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Molaxole powder 30 sachets

Molaxole powder 30 sachets

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

  • ✔️ Relieves constipation gently using osmotic action
  • ✔️ Softens stools without causing forceful bowel contractions
  • ✔️ Works within one to two days for most adults
  • ✔️ Contains electrolytes to support natural gut balance
  • ✔️ 30 convenient single-dose sachets per pack

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What Are Macrogol Powder Sachets Used For?

 

Constipation is one of the most common digestive complaints in the UK, affecting people of all ages at some point in their lives. It can leave you feeling uncomfortable, bloated, and frankly miserable. Molaxole powder 30 sachets offer a clinically established way to get things moving again. Each sachet contains macrogol 3350 — an osmotic laxative that works gently with your body rather than forcing a sudden reaction. If you're looking for reliable relief without the drama, this could be exactly what you need. You can browse our full constipation range to find the right option for you.

Molaxole is available over the counter, meaning you don't need a prescription to purchase it. At just £8.95 for 30 sachets, it represents a straightforward, cost-effective solution for occasional or short-term constipation in adults.

 

How Does Molaxole Work to Relieve Constipation?

 

Molaxole works through osmosis. Put simply, the macrogol 3350 in each sachet attracts and retains water molecules within the bowel. This increases the water content of the stool, softening it and making it bulkier and easier to pass. Unlike stimulant laxatives, it doesn't cause the bowel to contract forcefully — so you're less likely to experience sudden urgency or cramping.

  • Macrogol 3350 is a long-chain polymer that is not absorbed into the bloodstream
  • It works locally within the gut, drawing water from surrounding tissues into the bowel
  • Stools become softer and easier to pass, usually within one to two days
  • It does not cause dependency with short-term use

 

Who Is Molaxole Suitable For?

 

Molaxole is suitable for adults who are experiencing constipation. It's particularly useful if you've found stimulant laxatives too harsh, or if you need something that works gradually and predictably. That said, it's not appropriate for everyone — so it's worth checking before you start.

  • Adults with occasional or short-term constipation
  • People who prefer a gentle, non-stimulant approach
  • Those who have found other laxatives too uncomfortable
  • Adults who need a laxative that can be taken with water at any time of day

It is not recommended for children under 12 unless specifically directed by a doctor. If you're pregnant or breastfeeding, speak to your GP or pharmacist before using Molaxole.

 

How Does Molaxole Compare to Other Laxatives?

 

Feature Molaxole (Macrogol 3350) Lactulose (Osmotic) Senna (Stimulant)
Mechanism Osmotic — retains water in bowel Osmotic — draws water into colon Stimulates bowel muscle contractions
Onset of action 1–2 days 1–2 days 8–12 hours
Risk of cramping Low Moderate (wind/bloating common) Higher
Suitable for long-term use Under medical supervision Under medical supervision Not recommended long-term

 

How Should You Store Molaxole and Is It Clinically Suitable for You?

 

Macrogol powder sachets should be stored below 25°C in a dry place, away from direct sunlight and out of reach of children. Once dissolved in water, the solution should be used immediately and not stored for later. Always check the expiry date printed on the packaging before use.

If you have a history of kidney disease, heart failure, or are on a fluid-restricted diet, speak to your doctor before using Molaxole. The same applies if you're taking other medicines regularly — while macrogol has few known drug interactions, it's always sensible to check. You might also find it helpful to explore our IBS and cramps collection if your constipation is linked to a broader digestive condition.

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.

Molaxole Powder 30 Sachets specifications
Treatment category Constipation
Mechanism of action Osmotic laxative — retains water in the bowel to soften stools
Effective for Short-term relief of constipation in adults
Suitable for Adults aged 18 and over
Active ingredient Macrogol 3350 (13.125 g per sachet)
Pack size 30 sachets
UK classification General Sale List (GSL)
Drug class Osmotic laxative
Preparation Oral powder for solution
Route of administration Oral

Specifications of Molaxole Powder 30 Sachets

 

What Is Molaxole and What Is It Used For?

 

Molaxole powder sachets are an osmotic laxative used to treat constipation in adults. Each sachet contains macrogol 3350 (13.125 g) along with electrolytes — sodium bicarbonate, sodium chloride, and potassium chloride — which help maintain the body's natural salt balance during treatment. The NHS describes constipation as passing fewer than three stools per week, or stools that are hard, dry, and difficult to pass. Molaxole helps by increasing the water content of stools, making them softer and easier to move through the bowel.

It is available without a prescription and is classified as a General Sale List (GSL) medicine in the UK. It is intended for short-term use in adults, though longer-term use may be appropriate under medical supervision.

 

What Do You Need to Know Before Using Molaxole?

 

Before using Molaxole, it's important to be aware of certain conditions and medicines that may affect whether it is safe for you. Do not use Molaxole if any of the following apply:

  • You have a bowel obstruction or suspected bowel perforation
  • You have severe inflammatory bowel disease (such as Crohn's disease or ulcerative colitis in a severe flare)
  • You are allergic to macrogol 3350 or any of the other ingredients
  • You have a condition causing paralysis of the gut (paralytic ileus)
  • You are on a fluid-restricted diet due to heart failure or kidney disease — speak to your doctor first

Molaxole has very few known drug interactions at standard doses. However, it is worth noting:

  • Macrogol may theoretically affect the absorption of other oral medicines if taken at the same time — leave a gap of at least two hours where possible
  • No significant interactions with common medicines have been reported in clinical use

 

How Should You Use Molaxole?

 

Using Molaxole correctly is straightforward, but it's worth following the steps carefully to get the best results. Always read the patient information leaflet supplied with your pack before starting.

  1. Open one sachet and pour the powder into a glass or cup
  2. Add approximately 125 ml (half a glass) of water
  3. Stir well until the powder is completely dissolved — the solution should be clear
  4. Drink the solution straight away; do not store it
  5. Repeat for each sachet required that day, spreading doses throughout the day if taking more than one
Indication Age Group Dose Frequency
Constipation Adults (18+) 1–3 sachets Daily, in divided doses if needed
Constipation Under 18 Not recommended OTC Seek medical advice

If you have not had a bowel movement after two weeks of use, stop taking Molaxole and speak to your GP. Do not take more than three sachets in 24 hours without medical advice. If you're also managing symptoms related to gut health, our IBS and cramps collection may offer additional support options.

 

What Are the Possible Side Effects of Molaxole?

 

Like all medicines, Molaxole can cause side effects, although not everyone experiences them. Most side effects are mild and tend to improve as your body adjusts to the treatment.

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

  • Bloating and flatulence (wind)
  • Abdominal cramps or discomfort
  • Nausea
  • Diarrhoea — usually a sign the dose is too high; reduce by one sachet per day

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

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

If you experience a severe allergic reaction, chest pain, or significant swelling, stop taking Molaxole immediately and seek urgent medical attention. You can also find information on managing related digestive discomfort in our haemorrhoids and piles collection, as straining from constipation can sometimes contribute to this condition.

 

How Should You Store Molaxole?

 

  • Store below 25°C in a dry place
  • Keep away from direct sunlight and moisture
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the sachet and outer carton
  • Once dissolved in water, use the solution immediately — do not store prepared solution
  • Do not dispose of medicines via wastewater or household waste — return unused sachets 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 Molaxole powder sachets online in the UK?

You can buy Molaxole powder 30 sachets directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £8.95. No prescription is needed as it is an over-the-counter medicine. Simply add it to your basket and it will be dispatched to your door. You can also browse our full constipation collection for related products.

How does Molaxole work in the body?

Molaxole contains macrogol 3350, which is an osmotic laxative. It works by attracting and retaining water molecules within the bowel, which softens the stool and makes it easier to pass. Unlike stimulant laxatives, it does not cause the bowel muscles to contract forcefully, so it tends to be gentler on the gut.

How do I use Molaxole step by step?

Empty one sachet into a glass, add 125 ml of water, and stir until the powder is fully dissolved. Drink the solution straight away — do not prepare it in advance or store it. If you are taking more than one sachet per day, spread the doses throughout the day rather than taking them all at once.

What is the correct dose of Molaxole for adults?

The recommended adult dose is one to three sachets per day. Start with one sachet and increase gradually if needed, up to a maximum of three sachets in 24 hours. If you are unsure about the right dose for your situation, speak to your pharmacist before starting.

What is the best time of day to take Molaxole?

There is no single best time — Molaxole can be taken at any time of day that suits your routine. Many people find it easiest to take their daily dose in the morning with breakfast. Consistency matters more than timing, so try to take it at the same time each day.

How long does Molaxole take to work?

Most people notice a bowel movement within one to two days of starting Molaxole. The exact timing depends on the severity of your constipation and how your body responds. If you have not had a bowel movement after two weeks of regular use, stop and speak to your GP.

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

The most common side effects are bloating, wind, and mild abdominal cramps, which often settle after the first few days. If you experience diarrhoea, this usually means the dose is too high — try reducing by one sachet per day. Serious side effects such as allergic reactions are rare but require immediate medical attention.

Who should not use Molaxole?

Molaxole is not suitable for people with bowel obstruction, bowel perforation, or severe inflammatory bowel disease. It should also be avoided by those with paralytic ileus or a known allergy to macrogol 3350. Children under 12 should not use it without a doctor's advice.

Can I take Molaxole if I am pregnant or breastfeeding?

Macrogol is not significantly absorbed into the bloodstream, which means systemic exposure to a developing baby or through breast milk is considered minimal. However, you should always speak to your GP or midwife before taking any medicine during pregnancy or while breastfeeding, including Molaxole.

Does Molaxole interact with other medicines?

Molaxole has very few known drug interactions at standard doses. However, because it increases fluid in the gut, it could theoretically affect the absorption of other oral medicines taken at the same time. To be safe, leave a gap of at least two hours between taking Molaxole and any other oral medication.

What happens if I miss a dose of Molaxole?

If you forget to take a dose, simply take it as soon as you remember — unless it is nearly time for your next dose, in which case skip the missed one. Do not take a double dose to make up for a missed one. Consistency helps, but missing the occasional dose is unlikely to cause problems.

How long can I use Molaxole for?

Molaxole is intended for short-term use, typically up to two weeks for self-treatment of constipation. Longer-term use may be appropriate in some cases but should only continue under the guidance of a GP. If your constipation persists beyond two weeks, it is important to seek medical advice to rule out an underlying cause.

What are the alternatives to Molaxole for constipation?

Alternatives include other osmotic laxatives such as lactulose, bulk-forming laxatives such as ispaghula husk (Fybogel), and stimulant laxatives such as senna or bisacodyl. The right choice depends on your symptoms, medical history, and how quickly you need relief. Browse our constipation collection to compare options.

Is Molaxole the same as Movicol?

Yes — Molaxole and Movicol are essentially the same formulation. Both contain macrogol 3350 with electrolytes (sodium bicarbonate, sodium chloride, and potassium chloride) at the same dose. Molaxole is simply a different brand name for the same active ingredient and is used in exactly the same way.

What are the latest findings on macrogol for constipation?

Macrogol 3350 remains one of the most widely recommended osmotic laxatives in UK clinical guidelines, including those from NICE and the NHS. It is considered effective and well-tolerated for both short-term and, under supervision, longer-term management of constipation. It is also used in bowel preparation before certain medical procedures, reflecting its established safety profile.

How Should You Use Molaxole?

Using Molaxole correctly makes a real difference to how well it works. Always read the patient information leaflet inside the pack before you start, and follow these steps each time you take a dose.

You can use any type of still water — tap water is perfectly fine. Avoid dissolving the powder in hot drinks or fizzy beverages, as this may affect how well it works.

What Is the Correct Dose of Molaxole?

The dose of Molaxole depends on your age and the reason you are taking it. For most adults with constipation, starting with one sachet per day and adjusting as needed is the sensible approach. Never exceed three sachets in 24 hours without specific medical advice.

If diarrhoea develops, reduce your dose by one sachet per day. If constipation does not improve after two weeks, stop use and consult your GP.

When Is the Best Time to Use Molaxole?

Molaxole can be taken at any time of day — there is no strict requirement to take it with food or at a specific hour. Many people find it easiest to take their daily dose in the morning, perhaps alongside breakfast, as this fits naturally into a daily routine. If you are taking more than one sachet, spreading them across the morning and afternoon tends to work well and may reduce the chance of bloating.

Try to take Molaxole at roughly the same time each day to help establish a regular bowel habit. Consistency is more important than the exact time of day.

How Long Can You Use Molaxole For?

Molaxole is designed for short-term use — typically up to two weeks for self-treatment of constipation. If your symptoms resolve sooner, you can stop taking it. Do not continue beyond two weeks without speaking to your GP, as persistent constipation may indicate an underlying condition that needs investigation.

In some clinical situations, longer-term use of macrogol is appropriate, but this should always be under the supervision of a healthcare professional. Lifestyle changes — including increasing dietary fibre, drinking more water, and staying physically active — can help prevent constipation from returning once your symptoms have resolved.

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 Molaxole?

Most people who take Molaxole tolerate it well, but some do experience side effects — particularly in the first few days of treatment as the body adjusts. These are usually mild and tend to settle on their own without needing to stop the medicine.

  • Bloating and a feeling of fullness in the abdomen
  • Flatulence (wind)
  • Mild abdominal cramps or discomfort
  • Nausea
  • Diarrhoea — usually a sign the dose is slightly too high

If diarrhoea occurs, reduce your daily dose by one sachet. This usually resolves the problem within a day or two. Drinking plenty of water throughout the day can also help reduce bloating.

What Are the Less Common Side Effects of Molaxole?

Less common side effects affect a smaller number of people and are generally more likely with prolonged use or in those with underlying health conditions. If you notice any of the following, speak to your pharmacist or GP.

  • Vomiting
  • Peripheral oedema (swelling of the ankles or lower legs)
  • Electrolyte imbalances — particularly with long-term use or in people with kidney problems
  • Skin rash or itching
  • Urticaria (hives)

What Are the Serious Side Effects of Molaxole?

Serious side effects from Molaxole are rare but can occur. Allergic reactions — including anaphylaxis — have been reported in a very small number of people. Signs of a serious allergic reaction include sudden swelling of the face, lips, or throat, difficulty breathing, a rapid heartbeat, or a severe skin reaction. If you experience any of these symptoms, stop taking Molaxole immediately and call 999 or go to your nearest A&E department.

Significant electrolyte disturbances are another rare but serious concern, particularly in people with kidney disease or those taking diuretics. Symptoms can include muscle weakness, irregular heartbeat, or unusual fatigue.

What Should You Do If You Experience Side Effects?

For mild side effects such as bloating or wind, reducing your dose by one sachet per day is usually sufficient. Make sure you are drinking enough water — at least six to eight glasses per day — as this supports the action of the medicine and can ease discomfort. If side effects persist or feel severe, stop taking Molaxole and seek advice from your pharmacist or GP. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Molaxole Interact With Other Medicines?

Molaxole has very few clinically significant drug interactions at standard doses. However, because it increases fluid movement through the gut, it could theoretically reduce the absorption of other oral medicines taken at the same time. To minimise this risk, try to leave a gap of at least two hours between taking Molaxole and any other oral medication. If you take medicines for heart conditions, epilepsy, or thyroid problems — where consistent absorption is particularly important — speak to your pharmacist before starting Molaxole.

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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