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Numark Simple Linctus Sugar Free - 200ml

Numark Simple Linctus Sugar Free - 200ml

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  • ✔️ Soothes dry and tickly coughs with citric acid demulcent action
  • ✔️ Sugar-free formula suitable for people with diabetes
  • ✔️ Suitable for adults and children aged 1 year and over
  • ✔️ Provides fast-acting throat coating relief on contact
  • ✔️ Simple single-ingredient formula with no antihistamines or decongestants

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What Is Simple Linctus Sugar Free and How Does It Help?

 

A dry, tickly cough can be genuinely exhausting — especially when it lingers for days and disrupts your sleep. Simple linctus sugar free is a well-established, over-the-counter oral liquid that helps soothe throat irritation and calm that persistent urge to cough. Numark Simple Linctus Sugar Free 200ml is available at Cured Pharmacy for just £3.99, making it one of the most accessible and affordable cough remedies you can buy without a prescription. If you're also dealing with other cold-related symptoms, you might find our cold and flu range useful alongside this product.

This formulation is sugar-free, which makes it particularly suitable for people managing diabetes or those who simply prefer to avoid added sugars in their medicines. It comes in a 200ml bottle — enough for a full course of treatment — and is suitable for adults and children aged 1 year and over.

 

How Does Numark Simple Linctus Sugar Free Work?

 

The active ingredient in this product is citric acid monohydrate 2.5% w/v. It works as a demulcent — a substance that coats and soothes the mucous membranes lining the throat. When your throat is irritated, nerve endings send signals that trigger the cough reflex. By forming a protective layer over these irritated tissues, the linctus helps reduce that stimulus.

  • Citric acid monohydrate coats the throat lining on contact
  • Reduces irritation of the sensory nerve endings in the pharynx
  • Calms the cough reflex without suppressing it centrally
  • Sugar-free base means no impact on blood glucose levels

It's worth noting that simple linctus does not treat the underlying cause of a cough — it provides symptomatic relief. If your cough is caused by a bacterial infection or another medical condition, you'll need appropriate treatment from your GP.

 

Who Is Numark Simple Linctus Sugar Free Suitable For?

 

This product is designed for anyone experiencing a dry or tickly cough who wants a straightforward, no-fuss remedy. It's particularly well-suited to:

  • Adults and children aged 1 year and over
  • People with diabetes who need a sugar-free cough syrup
  • Those who prefer a simple, single-ingredient formulation
  • Patients who want to avoid antihistamines or decongestants found in multi-symptom products

It is not suitable for infants under 1 year of age. If you are pregnant, breastfeeding, or taking other medicines, speak to your pharmacist before use.

 

How Does Simple Linctus Sugar Free Compare to Other Cough Syrups?

 

Feature Numark Simple Linctus Sugar Free Standard Cough Syrup (e.g. with pholcodine)
Active ingredient Citric acid monohydrate 2.5% w/v Pholcodine or dextromethorphan
Sugar-free Yes Not always
Suitable for diabetics Yes Check individual product
Mechanism Demulcent (soothes throat) Central cough suppressant
Suitable from age 1 year Varies (often 6+ or 12+)

 

How Should You Store Numark Simple Linctus Sugar Free?

 

Store this product below 25°C in a cool, dry place away from direct sunlight. Keep the bottle tightly closed when not in use. As with all medicines, keep it out of the reach and sight of children. Do not use after the expiry date printed on the label.

If you're looking for other throat and respiratory products, our ear, nose and throat range includes a variety of options to help manage related symptoms. Simple linctus sugar free is a reliable choice for symptomatic cough relief, but always read the label carefully before use.

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.

Numark Simple Linctus Sugar Free 200ml specifications
Treatment category Cough remedies
Mechanism of action Demulcent — soothes and coats the throat lining
Effective for Dry and tickly coughs
Suitable for Adults and children aged 1 year and over
Active ingredient Citric acid monohydrate 2.5% w/v
Pack size 200ml
UK classification General Sale List (GSL)
Drug class Demulcent
Preparation Oral liquid (linctus)
Route of administration Oral

Specifications of Numark Simple Linctus Sugar Free 200ml

 

What Is Numark Simple Linctus Sugar Free and What Is It Used For?

 

Numark Simple Linctus Sugar Free is an oral liquid medicine used to relieve the symptoms of a dry or tickly cough. It contains citric acid monohydrate 2.5% w/v as its active ingredient, which acts as a demulcent to soothe the throat. It does not treat the underlying cause of a cough — rather, it provides temporary symptomatic relief while your body recovers. The NHS advises that most coughs caused by colds or minor upper respiratory tract infections will resolve on their own within three weeks.

 

What Do You Need to Know Before Using Numark Simple Linctus Sugar Free?

 

Before taking this medicine, make sure it is appropriate for you. Do not use this product if any of the following apply:

  • You are allergic to citric acid or any other ingredient in the formulation
  • Your child is under 1 year of age
  • You have a persistent cough associated with asthma, chronic bronchitis, or smoking without first consulting a doctor
  • You have a cough producing significant amounts of phlegm — this product is intended for dry coughs only

Speak to your pharmacist or GP before use if you are pregnant, breastfeeding, or have any chronic medical condition. Regarding drug interactions:

  • No significant drug interactions are currently known for citric acid monohydrate at this dose
  • Always inform your pharmacist of all medicines you are taking, including herbal remedies

 

How Should You Use Numark Simple Linctus Sugar Free?

 

Always use this medicine exactly as described on the label or as directed by your pharmacist. Do not exceed the stated dose.

  1. Shake the bottle gently before use
  2. Measure the correct dose using the measuring device provided or a 5ml medicine spoon
  3. Swallow the dose slowly — do not rush, as the soothing effect works on contact with the throat
  4. Repeat up to four times daily as needed
  5. Do not take more than the recommended number of doses in 24 hours
Age Group Dose Frequency
Adults and children 12 years and over 5ml Up to 4 times daily
Children 5–11 years 5ml Up to 3 times daily
Children 1–4 years 2.5ml Up to 3 times daily
Under 1 year Not recommended

If you are caring for a young child and are unsure about dosing, our baby and toddler section has further guidance on age-appropriate medicines.

 

What Are the Possible Side Effects of Numark Simple Linctus Sugar Free?

 

Simple linctus is generally very well tolerated. Side effects are uncommon, but as with any medicine, some people may experience reactions. If you notice anything unexpected, stop use and speak to your pharmacist.

Common side effects:

  • Mild nausea, particularly if taken on an empty stomach
  • Mild stomach discomfort

Less common side effects:

  • Allergic reactions such as skin rash or itching (rare)
  • Worsening of cough symptoms — if this occurs, discontinue use and seek advice

Seek immediate medical attention if you experience swelling of the face, lips, or throat, difficulty breathing, or a severe skin reaction. These may indicate a rare allergic response.

 

How Should You Store Numark Simple Linctus Sugar Free?

 

Correct storage helps maintain the quality and safety of this medicine. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the bottle tightly closed after each use
  • Keep out of the reach and sight of children at all times
  • Do not use after the expiry date printed on the bottle or carton
  • Do not dispose of medicines via wastewater or household waste — return unused medicines to your pharmacy

If you're managing a range of health concerns at home, you might also want to explore our vitamins and supplements range to support your immune system during recovery from a cough or cold.

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 Numark Simple Linctus Sugar Free online in the UK?

You can buy Numark Simple Linctus Sugar Free 200ml directly from Cured Pharmacy online for just £3.99. It is available without a prescription as a General Sale List medicine. No GP visit is needed — simply add it to your basket and it will be dispatched to your door.

How does simple linctus sugar free work in the body?

Simple linctus sugar free contains citric acid monohydrate, which acts as a demulcent when swallowed. It coats the mucous membranes of the throat, reducing the irritation that triggers the cough reflex. It works locally in the throat rather than being absorbed into the bloodstream, which is why it has such a good safety profile.

How do I use Numark Simple Linctus Sugar Free step by step?

Shake the bottle gently, then measure the correct dose using a 5ml medicine spoon or the measuring device provided. Swallow the dose slowly to allow it to coat the throat. Repeat up to four times daily for adults, or as directed for children — always check the label for the correct age-appropriate dose.

What is the correct dose of simple linctus sugar free for adults?

Adults and young people aged 12 and over should take 5ml up to four times daily. Do not exceed four doses in any 24-hour period. If your symptoms do not improve within five days, speak to your pharmacist or GP.

Is simple linctus sugar free safe for people with diabetes?

Yes — the sugar-free formulation means it does not contain sucrose or glucose, making it a suitable choice for people with diabetes who need a cough remedy. However, it is always worth checking the full ingredients list on the packaging and confirming with your pharmacist if you have any concerns about your specific situation.

Can children take Numark Simple Linctus Sugar Free?

Yes, this product is suitable for children aged 1 year and over when given the correct age-appropriate dose. Children aged 1–4 years should receive 2.5ml up to three times daily, while children aged 5–11 years can take 5ml up to three times daily. It is not recommended for infants under 1 year of age.

What are the side effects of simple linctus sugar free?

Side effects are uncommon with this product. Some people may experience mild nausea or stomach discomfort, particularly if taken on an empty stomach. Rarely, an allergic reaction may occur — if you notice a rash, swelling, or difficulty breathing, stop use immediately and seek medical attention.

How do I manage side effects of simple linctus sugar free?

If you experience mild nausea, try taking the linctus after a small amount of food or a drink of water. For any persistent or concerning side effects, stop using the product and speak to your pharmacist. Serious allergic reactions require immediate medical attention — do not wait to see if symptoms resolve on their own.

Who is eligible to use Numark Simple Linctus Sugar Free?

This product is suitable for adults and children aged 1 year and over. It is particularly well-suited to people with diabetes, those who prefer a sugar-free medicine, and anyone with a dry or tickly cough who wants a simple, single-ingredient remedy. People who are pregnant, breastfeeding, or have a chronic respiratory condition should consult a pharmacist before use.

What happens if I miss a dose of simple linctus sugar free?

If you miss a dose, simply take it when you remember — unless it is nearly time for your next dose, in which case skip the missed one. Do not double up doses to make up for a missed one. This product is taken as needed for symptom relief, so strict timing is less critical than with prescription medicines.

How long can you use simple linctus sugar free for?

You should not use this product for more than five days without seeking medical advice. If your cough persists beyond five days, worsens, or is accompanied by fever, breathlessness, or chest pain, consult your GP. The NHS advises that most coughs caused by colds resolve within three weeks, but persistent coughs should always be investigated.

What are the alternatives to simple linctus sugar free?

Alternatives include honey and lemon-based cough syrups, glycerol-containing linctuses, or multi-symptom cold and flu remedies if you have additional symptoms. You can browse our full cold and flu range for other options. Always choose a product that matches your specific symptoms — for example, a productive cough may need a different type of remedy.

Does simple linctus sugar free contain alcohol?

The Numark Simple Linctus Sugar Free formulation does not contain sucrose, but you should check the full excipients list on the product packaging for information about alcohol content. If you need to avoid alcohol for religious, medical, or personal reasons, speak to your pharmacist who can advise on the most suitable product for you.

What are the latest studies on simple linctus and cough relief?

Demulcent-based linctuses like simple linctus have been used in UK clinical practice for decades. Current NHS guidance acknowledges that while evidence for over-the-counter cough medicines is limited, demulcents are considered safe and may provide symptomatic relief for dry coughs. The NHS recommends simple self-care measures — including honey and lemon drinks for adults — alongside products like this one.

Can I use simple linctus sugar free alongside pain relief medicines?

Simple linctus sugar free has no known interactions with common pain relief medicines such as paracetamol or ibuprofen. However, if you are taking multiple medicines, it is always sensible to check with your pharmacist. You can also explore our pain relief range if you need something to manage associated discomfort such as a sore throat or headache alongside your cough.

How Should You Use Numark Simple Linctus Sugar Free?

Using this medicine correctly ensures you get the most benefit from each dose. Always read the label before use and follow the instructions carefully. If you are giving this product to a child, double-check the age-appropriate dose before administering.

Do not take more than the recommended number of doses in 24 hours. If symptoms do not improve after five days, seek advice from your pharmacist or GP.

What Is the Correct Dose of Numark Simple Linctus Sugar Free?

The dose varies depending on the age of the person taking it. Always use the correct dose for the relevant age group and do not exceed the maximum daily amount. The table below summarises the recommended dosing.

When Is the Best Time to Use Numark Simple Linctus Sugar Free?

There is no fixed time of day you must take this medicine — you can use it whenever your cough is most troublesome. Many people find it particularly helpful before bed, as a dry cough can disrupt sleep significantly. Taking a dose in the evening may help soothe the throat and reduce night-time coughing.

You can also take it before meals if your cough is triggered by swallowing or throat dryness. Space your doses evenly throughout the day to maintain consistent symptom relief.

How Long Can You Use Numark Simple Linctus Sugar Free For?

This product is intended for short-term use only. Do not use it for more than five consecutive days without seeking medical advice. Most dry coughs associated with a cold or minor upper respiratory tract infection will begin to improve within a few days.

If your cough persists beyond five days, worsens, or is accompanied by symptoms such as fever, breathlessness, chest pain, or blood in phlegm, stop using this product and consult your GP promptly. Prolonged or unexplained coughs should always be investigated by a healthcare professional.

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

How Should You Use Numark Simple Linctus Sugar Free?

Using this medicine correctly ensures you get the most benefit from each dose. Always read the label before use and follow the instructions carefully. If you are giving this product to a child, double-check the age-appropriate dose before administering.

Do not take more than the recommended number of doses in 24 hours. If symptoms do not improve after five days, seek advice from your pharmacist or GP.

What Is the Correct Dose of Numark Simple Linctus Sugar Free?

The dose varies depending on the age of the person taking it. Always use the correct dose for the relevant age group and do not exceed the maximum daily amount. The table below summarises the recommended dosing.

When Is the Best Time to Use Numark Simple Linctus Sugar Free?

There is no fixed time of day you must take this medicine — you can use it whenever your cough is most troublesome. Many people find it particularly helpful before bed, as a dry cough can disrupt sleep significantly. Taking a dose in the evening may help soothe the throat and reduce night-time coughing.

You can also take it before meals if your cough is triggered by swallowing or throat dryness. Space your doses evenly throughout the day to maintain consistent symptom relief.

How Long Can You Use Numark Simple Linctus Sugar Free For?

This product is intended for short-term use only. Do not use it for more than five consecutive days without seeking medical advice. Most dry coughs associated with a cold or minor upper respiratory tract infection will begin to improve within a few days.

If your cough persists beyond five days, worsens, or is accompanied by symptoms such as fever, breathlessness, chest pain, or blood in phlegm, stop using this product and consult your GP promptly. Prolonged or unexplained coughs should always be investigated by a healthcare professional.

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

What Are the Most Common Side Effects of Numark Simple Linctus Sugar Free?

Numark Simple Linctus Sugar Free is generally very well tolerated, and most people experience no side effects at all. The active ingredient, citric acid monohydrate, works locally in the throat rather than being absorbed systemically, which contributes to its favourable safety profile.

  • Mild nausea, particularly if taken on an empty stomach
  • Mild stomach discomfort or an unsettled feeling in the abdomen

These effects are usually minor and short-lived. Taking the linctus after a small snack or a glass of water may help reduce any stomach-related discomfort.

What Are the Less Common Side Effects of Numark Simple Linctus Sugar Free?

Less common reactions are rare but can occur in some individuals. If you notice any of the following, stop using the product and speak to your pharmacist:

  • Skin rash or itching
  • Worsening of cough symptoms after taking the medicine
  • Unusual taste or oral discomfort

These reactions are not commonly reported with simple linctus, but everyone responds differently to medicines. Trust your instincts — if something feels wrong, seek advice.

What Are the Serious Side Effects of Numark Simple Linctus Sugar Free?

Serious side effects are very rare with this product. However, as with any medicine, a severe allergic reaction (anaphylaxis) is possible, though extremely uncommon. Seek emergency medical help immediately if you experience any of the following:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Sudden severe skin reaction such as widespread rash or blistering
  • Dizziness, rapid heartbeat, or collapse

Do not wait to see if these symptoms resolve — call 999 or go to your nearest A&E immediately.

What Should You Do If You Experience Side Effects of Numark Simple Linctus Sugar Free?

For mild side effects such as nausea, try taking the medicine with food or water and see if symptoms settle. If they persist or worsen, stop using the product and consult your pharmacist. You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk — this helps improve medicine safety for everyone.

Never ignore a side effect that concerns you. Your pharmacist is trained to help you assess whether a reaction is significant and can advise on suitable alternatives if needed.

Can Numark Simple Linctus Sugar Free Interact With Other Medicines?

No significant drug interactions are currently known for citric acid monohydrate at the doses used in simple linctus. However, if you are taking any prescription medicines, other over-the-counter products, or herbal remedies, it is always good practice to inform your pharmacist before starting a new medicine. This is especially important if you are taking medicines for heart conditions, kidney disease, or any condition affecting acid-base balance in the body.

If you are unsure whether this product is suitable alongside your current medicines, your pharmacist can check for you quickly and at no charge.

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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