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Buttercup Original Cough Syrup - 150ml

Buttercup Original Cough Syrup - 150ml

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  • ✔️ Soothes dry, tickly, and irritating coughs effectively
  • ✔️ Traditional herbal formula with Squill and Capsicum
  • ✔️ Suitable for adults and young people aged 12+
  • ✔️ Non-drowsy formula — safe for daytime use
  • ✔️ Convenient 150ml bottle for multi-dose use

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What Is Buttercup Original Cough Syrup?

 

A cough that just won't quit can be exhausting — especially when it's dry, tickly, and seems to flare up at the worst possible moments. Buttercup original cough syrup is a time-trusted, over-the-counter remedy that has been helping people in the UK manage irritating coughs for generations. Available in a 150ml bottle for just £5.89, it's a straightforward, affordable option you can order without a prescription. If you're also dealing with a blocked nose or sore throat alongside your cough, it's worth browsing our ear, nose and throat remedies for additional support.

This syrup is classified as a traditional herbal medicinal product. It contains a blend of herbal ingredients — primarily Squill Oxymel and Capsicum Tincture — that have been used in cough preparations for well over a century. It's not a new formulation, and that's rather the point. Sometimes the old remedies stick around because they genuinely work.

 

How Does Buttercup Original Cough Syrup Work?

 

The mechanism behind this syrup is rooted in its herbal ingredients. Rather than suppressing the cough reflex with a synthetic compound, it works by soothing the mucous membranes lining the throat and upper airways, reducing the irritation that triggers the urge to cough. Here's a simple breakdown:

  • Squill Oxymel — derived from the squill plant, this ingredient has traditional expectorant properties, helping to ease the sensation of irritation in the throat.
  • Capsicum Tincture — a small amount of capsicum (chilli pepper extract) acts as a mild counter-irritant, which may help distract the nerve endings responsible for triggering the cough reflex.
  • Together, these ingredients create a soothing coating effect on the throat, providing short-term relief from dry and tickly coughs.

It's worth noting that this is a symptomatic treatment. It eases the discomfort of a cough rather than treating any underlying infection or illness.

 

Who Should Use Buttercup Original Cough Syrup?

 

This syrup is suitable for adults and young people aged 12 and over who are experiencing a dry, tickly, or irritating cough. It's particularly useful when a cough is caused by a minor upper respiratory tract irritation — the kind that often follows a cold or develops in cold, dry weather. It is not intended for productive (chesty) coughs where you're bringing up mucus.

  • Adults aged 18 and over with a dry or tickly cough
  • Adolescents aged 12–17 (under adult supervision)
  • Those seeking a herbal, non-drowsy cough remedy
  • People who prefer a traditional formulation without synthetic active ingredients

 

How Does Buttercup Original Cough Syrup Compare to Other Cough Remedies?

 

Feature Buttercup Original Cough Syrup Simple Linctus (Glycerol-based)
Active ingredients Squill Oxymel, Capsicum Tincture (herbal) Citric acid monohydrate (synthetic demulcent)
Suitable for Adults and children 12+ Adults and children 1+ (depending on formulation)
Cough type Dry, tickly, irritating cough Dry, tickly cough
Prescription required No — OTC No — OTC

 

Is Buttercup Original Cough Syrup Safe to Store at Home?

 

Yes — storage is simple. Keep the bottle below 25°C, away from direct sunlight, and out of reach of children. Once opened, check the label for any in-use expiry guidance. Do not use the product after the expiry date printed on the packaging. If you're managing a range of household medicines, our cold and flu remedies collection is a good place to stock up on other essentials alongside buttercup original cough syrup.

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 Original Cough Syrup 150ml specifications
Treatment category Cough remedies
Mechanism of action Soothes throat mucous membranes; mild counter-irritant effect
Effective for Dry, tickly, and irritating coughs
Suitable for Adults and children aged 12 and over
Active ingredients Squill Oxymel, Capsicum Tincture
Pack size 150ml
UK classification General Sale List (GSL)
Drug class Traditional herbal medicinal product
Preparation Oral syrup
Route of administration Oral

Specifications of Buttercup Original Cough Syrup 150ml

 

What Is Buttercup Original Cough Syrup and What Is It Used For?

 

Buttercup Original Cough Syrup is a traditional herbal medicinal product used to relieve dry, tickly, and irritating coughs in adults and adolescents aged 12 and over. It is available over the counter without a prescription and comes in a 150ml bottle. The NHS notes that most coughs caused by colds or minor upper respiratory irritation will resolve on their own, but symptomatic remedies like this syrup can help make the experience more manageable in the meantime.

 

What Do You Need to Know Before Using Buttercup Original Cough Syrup?

 

Before using this syrup, it's important to check whether it's appropriate for you. There are certain situations where you should not use it, and others where you should seek advice first.

Do not use this product if you:

  • Are under 12 years of age
  • Are allergic to any of the ingredients, including squill or capsicum
  • Have a productive (chesty) cough with significant mucus
  • Have a persistent cough associated with asthma, chronic bronchitis, or emphysema

Speak to your pharmacist or GP before use if you:

  • Are pregnant or breastfeeding
  • Have a known liver or kidney condition
  • Are taking any prescribed medicines
  • Have had a cough lasting more than 3 weeks without a clear cause

Known drug interactions:

  • No clinically significant drug interactions have been established at recommended doses for this traditional herbal product
  • If you are taking any regular prescribed medication, always check with your pharmacist before adding any new medicine — even an OTC one

 

How Should You Use Buttercup Original Cough Syrup?

 

Always read the label carefully before use. The syrup is taken orally — there's no need to dilute it. Use the measuring spoon or cup provided if included, or a standard 5ml medicine spoon.

  1. Shake the bottle gently before use.
  2. Measure the correct dose using a 5ml medicine spoon.
  3. Swallow the syrup directly — do not mix with water.
  4. Repeat up to three times daily as needed.
  5. Do not exceed the stated dose.
Age Group Dose Frequency Maximum daily dose
Adults (18+) 5ml (one teaspoonful) Up to 3 times daily 15ml
Adolescents (12–17) 5ml (one teaspoonful) Up to 3 times daily 15ml
Children under 12 Not suitable — do not use

 

What Are the Possible Side Effects of Buttercup Original Cough Syrup?

 

Side effects with this syrup are uncommon when used as directed. However, as with any medicine, some people may experience unwanted effects. The NHS advises that you stop taking any medicine and seek advice if you develop unexpected symptoms.

Common side effects:

  • Mild warmth or tingling sensation in the mouth or throat (due to capsicum)
  • Mild stomach discomfort

Less common side effects:

  • Nausea
  • Allergic reaction — including skin rash, itching, or swelling of the face or throat (seek immediate medical attention if this occurs)

If you experience any side effect that concerns you, stop using the product and speak to your pharmacist or GP. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. If you're managing other symptoms alongside your cough — such as general aches and pains — our pain relief collection may also be helpful.

 

How Should You Store Buttercup Original Cough Syrup?

 

Correct storage helps maintain the quality and safety of the product throughout its shelf life.

  • Store below 25°C
  • Keep away from direct sunlight and heat sources
  • Store in the original packaging
  • Keep out of the sight and reach of children
  • 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

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 Buttercup Original Cough Syrup online in the UK?

You can buy Buttercup Original Cough Syrup 150ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £5.89. No prescription is needed as it is a General Sale List medicine. It's a convenient way to get a trusted cough remedy delivered to your door.

How does Buttercup Original Cough Syrup work in the body?

The syrup works by soothing the mucous membranes lining the throat and upper airways, reducing the irritation that triggers a dry or tickly cough. Squill Oxymel has traditional expectorant properties, while Capsicum Tincture acts as a mild counter-irritant to calm the cough reflex. Together, they provide short-term symptomatic relief rather than treating any underlying cause.

How do I use Buttercup Original Cough Syrup step by step?

Shake the bottle gently, then measure 5ml using a medicine spoon. Swallow the syrup directly without diluting it with water. You can repeat this up to three times daily as needed, but do not exceed 15ml in 24 hours.

What is the correct dose of Buttercup Original Cough Syrup for adults?

Adults and adolescents aged 12 and over should take one 5ml teaspoonful up to three times daily. The maximum daily dose is 15ml. Always read the product label before use and do not exceed the recommended dose.

Is Buttercup Original Cough Syrup suitable for children under 12?

No — this syrup is not recommended for children under 12 years of age. If your child is under 12 and has a cough, speak to your pharmacist or GP about age-appropriate alternatives. You can also browse our baby and toddler health range for suitable products for younger children.

Can I take Buttercup Original Cough Syrup if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should consult your doctor or pharmacist before using this syrup. As with all medicines during pregnancy, caution is advised even with herbal products. Your healthcare provider can recommend the safest option for your situation.

What are the side effects of Buttercup Original Cough Syrup?

Side effects are uncommon at the recommended dose but may include a mild warming or tingling sensation in the mouth or throat due to the capsicum content, and occasionally mild stomach discomfort. Rarely, an allergic reaction may occur — if you notice swelling, a rash, or difficulty breathing, stop use immediately and seek medical attention.

How long can I use Buttercup Original Cough Syrup for?

You should not use this syrup for more than 5 consecutive days without seeking medical advice. If your cough persists beyond this time, worsens, or is accompanied by fever, breathlessness, or chest pain, see your GP. Persistent coughs can sometimes indicate an underlying condition that needs proper assessment.

What happens if I accidentally take too much Buttercup Original Cough Syrup?

If you accidentally take more than the recommended dose, contact NHS 111 or your nearest A&E for advice. Take the bottle with you so healthcare professionals can see exactly what you've taken. Do not try to make yourself sick unless specifically told to do so by a medical professional.

What are alternatives to Buttercup Original Cough Syrup for a dry cough?

Alternatives for a dry cough include simple linctus (glycerol-based), honey and lemon preparations, or pholcodine-containing syrups for adults. The right choice depends on your age, other medicines you take, and the nature of your cough. Speak to your pharmacist for personalised advice, or explore our cold and flu remedies for a wider range of options.

Can I take Buttercup Original Cough Syrup with other cold and flu medicines?

You should check with your pharmacist before combining this syrup with other cough or cold medicines, as some products contain overlapping ingredients. No significant drug interactions have been established for this herbal product at recommended doses, but it's always wise to double-check. Your pharmacist can review your full list of medicines quickly and easily.

Is Buttercup Original Cough Syrup suitable for people with asthma?

People with asthma should consult their GP or pharmacist before using this syrup, as a persistent cough in asthma may require a different treatment approach. Using a cough suppressant when asthma is the underlying cause could mask important symptoms. Always get a proper diagnosis if your cough is linked to a respiratory condition.

Does Buttercup Original Cough Syrup contain alcohol or sugar?

You should check the product label or patient information leaflet for the full list of excipients, including any alcohol or sugar content. If you have diabetes or are avoiding alcohol for any reason, speak to your pharmacist before use. They can help you identify the most suitable cough remedy for your needs.

What is the latest research on herbal cough syrups like Buttercup?

Research into traditional herbal cough remedies is limited compared to synthetic medicines, but ingredients like capsicum have been studied for their role in modulating the cough reflex via TRPV1 receptor pathways. The NHS acknowledges that many OTC cough remedies provide symptomatic relief, though evidence for specific herbal formulations varies. For the most up-to-date guidance, the NHS recommends speaking to a pharmacist about which cough remedy is right for you.

How should I store Buttercup Original Cough Syrup once opened?

Once opened, store the bottle below 25°C, away from direct sunlight, and keep the cap tightly closed. Always keep it out of reach of children. Check the label for any specific in-use storage instructions and do not use the product after the expiry date printed on the packaging.

How Should You Use Buttercup Original Cough Syrup?

Using this syrup correctly ensures you get the most from it while staying safe. Always read the label before your first dose, and make sure you have a proper 5ml medicine spoon to hand — a kitchen teaspoon is not accurate enough for measuring medicines.

If your cough does not improve after a few days of use, or if it worsens at any point, stop taking the syrup and speak to your pharmacist or GP.

What Is the Correct Dose of Buttercup Original Cough Syrup?

The dose is the same for adults and adolescents aged 12 and over. Do not give this product to anyone under 12 years of age. The table below summarises the recommended dosing by age group.

When Is the Best Time to Use Buttercup Original Cough Syrup?

There is no fixed time of day required for this syrup — you can take it whenever your cough is most troublesome. Many people find it helpful to take a dose before bed if a tickly cough is disrupting their sleep, as well as during the day when symptoms flare. Space your doses evenly throughout the day and avoid taking more than three doses in any 24-hour period.

Taking the syrup after a light snack may help reduce any mild stomach discomfort, particularly if you find the capsicum content causes a warming sensation.

How Long Can You Use Buttercup Original Cough Syrup For?

This syrup is intended for short-term use only. You should not use it for more than 5 consecutive days without seeking medical advice. Most coughs caused by a cold or minor throat irritation will begin to improve within a few days. If your cough persists beyond 5 days, is getting worse rather than better, or is accompanied by symptoms such as fever, chest pain, breathlessness, or blood in your mucus, stop using the syrup and see your GP promptly.

Long-term or recurring coughs should always be investigated by a healthcare professional to rule out underlying conditions such as asthma, acid reflux, or other respiratory issues.

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

What Are the Most Common Side Effects of Buttercup Original Cough Syrup?

Most people who use this syrup at the recommended dose do not experience significant side effects. However, the capsicum content can cause a noticeable warming or tingling sensation in the mouth and throat, which is expected and generally harmless. This tends to be mild and short-lived.

  • Mild warmth or tingling in the mouth or throat
  • Mild stomach discomfort or nausea
  • A slight burning sensation in the upper digestive tract

What Are the Less Common Side Effects of Buttercup Original Cough Syrup?

Less commonly, some individuals may experience reactions that go beyond the expected mild effects. These are not typical but are worth being aware of before you start using the product.

  • Nausea or an unsettled stomach
  • Skin rash or itching
  • Headache
  • Dizziness

If any of these effects are persistent or particularly bothersome, stop using the syrup and speak to your pharmacist.

What Are the Serious Side Effects of Buttercup Original Cough Syrup?

Serious side effects are rare with this product when used as directed, but an allergic reaction is possible in sensitive individuals. Signs of a serious allergic reaction (anaphylaxis) include swelling of the face, lips, tongue, or throat, difficulty breathing or swallowing, a sudden widespread rash, or feeling faint. If you experience any of these symptoms, stop using the syrup immediately and call 999 or go to your nearest A&E.

You should also seek urgent medical attention if your cough suddenly worsens, you develop a high fever, or you cough up blood — these are not side effects of the syrup but may indicate a more serious underlying condition requiring prompt assessment.

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

For mild side effects such as throat tingling or stomach discomfort, you may simply need to take the syrup with a small amount of food or water beforehand. If side effects are more troublesome, stop using the product and consult your pharmacist or GP. You can also report any suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk — this helps improve medicine safety for everyone.

Can Buttercup Original Cough Syrup Interact With Other Medicines?

No clinically significant drug interactions have been established for this traditional herbal product at recommended doses. That said, if you are taking any prescribed medicines — particularly those for heart conditions, blood pressure, or epilepsy — always check with your pharmacist before adding any new OTC medicine to your routine. Herbal ingredients can occasionally affect how other medicines are absorbed or metabolised, even if interactions are not formally documented.

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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