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Movicol Powder Sachets - 30 Sachets

Movicol Powder Sachets - 30 Sachets

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  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Relieves constipation in adults and children aged 12+
  • ✔️ Osmotic action softens stool without causing dependency
  • ✔️ Results typically within 24 to 48 hours of first dose
  • ✔️ Electrolyte formula maintains natural fluid balance
  • ✔️ 30 pre-measured sachets for convenient, accurate dosing

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What Are Movicol Powder Sachets Used For?

 

Constipation is something most people experience at some point, and it can be genuinely uncomfortable — leaving you feeling bloated, sluggish, and frustrated. Movicol powder sachets are one of the most widely used over-the-counter laxatives in the UK, recommended by GPs and pharmacists alike for the relief of constipation in adults and children aged 12 and over. Each pack contains 30 individual sachets, giving you a convenient, measured supply to manage symptoms at home. You can browse our full range of constipation treatments if you'd like to compare your options before buying.

Each sachet contains macrogol 3350 alongside a balanced mix of electrolytes — sodium chloride, sodium bicarbonate, and potassium chloride. This combination is important. The electrolytes help maintain your body's natural salt balance while the macrogol does the heavy lifting. The product is manufactured by Norgine and is licensed in the UK as a pharmacy (P) medicine, meaning it's available without a prescription but should be used according to the label instructions.

 

How Does Movicol Work to Relieve Constipation?

 

Movicol works through a process called osmosis. It's not absorbed into your bloodstream — instead, it stays in the gut and draws water from the surrounding tissues into the bowel. This extra fluid softens the stool and increases the volume of contents in the large intestine, which stimulates the natural urge to go. It's a gentle, predictable mechanism that doesn't cause the cramping associated with stimulant laxatives.

  • Macrogol 3350 binds water molecules in the gut
  • Water is retained in the bowel rather than being reabsorbed
  • Stool becomes softer and easier to pass
  • Bowel motility increases naturally as volume builds
  • Electrolytes prevent fluid and salt imbalance during treatment

 

Who Is Movicol Suitable For?

 

Movicol powder sachets are suitable for a wide range of people dealing with constipation. They're particularly useful if you've tried dietary changes — more fibre, more fluids — and haven't seen enough improvement. They're also commonly used for short-term relief during periods when constipation is more likely, such as after surgery, during travel, or when taking medicines that slow the bowel (like opioid painkillers).

  • Adults and children aged 12 and over with simple constipation
  • People who need a gentle, non-stimulant laxative option
  • Those managing constipation caused by medication side effects
  • Individuals who prefer a dissolvable sachet format over tablets or liquids

It is not suitable for children under 12 years — a different Movicol formulation exists for younger children, which should be discussed with a GP or paediatrician. If you're also managing symptoms like bloating or cramping alongside constipation, it may be worth exploring our IBS and cramps range for additional support.

 

How Does Movicol Compare to Other Laxatives?

 

Feature Movicol Powder Sachets Lactulose Syrup
Active ingredient Macrogol 3350 + electrolytes Lactulose
Mechanism Osmotic — draws water into bowel Osmotic — fermented by gut bacteria
Onset of action 24–48 hours 24–48 hours (can be slower)
Common side effects Bloating, wind, nausea Flatulence, bloating, diarrhoea
Suitable for diabetics Yes Caution — contains sugars
Format Dissolvable powder sachet Oral syrup

 

How Should Movicol Powder Sachets Be Stored?

 

Store Movicol powder sachets below 25°C in a dry place, away from direct sunlight. Keep them out of reach and sight of children. Once a sachet has been dissolved in water, the solution should be used within 6 hours — don't prepare it in advance and leave it overnight. Check the expiry date printed on the outer carton before use and do not use the product after that date.

If you're unsure whether Movicol powder sachets are right for you — particularly if you have kidney disease, heart failure, or are taking other medicines — speak to your pharmacist before starting. 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.

Movicol Powder Sachets - 30 Sachets specifications
Treatment category Constipation
Mechanism of action Osmotic laxative — draws water into the bowel to soften stool
Effective for Constipation in adults and children aged 12 and over
Suitable for Adults and adolescents aged 12+
Active ingredient Macrogol 3350 13.125g, sodium chloride 350.7mg, sodium bicarbonate 178.5mg, potassium chloride 46.6mg per sachet
Pack size 30 sachets
UK classification Pharmacy (P) medicine
Drug class Osmotic laxative
Preparation Powder for oral solution
Route of administration Oral

Specifications of Movicol Powder Sachets - 30 Sachets

 

What Is Movicol and What Is It Used For?

 

Movicol is an osmotic laxative used to treat constipation in adults and young people aged 12 and over. It is also used to treat faecal impaction — a condition where a large, hard mass of stool becomes stuck in the rectum and cannot be passed normally. The active ingredient, macrogol 3350, works by retaining water in the bowel rather than being absorbed into the body, which makes it a well-tolerated option for many people. According to NHS guidance, macrogol-based laxatives are among the first-line treatments recommended for constipation.

 

What Do You Need to Know Before Using Movicol?

 

Before using Movicol, it's important to check whether it's appropriate for your situation. There are certain conditions where it should not be used, and others where extra care is needed.

Do not use Movicol if you have:

  • A known allergy to macrogol 3350 or any of the other ingredients
  • Intestinal obstruction or perforation
  • Paralytic ileus (a condition where the bowel stops moving)
  • Severe inflammatory bowel disease such as toxic megacolon, Crohn's disease in a severe flare, or ulcerative colitis in a severe flare

Take extra care and speak to your pharmacist or GP if you:

  • Have heart disease, kidney disease, or liver problems
  • Are taking diuretics (water tablets) or corticosteroids
  • Have a condition that affects your fluid or electrolyte balance
  • Are pregnant or breastfeeding — while macrogol is not significantly absorbed, always seek advice first
  • Have reflux oesophagitis or impaired gag reflex

Drug interactions to be aware of:

  • Movicol may temporarily reduce the absorption of other oral medicines taken at the same time — try to take other medicines at a different time of day where possible
  • No clinically significant interactions have been identified at standard doses, but always inform your pharmacist of all medicines you are taking

 

How Should You Use Movicol Powder Sachets?

 

Always follow the instructions on the label or as directed by your pharmacist. Do not exceed the recommended dose. Here's how to prepare and take each sachet:

  1. Empty the contents of one sachet into a cup or glass
  2. Add 125ml (approximately half a cup) of water
  3. Stir well until the powder is completely dissolved — the solution will be clear
  4. Drink the solution straight away
  5. If taking multiple sachets per day, spread them evenly throughout the day
  6. Drink plenty of additional fluids throughout the day to support the treatment
Indication Age Group Dose Frequency
Constipation Adults and children 12+ 1–3 sachets Daily, in divided doses
Faecal impaction Adults 8 sachets All within a 6-hour period, for up to 3 days

For faecal impaction, the 8 sachets can be prepared together in one litre of water and consumed over the 6-hour window. This should only be done under medical supervision or following advice from a healthcare professional. If you're also experiencing symptoms that might suggest a more complex digestive issue, it's worth speaking to your GP. You might also find it helpful to look at our haemorrhoids and piles range if straining has caused additional discomfort.

 

What Are the Possible Side Effects of Movicol?

 

Like all medicines, Movicol can cause side effects, although not everyone experiences them. Most side effects are related to the bowel and tend to be mild.

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

  • Abdominal bloating and distension
  • Flatulence (wind)
  • Nausea
  • Abdominal pain or cramping
  • Diarrhoea — usually a sign the dose is too high; reduce the dose if this occurs

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

  • Vomiting
  • Electrolyte disturbances (more likely in people with kidney or heart conditions)
  • Peripheral oedema (swelling of the ankles or feet)
  • Allergic reactions — including rash, urticaria, or in rare cases, anaphylaxis

If you experience signs of a severe allergic reaction — such as swelling of the face, lips, or throat, difficulty breathing, or a sudden rash — stop taking Movicol and seek emergency medical help immediately.

 

How Should You Store Movicol Powder Sachets?

 

  • Store below 25°C in a dry place
  • Keep away from direct sunlight and moisture
  • Keep out of the sight and reach of children
  • Once dissolved in water, use the solution within 6 hours
  • Do not use after the expiry date printed on the carton
  • Do not dispose of medicines via wastewater or household waste — return unused sachets to your pharmacy

If you're managing your overall digestive health alongside constipation, it may also be worth considering whether your diet and supplement intake is supporting your gut. Our vitamins and supplements range includes fibre and probiotic options that some people find helpful alongside laxative treatment.

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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 Movicol powder sachets online in the UK?

You can buy Movicol powder sachets online from Cured Pharmacy, a GPhC-registered UK online pharmacy, for £12.49 per 30-sachet pack. They are also available from most high street pharmacies without a prescription. Buying online is convenient if you want to avoid a trip to the shops, and your order is dispatched quickly from a registered UK pharmacy.

How does Movicol work in the body?

Movicol contains macrogol 3350, an osmotic laxative that draws water into the bowel from surrounding tissues rather than being absorbed into the bloodstream. This extra water softens the stool and increases bowel volume, which stimulates the natural urge to pass a motion. The electrolytes in each sachet help maintain your body's salt and fluid balance during treatment.

How do I use Movicol powder sachets step by step?

Empty one sachet into a glass, add 125ml of water, and stir until the powder is fully dissolved. Drink the solution straight away — don't prepare it in advance and leave it sitting. For constipation, adults typically take 1 to 3 sachets per day in divided doses, spread evenly throughout the day.

How long does Movicol take to work?

Most people notice a bowel movement within 24 to 48 hours of taking their first dose of Movicol. The exact timing can vary depending on the severity of constipation and how much fluid you're drinking alongside it. If you haven't had a response after 3 days, speak to your pharmacist or GP rather than increasing the dose on your own.

What is the correct dose of Movicol for adults?

For constipation, the standard adult dose is 1 to 3 sachets per day, taken in divided doses. For faecal impaction, the dose is 8 sachets dissolved in one litre of water and consumed within a 6-hour period — this should only be done under medical guidance. Always read the label and do not exceed the stated dose without speaking to a healthcare professional.

Can I take Movicol if I am pregnant?

Macrogol 3350 is not significantly absorbed into the bloodstream, which means it is generally considered a safer option during pregnancy compared to some other laxatives. However, you should always speak to your GP or midwife before taking any medicine during pregnancy, including over-the-counter products. Constipation is very common in pregnancy, and your healthcare team can advise on the most appropriate treatment for your stage of pregnancy.

Is Movicol safe to use while breastfeeding?

Because macrogol is not absorbed into the body to any significant degree, it is unlikely to pass into breast milk. Most healthcare professionals consider it a reasonable option for breastfeeding women with constipation. That said, always check with your GP or pharmacist before starting any new medicine while breastfeeding.

What are the side effects of Movicol and how do I manage them?

The most common side effects are bloating, wind, nausea, and mild abdominal cramping — these usually settle within a few days as your body adjusts. If you experience diarrhoea, this is often a sign the dose is too high, so try reducing to one sachet per day. Serious side effects such as allergic reactions are rare but require immediate medical attention if they occur.

Who should not use Movicol powder sachets?

Movicol should not be used by anyone with a known allergy to macrogol or any of the other ingredients. It is also contraindicated in people with intestinal obstruction, bowel perforation, paralytic ileus, or severe inflammatory bowel disease. Children under 12 should not use this adult formulation — a separate paediatric version is available and should be discussed with a GP.

Can Movicol be used for faecal impaction?

Yes — Movicol is licensed for the treatment of faecal impaction in adults, using a higher dose of 8 sachets dissolved in one litre of water and taken within a 6-hour period for up to 3 days. This should ideally be done under the supervision of a healthcare professional, particularly if you have heart or kidney problems. If symptoms do not improve, seek medical advice promptly.

How long can you take Movicol for?

For short-term constipation, Movicol should not be used for more than 2 weeks without seeking medical advice. If constipation is a recurring or long-term problem, your GP may recommend ongoing treatment with appropriate monitoring. Long-term use without medical supervision is not recommended, as it's important to identify and address any underlying cause of persistent constipation.

What happens if I miss a dose of Movicol?

If you forget to take a dose, simply take it as soon as you remember — unless it's nearly time for your next dose, in which case skip the missed one and carry on as normal. Do not take a double dose to make up for a missed one. Consistency is helpful with osmotic laxatives, so try to take your sachets at roughly the same times each day.

What are the alternatives to Movicol for constipation?

There are several types of laxative available for constipation, including bulk-forming laxatives like ispaghula husk (Fybogel), stimulant laxatives such as senna or bisacodyl, and other osmotic laxatives like lactulose. You can explore the full range of options in our constipation treatments collection. Your pharmacist can help you decide which type is most appropriate based on your symptoms and medical history.

Can Movicol interact with other medicines I am taking?

Movicol may temporarily reduce the absorption of other oral medicines taken at the same time, so it's a good idea to take other medications at a different time of day where possible. No clinically significant drug interactions have been identified at standard doses. Always tell your pharmacist about all medicines, supplements, and herbal remedies you are taking before starting Movicol.

What are the latest findings on macrogol laxatives for constipation?

Macrogol-based laxatives like Movicol continue to be supported by clinical evidence as a first-line treatment for constipation, with NHS guidance recommending them ahead of stimulant laxatives in many cases due to their gentler mechanism and lower risk of dependency. Research consistently shows macrogol is effective and well-tolerated for both short-term and, under medical supervision, longer-term use. If you're also managing related digestive symptoms, our IBS and cramps range may offer additional support.

How Should You Use Movicol Powder Sachets?

Using Movicol correctly makes a real difference to how well it works. Each sachet must be dissolved in water before drinking — never swallow the powder dry or mix it into food.

For faecal impaction, up to 8 sachets can be dissolved together in one litre of water and consumed within a 6-hour period. This higher-dose regimen should only be undertaken following advice from a healthcare professional.

What Is the Correct Dose of Movicol Powder Sachets?

The dose varies depending on what you are treating. Always follow the instructions on the label or as directed by your pharmacist or GP. Do not exceed the recommended dose without medical advice.

Children under 12 should not use this adult formulation. A separate paediatric Movicol product is available and should be discussed with a GP or paediatrician before use.

When Is the Best Time to Use Movicol Powder Sachets?

There is no single fixed time of day that is clinically required, but many people find it easiest to take their sachets with or after meals — for example, one sachet with breakfast and one with an evening meal if taking two per day. Taking Movicol with food can also help reduce the likelihood of nausea. Try to keep to a consistent routine each day, as this helps your bowel establish a regular pattern.

If you are taking other oral medicines, try to leave a gap of at least one to two hours between those medicines and your Movicol dose, as macrogol may temporarily affect how other medicines are absorbed.

How Long Can You Use Movicol Powder Sachets For?

For short-term constipation, Movicol should not be used for more than two weeks without seeking advice from a pharmacist or GP. Most people find their symptoms resolve within a few days of starting treatment. If constipation persists beyond two weeks, it's important to speak to a healthcare professional to rule out an underlying cause rather than continuing to self-treat.

For chronic constipation or faecal impaction, a GP may recommend a longer course under medical supervision. In these cases, regular review is important to monitor your response and adjust the dose as needed. Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Movicol?

Most people who take Movicol tolerate it well, but some do experience side effects — particularly in the first few days of treatment as the bowel adjusts. These are usually mild and tend to settle on their own.

  • Abdominal bloating and a feeling of fullness
  • Flatulence (wind)
  • Nausea
  • Abdominal pain or cramping
  • Diarrhoea — often a sign the dose is too high

If diarrhoea occurs, reduce your daily dose by one sachet and see if symptoms improve. Staying well hydrated is important throughout your course of treatment.

What Are the Less Common Side Effects of Movicol?

Less common side effects affect a smaller number of people and are generally more likely in those with underlying health conditions such as kidney or heart disease.

  • Vomiting
  • Electrolyte disturbances — particularly in people taking diuretics or with kidney problems
  • Peripheral oedema (swelling of the ankles or feet)
  • Headache
  • Skin rash or itching

If you notice swelling in your legs or ankles, or feel unusually tired or weak, stop taking Movicol and speak to your GP, as these could indicate an electrolyte imbalance.

What Are the Serious Side Effects of Movicol?

Serious side effects are rare but require immediate medical attention if they occur. Allergic reactions to macrogol or the other ingredients in Movicol have been reported, though they are uncommon.

Signs of a serious allergic reaction include sudden swelling of the face, lips, tongue, or throat, difficulty breathing or swallowing, a widespread skin rash, or a sudden drop in blood pressure causing dizziness or collapse. If you experience any of these symptoms, stop taking Movicol immediately and call 999 or go to your nearest A&E department.

What Should You Do If You Experience Side Effects of Movicol?

For mild side effects such as bloating or wind, try reducing your dose by one sachet per day and ensure you are drinking enough fluids. These symptoms often improve within a few days without any other changes needed. If side effects are persistent, worsening, or causing significant discomfort, stop taking Movicol and speak to your pharmacist or GP for further advice.

You can also report suspected side effects directly to the MHRA through the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps improve medicine safety information for everyone.

Can Movicol Interact With Other Medicines?

Movicol does not have any clinically significant drug interactions at standard doses. However, because macrogol retains water in the gut, it may temporarily reduce the absorption of other oral medicines taken at the same time. To minimise this risk, take any other oral medicines at least one to two hours before or after your Movicol dose. Always inform your pharmacist of all medicines, supplements, and herbal remedies you are currently taking before starting Movicol.

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

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