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Buttercup Bronchostop Cough Syrup - 120ml

Buttercup Bronchostop Cough Syrup - 120ml

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  • ✔️ Relieves both dry and chesty coughs with dual herbal action
  • ✔️ Soothes throat irritation with marshmallow root extract
  • ✔️ Suitable for adults and children aged 1 year and over
  • ✔️ Thyme extract helps loosen mucus for easier clearance
  • ✔️ THR-registered herbal medicine assessed for quality by MHRA

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What Is Bronchostop Cough Syrup and Does It Work?

 

A cough can be exhausting — whether it's a dry, tickly irritation keeping you up at night or a chesty cough that just won't shift. Bronchostop cough syrup is a traditional herbal medicinal product designed to relieve both types of cough in adults and children aged 1 year and over. Available as a 120ml bottle, it's a convenient, over-the-counter option you can order directly from our cold and flu remedies range without needing a prescription.

The syrup contains two plant-based active ingredients — thyme herb dry extract and marshmallow root extract — which have a long history of use in European herbal medicine for respiratory complaints. It's registered under the Traditional Herbal Registration (THR) scheme in the UK, meaning it meets MHRA standards for quality and safety based on traditional use.

 

How Does Bronchostop Cough Syrup Work?

 

The two active ingredients work together to target cough symptoms from different angles:

  • Thyme herb dry extract — acts as a natural expectorant and antispasmodic. It helps loosen mucus in the airways, making it easier to clear, and reduces the spasm reflex that triggers persistent coughing.
  • Marshmallow root extract — forms a soothing, mucilaginous coating over the throat and upper airway lining. This helps calm irritation and reduces the urge to cough, particularly useful for dry or tickly coughs.

Together, these ingredients address both the productive (chesty) and non-productive (dry) cough types, which is why Bronchostop is often described as a dual-action cough remedy. The syrup format also means it coats the throat directly on swallowing, which may provide faster localised relief than tablet-based alternatives.

 

Who Should Use Bronchostop Cough Syrup?

 

This syrup is suitable for a wide range of people dealing with short-term cough symptoms. It's particularly well-suited to those who prefer a herbal or plant-based approach to managing their cough. That said, it's not appropriate for everyone — always read the label carefully.

  • Adults and children aged 1 year and over
  • People with a dry, tickly, or irritating cough
  • People with a chesty cough with mucus
  • Those who prefer a herbal, non-synthetic cough remedy

It is not suitable for people who are allergic to thyme, marshmallow, or other plants in the Lamiaceae or Malvaceae families. If you are pregnant, breastfeeding, or taking other medicines, speak to your pharmacist before use.

 

How Does Bronchostop Compare to Other Cough Syrups?

 

Feature Bronchostop Cough Syrup Standard OTC Cough Syrup (e.g. guaifenesin-based)
Active ingredients Thyme extract, marshmallow root Guaifenesin or pholcodine (synthetic)
Cough types treated Dry and chesty (dual action) Usually one type only
Suitable for children Yes, from age 1 Varies — many not suitable under 12
Herbal / THR registered Yes No

 

Is Bronchostop Cough Syrup Safe to Store at Home?

 

Yes — storage is straightforward. Keep the bottle below 25°C, away from direct sunlight, and out of reach of children. Do not refrigerate. Once opened, use within the period stated on the label. If you notice any changes in colour, smell, or consistency, do not use the product and contact your pharmacist.

If you're managing other seasonal symptoms alongside your cough, you might also find our allergy and hay fever range helpful, particularly during spring and summer months when airborne irritants can trigger persistent coughing.

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.

Buttercup Bronchostop Cough Syrup 120ml specifications
Treatment category Cough remedies
Mechanism of action Expectorant and demulcent (herbal)
Effective for Dry, tickly, and chesty coughs
Suitable for Adults and children aged 1 year and over
Active ingredients Thyme herb dry extract, marshmallow root extract
Pack size 120ml
UK classification Traditional Herbal Registration (THR)
Drug class Herbal medicinal product
Preparation Oral syrup
Route of administration Oral

Specifications of Buttercup Bronchostop Cough Syrup 120ml

 

What Is Bronchostop Cough Syrup and What Is It Used For?

 

Bronchostop cough syrup is a traditional herbal medicinal product used to relieve the symptoms of dry, tickly, irritating, and chesty coughs. It is registered under the UK's Traditional Herbal Registration (THR) scheme, which means it has been assessed by the MHRA for quality and safety based on its traditional use. It is taken orally and is available without a prescription.

Coughs are one of the most common reasons people visit a pharmacist in the UK. The NHS notes that most coughs are caused by viral upper respiratory tract infections and typically resolve within three weeks. Bronchostop cough syrup is intended for short-term symptomatic relief during this period.

 

What Do You Need to Know Before Using Bronchostop Cough Syrup?

 

Before using this syrup, it's important to check whether it's appropriate for you. Do not use Bronchostop if any of the following apply:

  • You are allergic to thyme, marshmallow, or plants in the Lamiaceae or Malvaceae families
  • Your child is under 1 year of age
  • You have a persistent cough associated with asthma, chronic bronchitis, or emphysema
  • Your cough is accompanied by high fever, breathlessness, or blood-stained mucus — seek urgent medical advice
  • You are pregnant or breastfeeding (consult your doctor or pharmacist first)

Regarding drug interactions, no clinically significant interactions have been established at recommended doses. However, if you are taking any prescribed medicines — particularly immunosuppressants or medicines for respiratory conditions — always check with your pharmacist before starting any new remedy. You can also browse our ear, nose and throat range for complementary products that may support your recovery.

  • No established interactions at recommended doses
  • Caution advised if taking prescribed respiratory medicines
  • Inform your pharmacist of all medicines you are currently taking

 

How Should You Use Bronchostop Cough Syrup?

 

Always use this product exactly as directed on the label. Shake the bottle gently before each use and measure the dose carefully using the measuring cup provided.

  1. Shake the bottle gently before use
  2. Measure the correct dose using the measuring cup provided
  3. Take the syrup orally — it can be swallowed directly or diluted in a small amount of water
  4. Do not exceed the maximum daily dose for your age group
  5. If symptoms do not improve within 7 days, consult your doctor or pharmacist
Age Group Single Dose Frequency Maximum Daily Dose
Adults and children 12+ 20ml Up to 5 times daily 100ml
Children aged 6–11 10ml Up to 5 times daily 50ml
Children aged 1–5 5ml Up to 5 times daily 25ml

 

What Are the Possible Side Effects of Bronchostop Cough Syrup?

 

Side effects with Bronchostop are uncommon when used as directed. However, as with any medicine, some people may experience unwanted effects. Stop use and seek medical advice if you develop any symptoms that concern you.

Common side effects:

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

Less common side effects:

  • Allergic reactions — including skin rash, itching, or swelling — particularly in people sensitive to thyme or marshmallow
  • Worsening of cough symptoms (may indicate an underlying condition requiring medical review)

If you experience signs of a serious allergic reaction — such as difficulty breathing, swelling of the face or throat, or severe skin reactions — stop use immediately and call 999 or go to your nearest A&E.

 

How Should You Store Bronchostop Cough Syrup?

 

Correct storage helps maintain the quality and safety of the product throughout its shelf life. Follow these guidelines:

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

If you're looking to support your overall health during cold and flu season, our vitamins and supplements range includes options such as vitamin C and zinc that are commonly used to support immune function.

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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 Bronchostop cough syrup online in the UK?

You can buy Bronchostop cough syrup directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £6.75 per 120ml bottle. No prescription is needed as it is an over-the-counter herbal medicine. It's also available in some high street pharmacies and supermarkets across the UK.

How does Bronchostop cough syrup work in the body?

Bronchostop contains thyme herb dry extract, which acts as an expectorant and antispasmodic to loosen mucus and reduce cough spasms. Marshmallow root extract forms a soothing coating over the throat lining, calming irritation that triggers dry or tickly coughs. Together, these two herbal ingredients address both chesty and dry cough symptoms.

How do I use Bronchostop cough syrup step by step?

Shake the bottle gently before each use, then measure the correct dose using the measuring cup provided. Swallow the syrup directly or dilute it in a small amount of water if preferred. Take up to the maximum number of doses per day for your age group and do not exceed the stated dose.

What is the correct dose of Bronchostop cough syrup for adults?

Adults and children aged 12 and over should take 20ml of Bronchostop cough syrup up to five times daily. The maximum daily dose for adults is 100ml. Always follow the dosage instructions on the product label and do not exceed the recommended amount.

Can children under 12 take Bronchostop cough syrup?

Yes — Bronchostop cough syrup is suitable for children aged 1 year and over, with age-appropriate doses. Children aged 6 to 11 should take 10ml up to five times daily, and children aged 1 to 5 should take 5ml up to five times daily. It must not be given to children under 1 year of age. You can also explore our baby and toddler range for other age-appropriate health products.

What are the side effects of Bronchostop cough syrup?

Side effects are uncommon but may include mild nausea or gastrointestinal discomfort, particularly if taken on an empty stomach. Allergic reactions — such as skin rash, itching, or swelling — can occur in people sensitive to thyme or marshmallow plants. Stop use and seek medical advice if you experience any unusual or concerning symptoms.

Is Bronchostop cough syrup safe during pregnancy?

The safety of Bronchostop cough syrup during pregnancy has not been established, so it is not recommended for use during pregnancy without first consulting your doctor or midwife. The same caution applies if you are breastfeeding. Always seek professional advice before taking any medicine during pregnancy.

How long can you use Bronchostop cough syrup for?

Bronchostop cough syrup should not be used for more than 7 days without consulting a doctor or pharmacist. If your cough persists beyond this period, worsens, or is accompanied by fever, breathlessness, or blood-stained mucus, seek medical advice promptly. Persistent coughs can sometimes indicate an underlying condition that requires investigation.

What is the best time to take Bronchostop cough syrup?

There is no single best time — Bronchostop can be taken throughout the day as needed, up to the maximum daily dose for your age group. Many people find it helpful to take a dose before bed to reduce night-time coughing. Taking it with or after food may help reduce the chance of mild stomach discomfort.

What happens if I miss a dose of Bronchostop cough syrup?

If you miss a dose, simply take the next dose when needed — do not double up to make up for a missed one. Bronchostop is taken on an as-needed basis rather than at fixed intervals, so missing a single dose is unlikely to affect your overall recovery. Continue using it as directed until your symptoms improve.

Does Bronchostop cough syrup interact with other medicines?

No clinically significant drug interactions have been established for Bronchostop at recommended doses. However, if you are taking prescribed medicines — particularly for respiratory conditions, immune suppression, or other chronic illnesses — always inform your pharmacist before starting this product. It's always better to check than to assume.

Is Bronchostop cough syrup suitable for people with asthma?

Bronchostop is not recommended for people whose cough is associated with asthma, chronic bronchitis, or emphysema. If you have asthma and are experiencing a cough, speak to your GP or asthma nurse before using any OTC cough remedy. Managing your asthma triggers is usually the most effective approach in these cases.

What are alternatives to Bronchostop cough syrup?

Alternatives include OTC cough syrups containing guaifenesin (for chesty coughs) or simple linctus (for dry coughs), as well as honey and lemon-based remedies recommended by the NHS for adults and children over 1. The right choice depends on your cough type, age, and any other medicines you are taking — your pharmacist can advise. You can also browse our full cold and flu range for other options.

Is Bronchostop cough syrup a traditional herbal medicine?

Yes — Bronchostop cough syrup holds a Traditional Herbal Registration (THR) in the UK, granted by the MHRA. This means it has been assessed for quality and safety based on its traditional use, though it is not licensed on the basis of clinical trial evidence in the same way as conventional medicines. The THR mark on the packaging confirms its regulatory status.

What are the latest studies on thyme and marshmallow for coughs?

Research into thyme extract for cough has shown promising results, with some studies suggesting it may be as effective as conventional expectorants for acute bronchitis symptoms. Marshmallow root has been studied for its demulcent properties, with evidence supporting its ability to soothe throat irritation. However, as Bronchostop is registered under traditional use rather than clinical trial evidence, always discuss treatment options with your pharmacist or GP for persistent or severe coughs.

How Should You Use Bronchostop Cough Syrup?

Using Bronchostop cough syrup correctly ensures you get the most from each dose while keeping the experience as safe as possible. Always read the label before use and follow the instructions carefully. If you are unsure about anything, ask your pharmacist for guidance before starting.

What Is the Correct Dose of Bronchostop Cough Syrup?

The dose varies depending on age. Always use the measuring cup provided and never exceed the maximum daily dose for your age group. If you are unsure which dose applies to you or your child, speak to your pharmacist before use.

When Is the Best Time to Use Bronchostop Cough Syrup?

Bronchostop can be taken at any time of day as needed, up to the maximum daily dose for your age group. Many people find it particularly helpful to take a dose in the evening before bed, as coughing often worsens when lying down. Taking it with or shortly after food may also help reduce the chance of mild stomach discomfort.

There is no requirement to take doses at fixed intervals — simply use it when your cough symptoms are troublesome, within the daily dose limits. Spacing doses evenly throughout the day can help maintain consistent symptom relief.

How Long Can You Use Bronchostop Cough Syrup For?

Bronchostop cough syrup is intended for short-term use only. Do not use it for more than 7 days without consulting your doctor or pharmacist. Most coughs caused by viral infections — such as colds or flu — resolve within two to three weeks, but the syrup should only be used for the first week without medical review.

If your cough persists beyond 7 days, worsens, or is accompanied by symptoms such as high fever, breathlessness, chest pain, or blood-stained mucus, stop use and seek medical advice promptly. These symptoms may indicate a more serious underlying condition that requires professional assessment.

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

How Should You Use Bronchostop Cough Syrup?

Using Bronchostop cough syrup correctly ensures you get the most from each dose while keeping the experience as safe as possible. Always read the label before use and follow the instructions carefully. If you are unsure about anything, ask your pharmacist for guidance before starting.

What Is the Correct Dose of Bronchostop Cough Syrup?

The dose varies depending on age. Always use the measuring cup provided and never exceed the maximum daily dose for your age group. If you are unsure which dose applies to you or your child, speak to your pharmacist before use.

When Is the Best Time to Use Bronchostop Cough Syrup?

Bronchostop can be taken at any time of day as needed, up to the maximum daily dose for your age group. Many people find it particularly helpful to take a dose in the evening before bed, as coughing often worsens when lying down. Taking it with or shortly after food may also help reduce the chance of mild stomach discomfort.

There is no requirement to take doses at fixed intervals — simply use it when your cough symptoms are troublesome, within the daily dose limits. Spacing doses evenly throughout the day can help maintain consistent symptom relief.

How Long Can You Use Bronchostop Cough Syrup For?

Bronchostop cough syrup is intended for short-term use only. Do not use it for more than 7 days without consulting your doctor or pharmacist. Most coughs caused by viral infections — such as colds or flu — resolve within two to three weeks, but the syrup should only be used for the first week without medical review.

If your cough persists beyond 7 days, worsens, or is accompanied by symptoms such as high fever, breathlessness, chest pain, or blood-stained mucus, stop use and seek medical advice promptly. These symptoms may indicate a more serious underlying condition that requires professional assessment.

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

What Are the Most Common Side Effects of Bronchostop Cough Syrup?

Bronchostop cough syrup is generally well tolerated when used as directed. Side effects are uncommon, but as with any medicine, some people may experience unwanted effects. The most frequently reported issues are mild and gastrointestinal in nature.

  • Mild nausea, particularly if taken on an empty stomach
  • Mild stomach discomfort or bloating
  • Unpleasant taste in some individuals

What Are the Less Common Side Effects of Bronchostop Cough Syrup?

Less commonly, some people may experience reactions related to sensitivity to the herbal ingredients. These are more likely in individuals who have known sensitivities to plants in the Lamiaceae (mint) or Malvaceae (mallow) families.

  • Skin rash or itching
  • Mild swelling, particularly around the mouth or throat
  • Worsening of cough symptoms — which may suggest an underlying condition requiring medical review

What Are the Serious Side Effects of Bronchostop Cough Syrup?

Serious side effects are rare but can occur. The most significant risk is a severe allergic reaction (anaphylaxis), which, though uncommon, requires immediate medical attention. You should be aware of the warning signs.

Stop using Bronchostop immediately and call 999 or go to your nearest A&E if you experience any of the following:

  • Difficulty breathing or swallowing
  • Severe swelling of the face, lips, tongue, or throat
  • Sudden widespread skin rash or hives
  • Dizziness, rapid heartbeat, or collapse

What Should You Do If You Experience Side Effects of Bronchostop Cough Syrup?

If you notice any mild side effects such as nausea, try taking the syrup with a small amount of food or water. If side effects persist or become bothersome, stop use and speak to 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 side effects that feel unusual or severe. Your pharmacist is always a good first point of contact for advice on managing any unwanted effects from OTC medicines.

Can Bronchostop Cough Syrup Interact With Other Medicines?

No clinically significant drug interactions have been established for Bronchostop cough syrup at recommended doses. However, herbal medicines can sometimes affect how other medicines work in the body, even if interactions are not formally documented. If you are taking any prescribed medicines — particularly for respiratory conditions, immune suppression, or chronic illness — always inform your pharmacist before starting Bronchostop. This is especially important if you are taking multiple medicines at the same time.

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

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Content last updated: 31 Mar 2025

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