Skip to product information
1 of 1

  • Images are for illustration purposes only

FyboCalm Constipation Relief

FyboCalm Constipation Relief

  • 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

  • ✔️ Softens hard stools gently using natural psyllium husk fibre
  • ✔️ Restores regular bowel movements without harsh stimulant effects
  • ✔️ Suitable for adults and young people aged 12 and over
  • ✔️ Provides constipation relief within 12 to 72 hours of use
  • ✔️ Non-habit-forming bulk-forming laxative safe for ongoing use

Price Checker

Regular price £13.48
Sale price £13.48
Sale Sold out
  • Lowest price guarantee
  • Includes FREE private prescription
View full details

 

What Is FyboCalm Constipation Relief?

 

Constipation is one of the most common digestive complaints in the UK, affecting around one in seven adults at any given time. It can leave you feeling bloated, uncomfortable, and frankly exhausted from the effort of it all. Constipation relief doesn't have to mean harsh stimulant laxatives — FyboCalm Constipation Relief offers a gentler, fibre-based approach that works with your body rather than against it. You can browse our full range of constipation products to find the right option for your needs.

FyboCalm Constipation Relief is a psyllium husk (ispaghula husk) supplement formulated to help restore regular bowel movements. Psyllium husk is a well-established, clinically recognised soluble fibre derived from the seeds of Plantago ovata. It has been used for decades in the management of constipation and is listed in the British National Formulary as a bulk-forming laxative.

 

How Does FyboCalm Constipation Relief Work?

 

FyboCalm works through a straightforward physical mechanism. When psyllium husk comes into contact with water in the gastrointestinal tract, it swells and forms a soft, viscous gel. This gel increases the bulk and moisture content of the stool, making it softer and easier to pass. It also gently stimulates the natural muscular contractions of the bowel — known as peristalsis — without causing the cramping that stimulant laxatives sometimes produce.

  • Psyllium husk absorbs water in the gut, expanding to form a gel-like mass
  • Stool bulk increases, triggering the natural urge to go
  • Stool consistency softens, reducing the need to strain
  • Bowel transit time is gently normalised over regular use

It's worth noting that FyboCalm is not a stimulant laxative. It does not irritate the bowel lining or force a bowel movement artificially. This makes it a suitable option for people who need ongoing support with regularity.

 

Who Should Use FyboCalm Constipation Relief?

 

FyboCalm is designed for adults and young people aged 12 and over who are experiencing occasional or persistent constipation. It's particularly well suited to those who prefer a fibre-based approach, or who have found stimulant laxatives too harsh in the past. If you also experience symptoms of bloating or cramping alongside constipation, you may find it helpful to explore our IBS and cramps range for complementary support.

  • Adults experiencing occasional constipation due to low dietary fibre intake
  • People with chronic constipation who need gentle, ongoing support
  • Those who prefer a non-stimulant, fibre-based laxative
  • Individuals looking to supplement their daily fibre intake alongside dietary changes

 

How Does FyboCalm Compare to Other Constipation Remedies?

 

Feature FyboCalm Constipation Relief Stimulant Laxative (e.g. Senna)
Mechanism Bulk-forming (fibre-based) Stimulates bowel muscle contractions
Risk of cramping Low Moderate to high
Suitable for long-term use Yes, with adequate fluid intake Not generally recommended long-term
Onset of action 12–72 hours 6–12 hours

 

Is FyboCalm Constipation Relief Suitable to Store at Home?

 

Yes. FyboCalm Constipation Relief should be stored below 25°C in a cool, dry place, away from direct sunlight and out of reach of children. Do not use the product after the expiry date printed on the packaging. Once opened, ensure the container is resealed tightly after each use to prevent moisture absorption, which can affect the texture and efficacy of the psyllium husk granules.

If you are managing a digestive condition alongside constipation, it may also be worth looking at our indigestion range for additional support. As with any fibre supplement, adequate daily fluid intake — at least 6–8 glasses of water — is essential for FyboCalm to work effectively and safely.

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.

FyboCalm Constipation Relief specifications
Treatment category Constipation / Digestive Health
Mechanism of action Bulk-forming laxative — absorbs water to soften and increase stool bulk
Effective for Occasional and chronic constipation
Suitable for Adults and children aged 12 and over
Active ingredient Psyllium husk (ispaghula husk)
UK classification General Sale / Over-the-counter (OTC)
Drug class Bulk-forming laxative
Preparation Oral granules / powder
Route of administration Oral

Specifications of FyboCalm Constipation Relief

 

What Is FyboCalm Constipation Relief and What Is It Used For?

 

FyboCalm Constipation Relief is an over-the-counter bulk-forming laxative containing psyllium husk (ispaghula husk) as its active ingredient. It is used to treat constipation — a condition characterised by infrequent bowel movements, hard or lumpy stools, straining, and a feeling of incomplete emptying. According to the NHS, constipation is very common and can affect people of all ages, though it is more prevalent in older adults, pregnant women, and those with low dietary fibre intake.

FyboCalm may also be used to help maintain regular bowel habits in people who struggle to get enough fibre through diet alone. It is not a cure for underlying bowel conditions, but it can provide meaningful day-to-day constipation relief as part of a broader approach that includes adequate hydration and a balanced diet.

 

What Do You Need to Know Before Using FyboCalm Constipation Relief?

 

Before using FyboCalm, it is important to check whether it is appropriate for you. Do not use this product if any of the following apply:

  • You have a known bowel obstruction or suspected intestinal blockage
  • You have difficulty swallowing or a condition affecting the oesophagus
  • You are allergic to psyllium husk or any other ingredient in the product
  • You have sudden changes in bowel habit lasting more than two weeks — see your GP first
  • You are a child under 12 years of age
  • You have faecal impaction (a severe blockage of hardened stool)

Speak to your pharmacist or GP before using FyboCalm if you are pregnant, breastfeeding, or have a diagnosed bowel condition such as Crohn's disease or ulcerative colitis.

Drug interactions to be aware of:

  • Psyllium husk may reduce the absorption of certain medicines, including warfarin, digoxin, lithium, and some antidiabetic drugs
  • Always take other medicines at least 30 minutes before or after taking FyboCalm
  • If you are taking any prescribed medication, consult your pharmacist before starting FyboCalm

 

How Should You Use FyboCalm Constipation Relief?

 

Always use FyboCalm exactly as directed on the product label. It is essential to take it with a full glass of water (at least 150–200 ml) and to drink plenty of fluids throughout the day. Never take it dry or without adequate fluid, as this can cause choking or oesophageal obstruction.

  1. Measure the recommended dose as stated on the packaging
  2. Stir the powder or granules into a full glass of water or fruit juice
  3. Drink the mixture immediately — do not allow it to thicken
  4. Follow with at least one additional full glass of water
  5. Repeat as directed — typically once or twice daily
Indication Age Group Dose Frequency
Constipation relief Adults and children 12+ As per product label Once or twice daily
Maintenance of regularity Adults As per product label Once daily

 

What Are the Possible Side Effects of FyboCalm Constipation Relief?

 

Like all medicines, FyboCalm can cause side effects, although not everyone experiences them. Most side effects are mild and tend to improve after the first few days as your body adjusts to the increased fibre intake. If you experience any severe or persistent symptoms, stop use and speak to your pharmacist or GP. You may also find it useful to explore our IBS and cramps range if digestive discomfort is an ongoing concern.

Common side effects:

  • Bloating and flatulence (wind)
  • Mild abdominal discomfort or cramping
  • Feeling of fullness

Less common side effects:

  • Allergic reactions — including skin rash, itching, or in rare cases, difficulty breathing (seek immediate medical attention)
  • Oesophageal obstruction if taken without sufficient fluid
  • Worsening of constipation if fluid intake is inadequate

 

How Should You Store FyboCalm Constipation Relief?

 

  • Store below 25°C in a cool, dry place away from direct sunlight
  • Keep the container tightly closed after each use to prevent moisture absorption
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the packaging
  • Do not store in a bathroom or near a sink where humidity is high
  • Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacy

If you are looking for additional digestive support products, our vitamins and supplements range includes a variety of options to support overall gut health and wellbeing.

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 FyboCalm Constipation Relief online in the UK?

You can buy FyboCalm Constipation Relief directly from Cured Pharmacy online without a prescription. It is available as an over-the-counter product and can be ordered for home delivery across the UK. Visit our constipation collection to order today.

How does FyboCalm Constipation Relief work in the body?

FyboCalm contains psyllium husk, a soluble fibre that absorbs water in the gut and swells to form a soft, bulky gel. This increases stool volume and softness, making it easier to pass without straining. It works gently and does not irritate the bowel lining the way stimulant laxatives can.

How do I use FyboCalm Constipation Relief step by step?

Measure the recommended dose, stir it into a full glass of water or juice, and drink immediately before the mixture thickens. Follow with at least one additional glass of water. Never take FyboCalm dry or without adequate fluid, as this can cause choking.

What is the best time to take FyboCalm Constipation Relief?

FyboCalm is best taken in the morning or with meals to support your digestive routine. Avoid taking it immediately before going to bed, as this increases the risk of oesophageal obstruction. Consistency is key — taking it at the same time each day helps establish regular bowel habits.

What are the side effects of FyboCalm Constipation Relief?

The most common side effects are bloating, wind, and mild abdominal discomfort, which usually settle within the first few days of use. Rarely, allergic reactions such as skin rash or breathing difficulties can occur — stop use and seek medical attention if this happens. Always take with plenty of water to minimise the risk of oesophageal obstruction.

Who is FyboCalm Constipation Relief suitable for?

FyboCalm is suitable for adults and young people aged 12 and over who experience occasional or chronic constipation. It is not suitable for people with bowel obstruction, difficulty swallowing, or a known allergy to psyllium husk. Pregnant or breastfeeding women should speak to their GP or pharmacist before use.

What happens if I miss a dose of FyboCalm Constipation Relief?

If you miss 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. FyboCalm is not a time-critical medicine, so missing an occasional dose is unlikely to cause harm.

How long does FyboCalm Constipation Relief take to work?

As a bulk-forming laxative, FyboCalm typically takes between 12 and 72 hours to produce a bowel movement. This is slower than stimulant laxatives but is considered a more natural and comfortable process. If you have not had a bowel movement after 72 hours, speak to your pharmacist.

How long can you use FyboCalm Constipation Relief for?

FyboCalm can be used short-term for occasional constipation or as part of a longer-term routine to maintain regularity. Unlike stimulant laxatives, bulk-forming laxatives are generally considered safe for ongoing use when taken with adequate fluid. If constipation persists beyond two weeks despite treatment, consult your GP to rule out an underlying cause.

Can I take FyboCalm Constipation Relief with other medicines?

Psyllium husk can reduce the absorption of certain medicines, including warfarin, digoxin, lithium, and some antidiabetic drugs. To avoid this, take any other medicines at least 30 minutes before or after FyboCalm. Always inform your pharmacist of all medicines you are taking before starting FyboCalm.

Is FyboCalm Constipation Relief safe during pregnancy?

Constipation is very common during pregnancy, and bulk-forming laxatives are generally considered the first-line option according to NHS guidance. However, you should always speak to your GP or midwife before taking any new medicine during pregnancy. They can confirm whether FyboCalm is appropriate for your individual circumstances.

What are alternatives to FyboCalm Constipation Relief?

Alternatives include other bulk-forming laxatives such as Fybogel (ispaghula husk), osmotic laxatives like lactulose or macrogol, and stimulant laxatives such as senna or bisacodyl. You can explore our full constipation range to compare options. Your pharmacist can help you choose the most suitable product based on your symptoms and medical history.

Does FyboCalm Constipation Relief help with IBS-related constipation?

Psyllium husk has been studied for use in irritable bowel syndrome (IBS) and may help regulate bowel habits in people with IBS-C (constipation-predominant IBS). However, FyboCalm is not specifically licensed for IBS treatment, and you should speak to your GP before using it for this purpose. Our IBS and cramps range may also offer relevant support products.

What are the latest studies on psyllium husk for constipation?

Psyllium husk is one of the most extensively studied bulk-forming laxatives, with evidence supporting its effectiveness in increasing stool frequency and softness in adults with constipation. The NHS and BNF both recognise ispaghula husk as a first-line bulk-forming laxative for constipation management. Research also suggests benefits for cholesterol levels and blood sugar regulation with regular use, though FyboCalm is indicated specifically for constipation relief.

How should I manage side effects of FyboCalm Constipation Relief?

Bloating and wind are the most common side effects and usually improve within a few days as your gut adjusts to the increased fibre. Drinking plenty of water throughout the day and starting with a lower dose before building up can help reduce these effects. If symptoms are severe or persistent, stop use and speak to your pharmacist or GP.

How Should You Use FyboCalm Constipation Relief?

Using FyboCalm correctly is essential for both safety and effectiveness. Always read the product label carefully before use and follow the instructions provided. The most important rule is simple: never take FyboCalm without adequate fluid.

Do not take FyboCalm dry or swallow it without liquid, as this can cause it to swell in the throat and lead to choking or oesophageal obstruction. If you have difficulty swallowing, speak to your pharmacist before use.

What Is the Correct Dose of FyboCalm Constipation Relief?

The correct dose depends on your age and the reason for use. Always follow the dosage instructions on the product label. Do not exceed the stated dose without speaking to a healthcare professional first.

If you are unsure about the correct dose for your situation, ask your pharmacist. They can advise based on your individual health needs and any other medicines you may be taking.

When Is the Best Time to Use FyboCalm Constipation Relief?

FyboCalm works best when taken at a consistent time each day, which helps your body establish a regular bowel routine. Morning use — ideally with or after breakfast — is a popular choice, as it aligns with the gut's natural activity levels and ensures you can drink plenty of fluids throughout the day.

Avoid taking FyboCalm immediately before going to bed. Without adequate fluid intake and an upright posture, there is a risk of the product swelling in the oesophagus before it reaches the stomach. If you prefer an evening dose, take it at least two hours before lying down and ensure you drink sufficient water.

How Long Can You Use FyboCalm Constipation Relief For?

FyboCalm can be used for short-term relief of occasional constipation or as part of a longer-term daily routine to support bowel regularity. Unlike stimulant laxatives, bulk-forming laxatives are generally considered suitable for ongoing use when taken correctly with adequate fluid intake.

If your constipation does not improve after two weeks of regular use, or if you notice any blood in your stools, unexplained weight loss, or persistent abdominal pain, stop use and consult your GP. These symptoms may indicate an underlying condition that requires further investigation.

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 FyboCalm Constipation Relief?

Most people tolerate FyboCalm well, particularly once their digestive system has had a few days to adjust to the increased fibre intake. Common side effects are generally mild and temporary. They are more likely to occur when you first start using the product or if you increase your dose too quickly.

  • Bloating and a feeling of fullness
  • Flatulence (wind)
  • Mild abdominal cramping or discomfort
  • Increased frequency of bowel movements

What Are the Less Common Side Effects of FyboCalm Constipation Relief?

Less common side effects are rare but worth being aware of. If you experience any of the following, stop using FyboCalm and speak to your pharmacist or GP promptly.

  • Worsening constipation — this can occur if you do not drink enough fluid alongside the product
  • Oesophageal obstruction — caused by taking the product without sufficient water
  • Nausea or a feeling of sickness
  • Skin rash or itching — may indicate a mild allergic reaction

What Are the Serious Side Effects of FyboCalm Constipation Relief?

Serious side effects from psyllium husk are uncommon but can occur. Seek immediate medical attention if you experience any of the following after taking FyboCalm.

  • Difficulty breathing or swallowing
  • Severe allergic reaction (anaphylaxis) — symptoms include swelling of the face, lips, or throat, hives, and sudden breathlessness
  • Severe abdominal pain or bloating that does not resolve
  • Signs of bowel obstruction — including inability to pass wind or stools, vomiting, and severe abdominal distension

What Should You Do If You Experience Side Effects of FyboCalm Constipation Relief?

For mild side effects such as bloating or wind, try reducing your dose temporarily and gradually increasing it over one to two weeks. Ensuring you drink at least 6–8 glasses of water daily will also help minimise discomfort. Most people find these effects settle naturally within the first week of use.

If you experience a severe allergic reaction, call 999 or go to your nearest A&E immediately. For any other concerning or persistent side effects, stop use and contact your GP or pharmacist. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can FyboCalm Constipation Relief Interact With Other Medicines?

Yes. Psyllium husk can reduce the rate and extent of absorption of certain medicines taken at the same time. This is a physical interaction — the gel formed by psyllium husk can bind to other medicines in the gut, reducing how much of them enters your bloodstream.

Medicines known to be affected include warfarin, digoxin, lithium, and some antidiabetic drugs. To avoid this interaction, always take any other medicines at least 30 minutes before or after taking FyboCalm. If you are taking prescribed medication, speak to your pharmacist before starting FyboCalm to ensure there are no clinically significant interactions relevant to your treatment.

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