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Benylin Children's 6+ Chesty Coughs – 125ml

Benylin Children's 6+ Chesty Coughs – 125ml

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  • ✔️ Loosens and clears chest mucus in children aged 6–12
  • ✔️ Contains guaifenesin expectorant for productive cough relief
  • ✔️ Sugar-free and alcohol-free formula suitable for children
  • ✔️ Helps children cough more effectively to shift phlegm
  • ✔️ Trusted OTC chesty cough relief for school-age children

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Is Benylin Children's 6+ the Right Chesty Cough Syrup for Children?

 

When your child develops a chesty, rattly cough, it can be worrying — and exhausting for everyone in the house. Benylin Children's 6+ Chesty Coughs 125ml is a well-established chesty cough syrup for children aged 6 to 12 years, formulated to help loosen and shift mucus from the airways. It is available over the counter without a prescription and is one of the most widely recognised children's cough medicines in the UK. You can browse our full range of cold and flu remedies if you need additional support alongside this product.

Chesty coughs in children are commonly caused by upper respiratory tract infections, including the common cold. The NHS notes that most coughs in children clear up on their own within three weeks, but a targeted expectorant can help ease discomfort in the meantime. This syrup is sugar-free and alcohol-free, which makes it a practical choice for everyday use during illness.

 

How Does Benylin Children's 6+ Chesty Coughs Work?

 

The active ingredient in this syrup is guaifenesin 50mg per 5ml. Guaifenesin is classified as an expectorant — it does not suppress the cough reflex but instead works to make mucus easier to clear. Here is how it acts:

  • It increases the hydration of mucus secretions in the respiratory tract.
  • This reduces the viscosity (thickness) of phlegm, making it less sticky.
  • Thinner mucus is easier for the cilia (tiny hair-like structures in the airways) to move upward.
  • The child can then cough more productively and clear the mucus more effectively.

It is worth noting that guaifenesin does not treat the underlying infection — it simply helps manage the symptom of a chesty, productive cough while the body recovers naturally.

 

Who Should Use Benylin Children's 6+ Chesty Coughs?

 

This product is specifically designed for children aged 6 to 12 years who have a chesty, productive cough with mucus. It is not appropriate for dry or tickly coughs, which require a different type of medicine. Always check the label before use.

  • Children aged 6 to 12 years with a chesty, mucus-producing cough.
  • Children whose cough is associated with a cold or mild upper respiratory tract infection.
  • Children who need a sugar-free and alcohol-free formulation.
  • Families looking for a trusted, pharmacist-recommended OTC option.

It is not suitable for children under 6 years of age. If your child is under 6, speak to your GP or pharmacist before using any cough medicine. You may also find relevant products in our baby and toddler range for younger children.

 

How Does Benylin Children's 6+ Compare to Other Children's Cough Syrups?

 

Feature Benylin Children's 6+ Chesty Coughs Tixylix Chesty Cough Syrup
Active ingredient Guaifenesin 50mg/5ml Guaifenesin 50mg/5ml
Suitable age range 6–12 years 1–10 years
Sugar-free Yes Yes
Alcohol-free Yes Yes

 

How Should You Store Benylin Children's 6+ Chesty Coughs?

 

Store this chesty cough syrup for children below 25°C, away from direct sunlight and heat sources. Keep the bottle tightly closed when not in use. As with all medicines, store it out of the sight and reach of children — ideally in a locked medicine cabinet.

Do not use the syrup after the expiry date printed on the bottle. Once opened, check the patient information leaflet for any specific in-use shelf life guidance. If you are unsure whether the product is still suitable to use, ask your pharmacist.

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.

Benylin Children's 6+ Chesty Coughs 125ml specifications
Treatment category Cough and cold relief
Mechanism of action Expectorant — reduces mucus viscosity
Effective for Chesty, productive coughs in children
Suitable for Children aged 6–12 years
Active ingredient Guaifenesin 50mg/5ml
Pack size 125ml
UK classification General Sale List (GSL)
Drug class Expectorant
Preparation Oral syrup
Route of administration Oral

Specifications of Benylin Children's 6+ Chesty Coughs 125ml

 

What Is Benylin Children's 6+ Chesty Coughs and What Is It Used For?

 

Benylin Children's 6+ Chesty Coughs is an oral syrup containing guaifenesin, an expectorant medicine used to relieve chesty, productive coughs in children aged 6 to 12 years. It is classified as a General Sale List (GSL) medicine in the UK, meaning it can be purchased without a prescription from pharmacies and supermarkets. The syrup helps to thin and loosen mucus in the chest and airways, making it easier for children to cough up phlegm and breathe more comfortably. It is commonly used during colds and mild upper respiratory tract infections.

 

What Do You Need to Know Before Using Benylin Children's 6+ Chesty Coughs?

 

Before giving this medicine to your child, read the following carefully. There are certain situations where this product should not be used or where extra caution is needed.

Do not use this product if your child:

  • Is under 6 years of age.
  • Has a known allergy or hypersensitivity to guaifenesin or any other ingredient in the syrup.
  • Has a persistent or chronic cough, such as that associated with asthma.
  • Has a cough that produces excessive mucus (which may indicate a more serious condition).

Use with caution and seek advice if your child:

  • Has asthma or any other respiratory condition.
  • Is taking other medicines, including herbal remedies.
  • Has a high temperature (fever) above 38°C, which may indicate a bacterial infection requiring medical attention.

Known drug interactions:

  • No clinically significant interactions are known at standard OTC doses of guaifenesin.
  • Always inform your pharmacist of all medicines your child is currently taking.

 

How Should You Use Benylin Children's 6+ Chesty Coughs?

 

Always follow the dosage instructions on the label or as directed by your pharmacist. Use the measuring spoon or oral syringe provided — never use a household teaspoon, as this may result in an inaccurate dose.

  1. Shake the bottle gently before each use.
  2. Measure the correct dose using the 5ml measuring spoon provided.
  3. Give the syrup directly to your child or mix with a small amount of water if preferred.
  4. Administer up to four times a day, leaving at least four hours between doses.
  5. Do not exceed four doses in any 24-hour period.
Age Group Dose Frequency Maximum daily dose
6–12 years 10ml (two 5ml spoonfuls) Up to 4 times daily 40ml in 24 hours
Under 6 years Not suitable
Over 12 years Use adult formulation

If your child's cough does not improve after five days, or if symptoms worsen, stop use and consult your GP. You might also want to explore our ear, nose and throat range for complementary products that may help with associated symptoms.

 

What Are the Possible Side Effects of Benylin Children's 6+ Chesty Coughs?

 

Like all medicines, Benylin Children's 6+ Chesty Coughs can cause side effects, although not all children will experience them. Most side effects are mild and resolve on their own.

Common side effects:

  • Nausea
  • Vomiting
  • Stomach discomfort or upset

Less common side effects:

  • Dizziness
  • Headache
  • Skin rash (which may indicate an allergic reaction — stop use immediately)

If your child develops any signs of an allergic reaction — such as swelling of the face, lips, or throat, difficulty breathing, or a widespread rash — seek emergency medical attention immediately by calling 999 or going to your nearest A&E.

 

How Should You Store Benylin Children's 6+ Chesty Coughs?

 

Correct storage helps maintain the safety and effectiveness 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.
  • Store out of the sight and reach of children — ideally in a locked medicine cabinet.
  • 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 medicine to your pharmacist for safe disposal.

If you are managing your child's health during cold and flu season, it is also worth checking whether they are getting adequate nutritional support. Our vitamins and supplements range includes options that may help support immune health in children.

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 Benylin Children's 6+ Chesty Coughs online in the UK?

You can buy Benylin Children's 6+ Chesty Coughs 125ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is a General Sale List medicine, so no prescription is needed. It is also available from most high street pharmacies and larger supermarkets across the UK.

How does Benylin Children's 6+ Chesty Coughs work in the body?

The active ingredient, guaifenesin, is an expectorant that works by increasing the water content of mucus in the airways, making it thinner and less sticky. This allows the cilia — tiny hair-like structures lining the airways — to move mucus upward more easily. The result is a more productive cough that helps clear phlegm from the chest.

How do I use Benylin Children's 6+ Chesty Coughs step by step?

Shake the bottle before use, then measure 10ml (two 5ml spoonfuls) using the measuring spoon provided. Give the dose to your child up to four times a day, leaving at least four hours between each dose. Never exceed four doses in 24 hours, and always use the measuring spoon rather than a household teaspoon.

What is the correct dose of Benylin Children's 6+ Chesty Coughs for a 6-year-old?

Children aged 6 to 12 years should receive 10ml (two 5ml spoonfuls) per dose, up to four times daily. This is the same dose for all children within the 6–12 age range. Do not give this product to children under 6 years of age — speak to your pharmacist for suitable alternatives.

Can I give Benylin Children's 6+ Chesty Coughs to a child under 6?

No — this product is not licensed for use in children under 6 years of age. Giving it to younger children could be unsafe. If your child is under 6 and has a chesty cough, consult your GP or pharmacist, and take a look at our baby and toddler range for age-appropriate options.

What are the side effects of Benylin Children's 6+ Chesty Coughs?

Side effects are uncommon but can include nausea, vomiting, and stomach upset. Less commonly, children may experience dizziness or headache. If your child develops a rash, facial swelling, or difficulty breathing, stop use immediately and seek urgent medical attention, as these may indicate an allergic reaction.

How long can my child take Benylin Children's 6+ Chesty Coughs for?

This medicine should not be used for more than five consecutive days without seeking medical advice. If your child's cough has not improved after five days, or if it worsens at any point, stop use and consult your GP. Persistent coughs in children can sometimes indicate an underlying condition that needs assessment.

Does Benylin Children's 6+ Chesty Coughs contain sugar or alcohol?

No — Benylin Children's 6+ Chesty Coughs is both sugar-free and alcohol-free. This makes it suitable for children who need to avoid sugar for dental or dietary reasons. Always check the full ingredients list on the packaging if your child has any known allergies or intolerances.

What is the difference between a chesty cough and a dry cough in children?

A chesty cough is a productive cough that brings up mucus or phlegm — it often sounds wet or rattly. A dry cough, by contrast, is tickly and does not produce mucus. Benylin Children's 6+ Chesty Coughs is specifically formulated for chesty, productive coughs and would not be appropriate for a dry or tickly cough.

What happens if I accidentally give my child too much Benylin Children's 6+ Chesty Coughs?

If you think your child has taken more than the recommended dose, contact NHS 111 or your nearest A&E immediately. Take the medicine packaging with you so healthcare professionals can see exactly what was taken and how much. Do not wait for symptoms to appear before seeking advice.

Who is eligible to use Benylin Children's 6+ Chesty Coughs?

This product is suitable for children aged 6 to 12 years who have a chesty, productive cough associated with a cold or mild respiratory infection. It is not suitable for children under 6, and children over 12 should use an adult formulation. Always consult a pharmacist if you are unsure whether this product is right for your child.

Can Benylin Children's 6+ Chesty Coughs be used alongside other cold medicines?

You should be cautious about combining cough and cold medicines, as some products contain overlapping ingredients. Always check with your pharmacist before giving your child more than one cold or cough remedy at the same time. If your child also has a sore throat or fever, your pharmacist can advise on safe combinations. You can also browse our cold and flu range for guidance.

What are alternatives to Benylin Children's 6+ Chesty Coughs?

Alternatives containing the same active ingredient guaifenesin include Tixylix Chesty Cough Syrup, which is suitable from 1 year of age. Your pharmacist can help you choose the most appropriate product based on your child's age, symptoms, and any other medicines they are taking. Non-medicated options such as warm honey and lemon drinks may also help soothe symptoms in children over 1 year.

Is there any latest research on guaifenesin as a chesty cough syrup for children?

Guaifenesin has been used as an expectorant for decades and remains one of the most widely studied OTC cough ingredients. Current evidence supports its use for short-term relief of productive coughs, though the NHS notes that most coughs in children resolve without treatment. Always follow current NHS guidance and consult your GP if you have concerns about your child's cough.

What should I do if my child's cough does not improve with Benylin Children's 6+ Chesty Coughs?

If your child's cough has not improved after five days of use, or if they develop a high fever, difficulty breathing, chest pain, or are generally becoming more unwell, stop the medicine and seek medical advice promptly. These symptoms may indicate a more serious condition such as a chest infection or pneumonia that requires GP assessment and possibly antibiotics.

How Should You Use Benylin Children's 6+ Chesty Coughs?

Always read the label carefully before giving this medicine to your child. Use only the measuring spoon provided — a household teaspoon is not accurate enough and could result in your child receiving the wrong dose. Shake the bottle gently before each use to ensure the syrup is evenly mixed.

What Is the Correct Dose of Benylin Children's 6+ Chesty Coughs?

The dose is the same for all children within the licensed age range. Never exceed four doses in any 24-hour period, and do not give this product to children outside the stated age range without first consulting a pharmacist or GP.

When Is the Best Time to Use Benylin Children's 6+ Chesty Coughs?

There is no single "best" time of day to give this syrup — it can be taken at any time, provided doses are spaced at least four hours apart. Many parents find it helpful to give a dose before school and again in the evening to help their child sleep more comfortably. If your child's cough is particularly disruptive at night, a dose before bedtime may help ease symptoms and improve rest.

How Long Can You Use Benylin Children's 6+ Chesty Coughs For?

This medicine is intended for short-term use only. Do not use it for more than five consecutive days without seeking medical advice. If your child's cough persists beyond five days, worsens, or is accompanied by a high fever, difficulty breathing, or chest pain, stop use and consult your GP promptly. Prolonged or severe coughs in children may indicate a condition that requires further investigation and treatment beyond an OTC remedy.

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 Benylin Children's 6+ Chesty Coughs?

Most children tolerate Benylin Children's 6+ Chesty Coughs well, and side effects are uncommon when the product is used as directed. However, as with any medicine, some children may experience unwanted effects. The most commonly reported side effects relate to the gastrointestinal system.

  • Nausea
  • Vomiting
  • Stomach discomfort or upset

These effects are usually mild and short-lived. Giving the dose with a small amount of water or food may help reduce stomach upset in some children.

What Are the Less Common Side Effects of Benylin Children's 6+ Chesty Coughs?

Less commonly, children may experience the following side effects. These are not frequently reported but are worth being aware of, particularly if your child has not taken guaifenesin before.

  • Headache
  • Dizziness
  • Drowsiness
  • Skin rash

If your child develops a skin rash after taking this medicine, stop use immediately, as this may be an early sign of an allergic reaction. Contact your pharmacist or GP for further guidance.

What Are the Serious Side Effects of Benylin Children's 6+ Chesty Coughs?

Serious side effects are rare but can occur. The most significant concern is an allergic reaction (hypersensitivity) to guaifenesin or another ingredient in the syrup. Signs of a serious allergic reaction include swelling of the face, lips, tongue, or throat, difficulty breathing or swallowing, a widespread or rapidly spreading rash, and collapse or loss of consciousness. If your child shows any of these signs, call 999 immediately or take them to the nearest A&E department. Do not wait to see if symptoms improve on their own.

What Should You Do If Your Child Experiences Side Effects?

For mild side effects such as nausea or stomach upset, try giving the dose with a small amount of water. If side effects are persistent, troublesome, or worrying, stop use and speak to your pharmacist or GP. You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps regulators monitor the safety of medicines used in the UK.

Can Benylin Children's 6+ Chesty Coughs Interact With Other Medicines?

No clinically significant drug interactions are known for guaifenesin at standard OTC doses. However, you should always tell your pharmacist about any other medicines your child is taking — including prescription medicines, other OTC products, and herbal remedies — before starting this syrup. Combining multiple cough and cold products can sometimes lead to unintentional double-dosing of certain ingredients. Your pharmacist is best placed to advise on safe combinations.

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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