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Beechams All In One Liquid - 160ml

Beechams All In One Liquid - 160ml

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  • ✔️ Relieves fever, congestion, cough, and sore throat simultaneously
  • ✔️ Contains paracetamol, phenylephrine, and guaifenesin in one dose
  • ✔️ Liquid format ideal for those who struggle with tablets
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Helps loosen and clear chest mucus with guaifenesin expectorant

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What Is Beechams All In One Liquid and Does It Work?

 

When a cold or flu hits, it rarely arrives with just one symptom. You might wake up with a blocked nose, a scratchy throat, a nagging cough, and a temperature — all at once. That is exactly where Beechams All In One Liquid comes in. This 160ml oral liquid is a multi-symptom cold and flu remedy designed to tackle several symptoms simultaneously, so you are not juggling multiple medicines at once. It is available over the counter without a prescription and is suitable for adults and children aged 12 and over. If you are looking for broader support during cold season, you can also explore our full range of cold and flu remedies at Cured Pharmacy.

The liquid format makes it easy to swallow, particularly when a sore throat makes tablets uncomfortable. Each 20ml dose delivers a measured combination of three active ingredients, working together to address the most disruptive cold and flu symptoms. It is a well-established product in UK pharmacies and has been used by patients for many years.

 

How Does Beechams All In One Liquid Work?

 

The effectiveness of this remedy comes down to its three-ingredient formula. Each active component targets a different symptom pathway:

  • Paracetamol (500mg per 20ml dose) — reduces fever by acting on the hypothalamus to lower body temperature, and relieves mild to moderate pain such as headache and sore throat.
  • Phenylephrine hydrochloride (10mg per 20ml dose) — a sympathomimetic decongestant that causes vasoconstriction in the nasal mucosa, reducing swelling and relieving a blocked or runny nose.
  • Guaifenesin (200mg per 20ml dose) — an expectorant that increases the volume and reduces the viscosity of mucus secretions in the respiratory tract, making it easier to cough up and clear chest congestion.

Together, these three ingredients address fever, nasal congestion, and chesty cough — the trio of symptoms that tend to make a cold feel most debilitating.

 

Who Is Beechams All In One Liquid Suitable For?

 

This product is intended for adults and young people aged 12 years and over. It is particularly useful for those who prefer a liquid formulation over tablets or capsules. That said, it is not appropriate for everyone. You should check carefully before using it.

It may be suitable for you if:

  • You are aged 12 or over and experiencing cold or flu symptoms
  • You have a combination of symptoms including fever, congestion, and cough
  • You find tablets difficult to swallow
  • You want a single product rather than multiple separate medicines

It is not suitable for children under 12, and caution is needed in people with certain health conditions — see the patient information section below for full details.

 

How Does Beechams All In One Liquid Compare to Similar Products?

 

Feature Beechams All In One Liquid Lemsip Max Cold & Flu Capsules
Formulation Oral liquid Hard capsules
Active ingredients Paracetamol, phenylephrine, guaifenesin Paracetamol, phenylephrine
Expectorant included Yes (guaifenesin) No
Suitable age 12 years and over 16 years and over

 

How Should You Store Beechams All In One Liquid?

 

Store Beechams All In One Liquid 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. Do not use the product after the expiry date printed on the label. If you are managing several health products at home — from pain relief to cold remedies — it is worth keeping a dedicated, cool, dry storage space for medicines.

Once opened, use within the period stated on the packaging. Do not transfer the liquid to another container. If you are unsure whether the product is still safe 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.

Beechams All In One Liquid 160ml specifications
Treatment category Cold and flu / multi-symptom relief
Mechanism of action Analgesic/antipyretic (paracetamol), nasal decongestant (phenylephrine), expectorant (guaifenesin)
Effective for Fever, nasal congestion, chesty cough, sore throat, headache
Suitable for Adults and children aged 12 years and over
Active ingredients Paracetamol 500mg, Phenylephrine HCl 10mg, Guaifenesin 200mg per 20ml dose
Pack size 160ml
UK classification General Sale List (GSL)
Drug class Analgesic, decongestant, expectorant
Preparation Oral liquid solution
Route of administration Oral

Specifications of Beechams All In One Liquid 160ml

 

What Is Beechams All In One Liquid and What Is It Used For?

 

Beechams All In One Liquid is an over-the-counter oral medicine used to relieve the symptoms of colds and flu in adults and children aged 12 and over. It contains three active ingredients — paracetamol, phenylephrine hydrochloride, and guaifenesin — which work together to reduce fever, relieve nasal congestion, ease sore throat pain, and help loosen chesty coughs. It is taken by mouth and comes in a 160ml bottle, providing multiple doses per pack.

This product is classified as a General Sale List (GSL) medicine in the UK, meaning it can be purchased without a prescription. However, it still contains active pharmacological ingredients and must be used correctly. The NHS advises that most colds clear up on their own within 7 to 10 days, but symptomatic relief can make that period considerably more manageable.

 

What Do You Need to Know Before Using Beechams All In One Liquid?

 

Do not take this medicine if any of the following apply to you:

  • You are allergic to paracetamol, phenylephrine, guaifenesin, or any other ingredient in the product
  • You are under 12 years of age
  • You are taking or have taken monoamine oxidase inhibitors (MAOIs) within the last 14 days
  • You have severe high blood pressure (hypertension) or severe coronary artery disease
  • You have severe liver or kidney disease
  • You are pregnant or breastfeeding (consult your doctor first)

Speak to your doctor or pharmacist before taking this medicine if you have:

  • Diabetes, thyroid disease, or an enlarged prostate
  • Heart disease or raised blood pressure
  • Glaucoma
  • A persistent or chronic cough (e.g. from asthma or smoking)
  • Liver problems or regularly drink alcohol

Drug interactions to be aware of:

  • Do not take with any other paracetamol-containing product — this includes many other cold, flu, and pain relief medicines
  • Avoid use with other decongestants or sympathomimetic medicines
  • MAOIs can cause a dangerous rise in blood pressure when combined with phenylephrine
  • Tricyclic antidepressants may interact with phenylephrine
  • Warfarin and other anticoagulants: regular paracetamol use may enhance anticoagulant effects — seek advice from your pharmacist

If you are browsing for additional support during cold season, our ear, nose and throat range includes a variety of products to help manage related symptoms.

 

How Should You Use Beechams All In One Liquid?

 

Always read the label before use. Use the measuring cup provided to ensure an accurate dose. Do not estimate.

  1. Shake the bottle gently before use
  2. Measure exactly 20ml using the supplied measuring cup
  3. Swallow the liquid — it does not need to be diluted
  4. Wait at least four hours before taking the next dose
  5. Do not take more than four doses in any 24-hour period
Age Group Dose Frequency Maximum daily doses
Adults and children aged 12+ 20ml Every 4 hours 4 doses in 24 hours
Children under 12 Not suitable — do not use

 

What Are the Possible Side Effects of Beechams All In One Liquid?

 

Like all medicines, this product can cause side effects, although not everyone experiences them. If you are concerned about any reaction, stop taking the medicine and speak to your pharmacist or GP.

Common side effects:

  • Nausea or stomach upset
  • Dizziness or light-headedness
  • Difficulty sleeping (insomnia)
  • Headache

Less common side effects:

  • Raised blood pressure
  • Palpitations or increased heart rate
  • Skin rash or itching
  • Dry mouth

Serious allergic reactions (anaphylaxis) are rare but possible. Signs include swelling of the face, lips, or throat, difficulty breathing, or a severe skin reaction. Seek emergency medical help immediately if this occurs. The NHS advises calling 999 or going to your nearest A&E in the event of a suspected allergic reaction.

 

How Should You Store Beechams All In One Liquid?

 

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

If you are managing multiple medicines at home alongside products from our vitamins and supplements range, keeping a dedicated, clearly labelled medicine storage area helps prevent accidental misuse.

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 Beechams All In One Liquid online in the UK?

You can buy Beechams All In One Liquid 160ml directly from Cured Pharmacy, a UK GPhC-registered online pharmacy. It is available without a prescription as an over-the-counter medicine. Simply add it to your basket and it will be dispatched to your door.

How does Beechams All In One Liquid work in the body?

The liquid contains three active ingredients that each target a different symptom. Paracetamol reduces fever and relieves pain, phenylephrine hydrochloride acts as a nasal decongestant by narrowing blood vessels in the nasal passages, and guaifenesin is an expectorant that helps thin and loosen mucus so it is easier to clear from the chest. Together, they address the most common cold and flu symptoms in a single dose.

What is the correct dose of Beechams All In One Liquid for adults?

Adults and children aged 12 and over should take 20ml every four hours when needed. No more than four doses should be taken in any 24-hour period. Always use the measuring cup provided to ensure accuracy — do not estimate the dose.

Can I take Beechams All In One Liquid with other cold and flu medicines?

No — you must not take it alongside any other product containing paracetamol, as this significantly increases the risk of paracetamol overdose, which can cause serious liver damage. Always check the ingredients list of any other medicines you are taking, including other cold and flu remedies. If you are unsure, ask your pharmacist before combining any medicines.

Is Beechams All In One Liquid suitable for children?

This product is not suitable for children under 12 years of age. For younger children, a pharmacist can recommend age-appropriate alternatives. Always check the age restriction on any cold medicine before giving it to a child.

What are the side effects of Beechams All In One Liquid?

Common side effects include nausea, dizziness, headache, and difficulty sleeping. Less commonly, it may cause raised blood pressure, palpitations, or a skin rash. Serious allergic reactions are rare but require immediate medical attention — call 999 if you experience swelling of the face or throat or difficulty breathing.

How long can I use Beechams All In One Liquid for?

Do not use this product for more than five days for cold symptoms, or more than three days if you are using it solely to reduce a fever. If your symptoms persist beyond these timeframes, or worsen at any point, consult your GP or pharmacist. Prolonged use without medical supervision is not recommended.

Can I take Beechams All In One Liquid if I am pregnant or breastfeeding?

You should speak to your doctor or pharmacist before taking this medicine if you are pregnant or breastfeeding. Phenylephrine is generally not recommended during pregnancy as it may affect blood flow. Your healthcare provider can advise on the safest option for your situation.

Can I take Beechams All In One Liquid if I have high blood pressure?

Caution is advised if you have high blood pressure, as phenylephrine can raise blood pressure further. You should consult your doctor or pharmacist before using this product if you have hypertension or are taking antihypertensive medicines. There may be more suitable alternatives available for you.

What happens if I accidentally take too much Beechams All In One Liquid?

If you take more than the recommended dose, seek medical advice immediately — even if you feel well — because of the risk of paracetamol overdose, which can cause delayed liver damage. Go to your nearest A&E or call NHS 111 straight away. Take the packaging with you so medical staff can see exactly what you have taken.

What is the best time to take Beechams All In One Liquid?

You can take it at any time of day when symptoms are present, spacing doses at least four hours apart. Many people find it helpful to take a dose before bed to ease overnight symptoms such as congestion and coughing. Just ensure you do not exceed four doses in 24 hours regardless of timing.

Does Beechams All In One Liquid contain alcohol or sugar?

The product does contain some excipients — check the patient information leaflet included in the pack for the full list of ingredients, 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 a suitable alternative if needed.

What are the alternatives to Beechams All In One Liquid?

Alternatives include other multi-symptom cold and flu products such as Lemsip Max capsules or Night Nurse liquid, depending on your specific symptoms and the time of day. You can browse a wider selection in our ear, nose and throat range. A pharmacist can help you choose the most appropriate option based on your symptoms and medical history.

Can I drive after taking Beechams All In One Liquid?

This product may cause dizziness in some people, which could affect your ability to drive or operate machinery safely. If you feel dizzy or light-headed after taking a dose, do not drive. It is always worth assessing how the medicine affects you before getting behind the wheel.

Is there any research supporting the ingredients in Beechams All In One Liquid?

Yes. Paracetamol is one of the most extensively studied analgesics and antipyretics in clinical medicine, with a well-established safety and efficacy profile recognised by the NHS and BNF. Guaifenesin has been used as an expectorant for decades and is included in numerous licensed cold and flu preparations. Phenylephrine is a recognised nasal decongestant, though its oral bioavailability has been subject to ongoing clinical discussion — your pharmacist can advise on the most current guidance.

How Should You Use Beechams All In One Liquid?

Always read the label and patient information leaflet before taking this medicine. Use the measuring cup supplied in the pack to measure your dose accurately — never estimate by eye, as an incorrect dose could mean you take too much paracetamol without realising it.

Follow these steps each time you take a dose:

What Is the Correct Dose of Beechams All In One Liquid?

The dose depends on your age. This product is not suitable for children under 12 years old under any circumstances. For those aged 12 and over, the standard dose is 20ml per administration. Do not increase the dose if symptoms feel severe — exceeding the recommended amount increases the risk of paracetamol toxicity without providing additional benefit.

When Is the Best Time to Use Beechams All In One Liquid?

You can take a dose at any point during the day or evening when your symptoms are troublesome, provided you leave at least four hours between doses. Many people find it particularly helpful to take a dose in the evening before bed, as congestion and coughing tend to worsen when lying down. Taking it with a small amount of food may help reduce the chance of nausea, though it is not strictly required.

Try to space your doses evenly throughout the day rather than clustering them together. If you wake during the night with symptoms, you may take a dose provided your last dose was at least four hours ago and you have not already taken four doses that day.

How Long Can You Use Beechams All In One Liquid For?

This product is intended for short-term use only. Do not use it for more than five consecutive days for cold symptoms, or more than three days if you are taking it purely to manage a fever. If your symptoms have not improved within this timeframe — or if they worsen at any point — stop using the product and consult your GP or pharmacist promptly.

Prolonged use of decongestants and paracetamol without medical supervision is not recommended. If you find yourself needing cold and flu relief repeatedly over several weeks, it is worth speaking to a healthcare professional to rule out an underlying condition such as sinusitis or a secondary infection.

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 Beechams All In One Liquid?

Most people tolerate this medicine well when taken as directed, but some individuals do experience side effects. Common reactions are generally mild and tend to resolve on their own once the medicine is stopped or the dose wears off.

  • Nausea or mild stomach discomfort
  • Dizziness or light-headedness
  • Headache
  • Difficulty sleeping (insomnia)
  • Dry mouth

What Are the Less Common Side Effects of Beechams All In One Liquid?

Less frequently, some people may notice effects related to the decongestant component, phenylephrine. These are more likely in people who are sensitive to sympathomimetic medicines or who have underlying cardiovascular conditions.

  • Raised blood pressure
  • Palpitations or a faster than normal heart rate
  • Restlessness or anxiety
  • Skin rash or itching
  • Tremor

If you notice any of these effects and they are persistent or troubling, stop taking the medicine and speak to your pharmacist or GP. Do not simply increase the gap between doses and continue without seeking advice.

What Are the Serious Side Effects of Beechams All In One Liquid?

Serious side effects are rare but require immediate medical attention. The most significant risk associated with this product is paracetamol overdose, which can occur if you accidentally take more than the recommended dose or take it alongside another paracetamol-containing product. Paracetamol overdose can cause severe liver damage, and symptoms may not appear for 24 to 72 hours after the overdose — by which time significant harm may already have occurred. If you suspect an overdose, go to A&E immediately or call 999, even if you feel well.

Serious allergic reactions (anaphylaxis) are rare but possible. Seek emergency help immediately if you experience:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • A sudden widespread skin rash with blistering
  • Collapse or loss of consciousness

What Should You Do If You Experience Side Effects?

For mild side effects such as nausea or dizziness, try taking the medicine with a small amount of food and resting afterwards. If side effects are moderate or do not resolve, stop taking the medicine 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 feels unusual or severe. Your pharmacist is always a good first point of contact and can advise whether you need to see a GP.

Can Beechams All In One Liquid Interact With Other Medicines?

Yes. This product has several clinically important interactions. The most serious is with monoamine oxidase inhibitors (MAOIs) — combining phenylephrine with an MAOI can cause a dangerous and potentially life-threatening rise in blood pressure. Do not take this product if you have taken an MAOI in the last 14 days. Other interactions include tricyclic antidepressants, antihypertensive medicines, and other sympathomimetic drugs. Regular use of paracetamol alongside warfarin may also enhance the anticoagulant effect, increasing bleeding risk. Always tell your pharmacist about all medicines you are taking, including herbal remedies and supplements.

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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