestine. Here's what happens:

  • Bisacodyl stimulates the nerve endings in the bowel wall, triggering peristaltic contractions — the wave-like muscle movements that push stool along.
  • It also increases the secretion of water and electrolytes into the bowel lumen, which softens the stool and makes it easier to pass.
  • Because the suppository is inserted directly into the rectum, it bypasses the digestive system entirely, meaning it acts faster than oral laxatives — typically within 15 to 30 minutes.
  • Systemic absorption is minimal, so the effects remain largely local to the bowel.

This targeted mechanism is why bisacodyl suppositories are often preferred when speed matters or when oral intake is not possible.

 

Who Should Use Dulcolax Suppositories?

 

These suppositories are suitable for a range of situations. They're commonly used for short-term constipation relief, but they're also used clinically to prepare the bowel before certain medical examinations or procedures. They may be particularly helpful if:

  • You have occasional or short-term constipation and need relief within the hour.
  • You cannot take oral laxatives due to nausea, vomiting, or swallowing difficulties.
  • You are an adult or a child aged 10 years or over (under medical guidance for children).
  • You need bowel preparation before a medical procedure, as directed by your healthcare team.

If you're also managing related digestive discomfort, it may be worth exploring our IBS and cramps range for complementary support.

 

How Do Dulcolax Suppositories Compare to Oral Laxatives?

 

Feature Dulcolax Suppositories 10mg Dulcolax Tablets (Oral)
Active ingredient Bisacodyl 10mg Bisacodyl 5mg
Route of administration Rectal Oral
Onset of action 15–30 minutes 6–12 hours
Suitable if nauseous Yes No

 

How Should You Store Dulcolax Suppositories?

 

Store your bisacodyl suppositories below 25°C in a cool, dry place away from direct sunlight. Do not refrigerate unless the packaging specifically instructs you to, as this can make insertion more uncomfortable. Keep them in their original packaging and out of reach of children. Check the expiry date before use — do not use suppositories past their use-by date.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Dulcolax Laxative Suppositories 10mg - 12 Suppositories specifications
Treatment category Constipation relief / Bowel preparation
Active ingredient Bisacodyl 10mg
Mechanism of action Stimulant laxative — stimulates bowel peristalsis and increases fluid secretion into the bowel
Route of administration Rectal
Preparation Suppository
Strengths 10mg
Pack sizes 12 suppositories
Suitable for Adults and children aged 10 years and over
UK classification General Sale / Pharmacy Medicine (P)
Drug class Stimulant laxative
Effective Within 15–30 minutes of insertion

Specifications of Dulcolax Laxative Suppositories 10mg - 12 Suppositories

 

What Is Dulcolax and What Is It Used For?

 

Dulcolax Laxative Suppositories 10mg contain bisacodyl, a stimulant laxative used to treat constipation and to prepare the bowel before medical examinations or surgical procedures. Constipation is defined as passing fewer than three stools per week, or passing stools that are hard, dry, and difficult to pass. It's a common condition — the NHS estimates it affects around one in seven adults and one in three children in the UK at any given time. The suppository form delivers bisacodyl directly to the rectum, producing a bowel movement typically within 15 to 30 minutes.

 

What Do You Need to Know Before Using Dulcolax Suppositories?

 

Do not use Dulcolax suppositories if any of the following apply to you:

  • You are allergic to bisacodyl or any other ingredient in the suppository.
  • You have a bowel obstruction or ileus (paralysis of the bowel).
  • You have severe abdominal pain, nausea, or vomiting of unknown cause.
  • You have inflammatory bowel conditions such as Crohn's disease or ulcerative colitis (unless directed by a doctor).
  • You have anal fissures, rectal bleeding, or haemorrhoids that are actively bleeding — if you're managing haemorrhoids, see our haemorrhoids and piles range for appropriate products.
  • You are pregnant — always consult your GP or midwife before using any laxative during pregnancy.
  • The patient is a child under 10 years of age.

Known drug interactions to be aware of:

  • Diuretics and corticosteroids: concurrent use may increase the risk of electrolyte imbalance, particularly low potassium (hypokalaemia).
  • Antiarrhythmic medicines: electrolyte disturbances caused by overuse of laxatives may affect how these medicines work.
  • Other laxatives: avoid using multiple laxative products simultaneously without medical advice.

 

How Should You Use Dulcolax Suppositories?

 

Always use this medicine exactly as described in the patient information leaflet or as directed by your pharmacist or doctor. The suppository is for rectal use only — it must not be swallowed.

  1. Wash your hands thoroughly with soap and water before and after handling the suppository.
  2. Remove the suppository from its foil packaging carefully.
  3. Lie on your left side with your knees drawn up towards your chest (the left lateral position).
  4. Gently insert the suppository pointed end first into the rectum, pushing it in as far as is comfortable — approximately 3cm for adults.
  5. Remain lying down for a few minutes to allow the suppository to dissolve and begin working.
  6. Try to retain the suppository for at least 15 to 20 minutes before going to the toilet.
Indication Age Group Dose Frequency
Constipation relief Adults and children aged 10+ 1 suppository (10mg) Once daily
Bowel preparation Adults (as directed by doctor) 1–2 suppositories As directed
Children under 10 Not recommended

 

What Are the Possible Side Effects of Dulcolax Suppositories?

 

Like all medicines, Dulcolax suppositories can cause side effects, although not everyone experiences them. If you're also taking medicines for pain management, it's worth checking our pain relief range and speaking to a pharmacist about any interactions.

Common side effects (may affect up to 1 in 10 people):

  • Rectal irritation or a burning sensation after insertion
  • Abdominal cramps or discomfort
  • Diarrhoea
  • Nausea

Less common side effects (may affect up to 1 in 100 people):

  • Rectal bleeding (small amounts)
  • Feeling of incomplete evacuation
  • Electrolyte imbalance with prolonged use (e.g. low potassium)
  • Dizziness or faintness, particularly in elderly patients

Stop using the suppositories and seek medical advice if you experience rectal bleeding, severe abdominal pain, or if constipation persists after 5 days of use.

 

How Should You Store Dulcolax Suppositories?

 

  • Store below 25°C in a cool, dry place.
  • Do not store in the bathroom or near sources of heat or moisture.
  • Keep in the original packaging to protect from light.
  • Keep out of the sight and reach of children.
  • Do not use after the expiry date printed on the packaging.
  • Do not dispose of medicines via wastewater or household waste — return unused medicines to your pharmacy.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Dulcolax suppositories online in the UK?

You can buy Dulcolax bisacodyl suppositories 10mg directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. They are available without a prescription as an over-the-counter medicine. Simply add them to your basket and they'll be dispatched to your door.

How do Dulcolax suppositories work in the body?

Dulcolax suppositories contain bisacodyl, which acts directly on the lining of the large bowel once inserted rectally. It stimulates the bowel muscles to contract and increases fluid secretion into the bowel, softening the stool. Because it works locally rather than being absorbed systemically, it acts much faster than oral laxatives.

How long do Dulcolax suppositories take to work?

Dulcolax suppositories typically produce a bowel movement within 15 to 30 minutes of insertion. This is considerably faster than oral bisacodyl tablets, which can take 6 to 12 hours. The speed of action makes them particularly useful when you need relief quickly.

How do I use Dulcolax suppositories step by step?

Follow these steps for correct use:

  1. Wash your hands before and after handling.
  2. Lie on your left side with knees drawn up.
  3. Insert the suppository pointed end first into the rectum.
  4. Remain lying down for a few minutes, then try to retain it for 15–20 minutes before going to the toilet.
What is the correct dose of Dulcolax suppositories for adults?

The standard adult dose is one 10mg suppository inserted rectally once daily. Do not use more than one suppository per day unless specifically directed by your doctor. If constipation does not resolve within 5 days, speak to your pharmacist or GP.

Can children use Dulcolax 10mg suppositories?

Dulcolax 10mg suppositories are not recommended for children under 10 years of age without medical supervision. For children aged 10 and over, the adult dose of one 10mg suppository may be used, but always seek advice from a pharmacist or GP first. For younger children, a doctor should always be consulted before using any laxative.

What are the side effects of Dulcolax suppositories?

Common side effects include rectal irritation, a burning sensation after insertion, abdominal cramps, and diarrhoea. Less commonly, you may experience rectal bleeding or dizziness. If you notice severe abdominal pain or significant rectal bleeding, stop use immediately and seek medical advice.

How long can you use Dulcolax suppositories for?

Dulcolax suppositories should not be used for more than 5 consecutive days without speaking to a doctor or pharmacist. Prolonged use of stimulant laxatives without medical supervision is not recommended, as it can lead to dependence or electrolyte imbalance. If constipation is a recurring problem, speak to your GP about underlying causes.

Are Dulcolax suppositories safe to use during pregnancy?

You should always consult your GP or midwife before using any laxative during pregnancy, including Dulcolax suppositories. While bisacodyl has minimal systemic absorption, it is not routinely recommended in pregnancy without medical guidance. Your healthcare provider can advise on the safest option for you.

What happens if I use more than one Dulcolax suppository at a time?

Using more than the recommended dose increases the risk of side effects such as severe diarrhoea, abdominal cramps, and electrolyte imbalance. Do not exceed one suppository per day unless your doctor has specifically instructed otherwise. If you accidentally use too many, contact NHS 111 or your pharmacist for advice.

What are the alternatives to Dulcolax suppositories for constipation?

There are several alternatives depending on your needs, including oral stimulant laxatives (such as senna or oral bisacodyl tablets), osmotic laxatives (such as lactulose or macrogol), and bulk-forming laxatives (such as ispaghula husk). You can explore the full range in our constipation treatments collection. Your pharmacist can help you choose the most appropriate option.

Can I use Dulcolax suppositories if I have haemorrhoids?

If you have actively bleeding haemorrhoids or anal fissures, you should not use Dulcolax suppositories without first speaking to your doctor or pharmacist. Rectal insertion could cause further irritation or discomfort. For haemorrhoid-specific treatments, visit our haemorrhoids and piles range.

Do Dulcolax suppositories interact with other medicines?

Bisacodyl suppositories have minimal systemic absorption, so drug interactions are uncommon. However, prolonged or excessive use alongside diuretics or corticosteroids may increase the risk of low potassium levels (hypokalaemia). Always tell your pharmacist about all medicines you are taking before starting a new treatment.

What is the best time to use Dulcolax suppositories?

Most people find it convenient to use Dulcolax suppositories in the morning, as they work within 15 to 30 minutes and you can plan around the expected bowel movement. Using them when you have time to remain lying down briefly and then access a toilet easily is ideal. Avoid using them immediately before leaving the house.

What does the latest research say about bisacodyl suppositories?

Bisacodyl has been used clinically for decades and remains a well-supported option in current NHS and NICE guidance for short-term constipation management. It is listed in the British National Formulary (BNF) as a stimulant laxative suitable for rectal use. No significant new safety concerns have emerged in recent literature, and it continues to be recommended for appropriate short-term use.

How Should You Use Dulcolax Suppositories?

Dulcolax suppositories are for rectal use only and should never be swallowed. Before you begin, make sure you have read the patient information leaflet supplied with the pack. Wash your hands thoroughly before and after handling the suppository to maintain good hygiene.

If you find insertion uncomfortable, you may moisten the tip of the suppository with a small amount of water before use. Do not use lubricants that could affect the suppository's dissolution.

What Is the Correct Dose of Dulcolax Suppositories?

Always follow the dosage instructions on the packaging or as directed by your pharmacist or doctor. The table below summarises the recommended doses for different patient groups. Do not exceed the stated dose.

When Is the Best Time to Use Dulcolax Suppositories?

Most people find it most practical to use Dulcolax suppositories in the morning, when they have time to remain lying down briefly and then have easy access to a toilet. Because the suppository typically works within 15 to 30 minutes, it's sensible to plan around this window. Avoid using them immediately before leaving the house or travelling.

Using the suppository at a consistent time each day — if ongoing use is medically appropriate — can also help to establish a regular bowel routine. Always ensure you have time to respond to the urge to defecate when it occurs.

How Long Can You Use Dulcolax Suppositories For?

Dulcolax suppositories are intended for short-term use only. Do not use them for more than 5 consecutive days without first speaking to your doctor or pharmacist. Prolonged use of stimulant laxatives can lead to dependence, reduced bowel function, and electrolyte imbalances such as low potassium.

If constipation persists beyond 5 days, or if it is a recurring problem, you should seek medical advice to identify any underlying cause. Lifestyle changes such as increasing dietary fibre, fluid intake, and physical activity are recommended as first-line measures by the NHS.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

What Are the Most Common Side Effects of Dulcolax Suppositories?

Most people tolerate Dulcolax suppositories well when used as directed, but some side effects can occur. Common side effects are generally mild and short-lived, resolving once the bowel has emptied.

  • Rectal irritation or a burning sensation at the site of insertion
  • Abdominal cramps or discomfort
  • Diarrhoea
  • Nausea
  • A feeling of urgency to use the toilet

These effects are a normal part of how the medicine stimulates the bowel. They should ease once the bowel movement has occurred.

What Are the Less Common Side Effects of Dulcolax Suppositories?

Less common side effects occur in a smaller number of people and may require attention if they persist or worsen. If you notice any of the following, speak to your pharmacist or GP.

  • Small amounts of rectal bleeding
  • A feeling of incomplete bowel evacuation
  • Dizziness or faintness, particularly in elderly patients
  • Electrolyte imbalance (such as low potassium) with prolonged or excessive use
  • Mucus in the stool

Electrolyte disturbances are more likely if you are also taking diuretics or corticosteroids, or if you use laxatives more frequently than recommended.

What Are the Serious Side Effects of Dulcolax Suppositories?

Serious side effects are rare but require prompt medical attention. Stop using the suppositories immediately and seek medical advice if you experience any of the following:

  • Significant or persistent rectal bleeding
  • Severe abdominal pain that does not resolve
  • Signs of severe dehydration: extreme thirst, very dark urine, dizziness, or confusion
  • Muscle weakness or irregular heartbeat, which may indicate a serious electrolyte imbalance

These symptoms may indicate a more serious underlying condition that requires investigation by a healthcare professional.

What Should You Do If You Experience Side Effects?

For mild side effects such as rectal irritation or brief abdominal cramps, no specific treatment is usually needed — they should resolve on their own. Staying well hydrated can help. If diarrhoea is prolonged, ensure you replace fluids and electrolytes. For any side effect that concerns you, or that does not improve, contact your pharmacist or GP for guidance. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Dulcolax Suppositories Interact With Other Medicines?

Because bisacodyl suppositories act locally in the rectum with minimal systemic absorption, significant drug interactions are uncommon. However, there are a few situations to be aware of. Using bisacodyl alongside diuretics (water tablets) or corticosteroids (steroid medicines) may increase the risk of low potassium levels, particularly with prolonged use. Antiarrhythmic medicines used to treat heart rhythm problems may be affected by electrolyte disturbances caused by laxative overuse. Always inform your pharmacist of all medicines, supplements, and herbal remedies you are taking before starting Dulcolax suppositories.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

We’re a safe and
regulated UK service

Registered Pharmacy Badge

Lowest Price Guarantee

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

100% discreet packaging

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

Agent

Need help?
Talk to our friendly experts now

How our service works

Service Setup

Service setup

Discreet Packaging

Discreet packaging

Express Delivery

Express delivery