A three-active liquid containing paracetamol 500mg, guaifenesin 200mg (expectorant), and phenylephrine 10mg (decongestant) per 20ml dose
For adults and children 16+ for short-term cold, chills, and flu relief including chesty productive cough, congestion, pain, and fever
Dose: 20ml every 4 hours as needed; max 4 doses (80ml) in 24 hours; max 5 days without medical advice
Contraindicated in phaeochromocytoma, closed-angle glaucoma, and with other decongestants. Caution in kidney/liver disease, diabetes, high blood pressure, heart disease, and hyperthyroidism
Available from Courier Pharmacy as a pharmacy medicine (P) with pharmacist support
Beechams All-in-One Liquid is an oral solution supplied in a 160ml bottle. The pack includes a measuring cup or spoon.
Each 20ml dose contains three active ingredients. Paracetamol 500mg is an analgesic and antipyretic. Guaifenesin 200mg is an expectorant. Phenylephrine hydrochloride 10mg is a decongestant.
Firstly, the manufacturer is Haleon UK Trading Limited (formerly GlaxoSmithKline Consumer Healthcare). Beechams is a long-established UK cold and flu brand.
Also, the liquid format allows faster absorption than tablets. This can mean quicker onset of symptom relief.
However, the liquid contains alcohol (ethanol 96%), sorbitol, and colouring agents. These are important considerations for some patients.
How three actives cover different symptom groups
Cold and flu symptoms come from several different mechanisms. One liquid with three actives targets multiple symptoms at once.
Firstly, paracetamol addresses pain (headache, body aches, sore throat) and fever. Also, phenylephrine addresses congestion. Furthermore, guaifenesin addresses chesty productive cough by thinning mucus.
As a result, one dose can relieve the full spectrum of chesty cold and flu symptoms. This is the appeal of a combined product.
However, this comes with a trade-off. You receive all three actives whether you need each one or not. If your symptoms are limited, single-active products may fit better.
A pharmacy medicine without pseudoephedrine restrictions
Beechams All-in-One Liquid is a pharmacy medicine (P). Firstly, unlike products with pseudoephedrine, it is not controlled under the Misuse of Drugs Regulations.
Also, this means no pack size limits apply. You can buy the 160ml bottle without the one-pack-per-transaction restriction that applies to pseudoephedrine products.
However, it must still be supplied via a pharmacy with pharmacist involvement. At Courier Pharmacy, our pharmacist may ask a few questions before supply to check the product is suitable for your situation.
Key features and specifications
Active ingredients per 20ml dose: paracetamol 500mg + guaifenesin 200mg + phenylephrine hydrochloride 10mg
Form: oral liquid solution, in 160ml bottle
Class: combined analgesic, antipyretic, expectorant, and sympathomimetic decongestant
Legal status: Pharmacy medicine (P). Not subject to Misuse of Drugs Regulations (uses phenylephrine, not pseudoephedrine)
Age: adults and children 16 years and over (except on medical advice)
Other ingredients: sorbitol (E420), glycerol, ethanol (96%), propylene glycol, sodium cyclamate, acesulfame potassium, sodium citrate, xanthan gum, citric acid, coughsweet flavour, sunset yellow (E110), patent blue (E131), water
Storage: store below 25°C, keep in original packaging
Distinctive features: liquid formulation for fast absorption, guaifenesin for chesty productive cough (unique among common cold/flu combinations), phenylephrine (no pack size limits), contains alcohol
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A three-active liquid for cold, flu, and chesty cough symptoms
Beechams All-in-One Liquid (also called Beechams All-in-One Oral Solution) is a well-known UK cold and flu remedy. Each 20ml dose contains three active ingredients working together.
Firstly, paracetamol 500mg is an analgesic and antipyretic. It relieves headache, sinus pain, sore throat, and reduces fever.
Also, guaifenesin 200mg is an expectorant. It loosens phlegm and helps clear a chesty, productive cough.
Furthermore, phenylephrine hydrochloride 10mg is a decongestant. It helps unblock a stuffy nose and open blocked sinuses.
However, unlike Beechams Powders or plain Sudafed products, Beechams All-in-One targets the chesty productive cough as well as congestion and pain. This makes it well-suited to full cold and flu symptom relief.
Also, Beechams All-in-One Liquid is for adults and children aged 16 years and over. This is a higher minimum age than the tablet version (12+), largely due to the alcohol content.
Furthermore, unlike products with pseudoephedrine, phenylephrine is not controlled under UK Misuse of Drugs Regulations. So no pack size limits apply. It is still a pharmacy medicine (P) though.
Above all, the phenylephrine content means cardiovascular precautions apply. And paracetamol carries its own overdose risks that patients should understand.
Also, the liquid format allows faster absorption than tablets. However, it must be measured accurately using the dosing spoon or cup provided.
At Courier Pharmacy, our team can help you decide whether Beechams All-in-One Liquid fits your symptoms and situation.
When to see a doctor rather than self-treat
Beechams All-in-One Liquid is for short-term symptom relief only. However, some symptoms need medical assessment instead of continued self-treatment.
Sudden severe headache, seizures, sudden confusion, or visual disturbance. Stop and call 999 (rare risk of PRES or RCVS from the phenylephrine)
Chest pain, breathlessness, palpitations, or one-sided weakness. Call 999
Cold or flu symptoms lasting more than 5 to 7 days without improvement, or symptoms that improve and then worsen
Cough lasting more than 3 weeks, cough with blood, cough with thick coloured phlegm and fever, or shortness of breath
Thick coloured nasal discharge with high fever, severe facial pain, or dental pain (possible bacterial sinusitis)
Signs of paracetamol overdose (nausea, vomiting, abdominal pain, drowsiness). Contact NHS 111 or A&E even if you feel well
Facial swelling, throat swelling, hives, or difficulty breathing. Call 999 (possible severe allergic reaction)
Severe or widespread skin rash with pustules, blistering, or peeling. Stop and seek urgent help
If you are pregnant, breastfeeding, over 60, take blood thinners, or have any of the medical conditions in the warnings section below, don’t take this without pharmacist or GP advice
Five key takeaways
Beechams All-in-One Liquid contains three active ingredients per 20ml dose: paracetamol 500mg (pain and fever), guaifenesin 200mg (expectorant for chesty cough), and phenylephrine 10mg (decongestant).
Licensed for adults and children 16+ for short-term relief of cold, chills, and flu symptoms including chesty productive cough, headache, blocked nose, painful sinuses, sore throat, and body aches.
Dose: 20ml (or 4 x 5ml spoonfuls) every 4 hours as needed. Max 4 doses in 24 hours. Max 5 days without medical advice.
Contraindicated in phaeochromocytoma, closed-angle glaucoma, and with other sympathomimetic decongestants. Use with caution in kidney or liver disease, diabetes, high blood pressure, heart disease, and hyperthyroidism.
Contains alcohol (ethanol), sorbitol, sunset yellow (E110), and patent blue (E131). Do not combine with other paracetamol products, other decongestants, or cough suppressants.
What is Beechams All-in-One Liquid: overview
Where Beechams All-in-One Liquid fits in cold and flu treatment
Cold and flu produce a mix of symptoms. Options include single-active products (paracetamol, plain decongestant, plain cough medicine) and combined products like Beechams All-in-One.
Firstly, Beechams All-in-One Liquid’s specific niche is chesty productive cough with cold and flu. The guaifenesin sets it apart from most combined products.
However, if you only have a dry cough (no phlegm), a cough suppressant like pholcodine or dextromethorphan may fit better than an expectorant.
Also, if you don’t have a cough, plain Sudafed with paracetamol or ibuprofen may fit better than a product containing guaifenesin.
Beechams All-in-One Liquid vs Beechams All-in-One Tablets
Both products contain the same three actives, but at different doses per unit and different age licences.
Firstly, the Liquid has 500mg paracetamol + 200mg guaifenesin + 10mg phenylephrine per 20ml dose. Adults take one 20ml dose.
Also, the Tablets have 250mg paracetamol + 100mg guaifenesin + 5mg phenylephrine per tablet. Adults take 2 tablets per dose.
However, at the per-dose level, the two are equivalent. The main practical differences are format (liquid faster acting), age (liquid 16+ vs tablets 12+), and alcohol content (liquid contains alcohol; tablets do not).
Beechams All-in-One vs Beechams Powders Sachets
Beechams Powders Sachets contain aspirin 600mg + caffeine 50mg per sachet. They are distinct from All-in-One.
Firstly, Powders use aspirin (an NSAID with anti-inflammatory action) plus caffeine (an analgesic adjuvant). All-in-One uses paracetamol (safer profile) plus guaifenesin and phenylephrine.
Also, Powders do not contain a decongestant or expectorant. All-in-One covers congestion and chesty cough as well as pain.
However, Powders are 16+ (aspirin/Reye’s syndrome concern), while All-in-One Liquid is also 16+ (alcohol content).
Beechams All-in-One vs Sudafed Sinus Pressure and Pain or Nurofen Cold and Flu
Sudafed Sinus Pressure and Pain contains ibuprofen 200mg + pseudoephedrine 30mg. Nurofen Cold and Flu is identical. Both are non-drowsy and focus on congestion with pain.
Firstly, Beechams All-in-One uses phenylephrine (weaker decongestant than pseudoephedrine) with paracetamol (safer than ibuprofen in NSAID-sensitive patients).
Also, Beechams All-in-One adds guaifenesin for chesty cough. Sudafed and Nurofen do not cover cough.
However, phenylephrine is a milder decongestant than pseudoephedrine. If severe congestion is the main issue, a pseudoephedrine product may work better.
Short-term use only
Beechams All-in-One Liquid is licensed for short-term (up to 5 days) symptom relief. Symptoms that persist beyond this need medical assessment.
Firstly, prolonged decongestant use raises cardiovascular strain. Prolonged paracetamol use raises liver strain, particularly with alcohol or existing liver problems.
Also, a productive cough lasting more than 3 weeks needs medical assessment. Chronic cough has many possible causes that need proper diagnosis.
Self-medication with pharmacist support
Because Beechams All-in-One Liquid is a pharmacy medicine, buying at Courier Pharmacy comes with pharmacist support. Firstly, this is a mandated feature of the pharmacy classification.
Also, the pharmacist can check that the product fits your symptoms and situation. They will confirm you are not on MAOI antidepressants or other interacting medicines.
However, if this product is not right for you, we will explain why. We will then suggest safer options (single-active products or a GP appointment).
Why choose Courier Pharmacy for your Beechams All-in-One Liquid
Registered, independent, and patient-led
Courier Pharmacy is a UK-registered independent pharmacy. The General Pharmaceutical Council regulates us.
Firstly, even for a well-known pharmacy medicine like Beechams, pharmacist support matters. A short conversation can prevent avoidable harm.
Also, we treat every request as a chance to check that the product fits your situation. This is not a simple retail transaction.
As a result, buying this liquid from us comes with the reassurance that a UK-qualified pharmacist has thought about your specific case.
Dr Ada Jex-Cori, our brand pharmacist
Our brand pharmacist is Dr Ada Jex-Cori. She represents the spirit of what we do. Named for Ada Lovelace, Sophia Jex-Blake, and Gerty Cori, she stands for evidence-led, unafraid-of-questions medicine. Her message is straightforward. You’re not broken. The system is. We’re here to change that.
Care that keeps showing up
Pharmacy-medicine purchases are not one-off transactions when done properly. Firstly, we are here to answer follow-up questions if the product is not working as expected.
Also, if you notice unexpected side effects or your symptoms change, contact us. If symptoms persist beyond 5 days, we can help you think through the next step.
However, we will not sell repeated bottles to someone who really needs medical assessment. That is not care, it is just retail.
Buy Beechams All-in-One Liquid from Courier Pharmacy
Beechams All-in-One Liquid is a pharmacy medicine (P). You can order at courierpharmacy.co.uk in the 160ml bottle.
Add Beechams All-in-One Liquid to your basket at courierpharmacy.co.uk
A brief pharmacist suitability check will be conducted before supply
Your order is dispensed and dispatched promptly
Follow the pack directions carefully, using the measuring cup or spoon provided. Contact us if you have questions
If this product is not right for your situation, we will explain why. Options include Beechams All-in-One Tablets (age 12+, no alcohol), plain paracetamol, a plain decongestant, plain guaifenesin cough syrup, or a GP appointment.
Above all, we will not dispense a product that is not suitable for you just because it was requested.
Summary
A pharmacy-sold three-active liquid with paracetamol (pain and fever), guaifenesin (expectorant), and phenylephrine (decongestant).
Adult and 16+ dose: 20ml every 4 hours (max 4 doses/24h = 80ml). Max 5 days without medical advice.
Well-suited to chesty productive cough with cold and flu symptoms. The guaifenesin is the key feature separating this from decongestant-only combinations.
Not subject to pseudoephedrine pack size restrictions (uses phenylephrine instead). Still requires pharmacy supply.
Contains alcohol (ethanol 96%), sorbitol, and colouring agents E110 and E131. Age 16+ minimum.
Active ingredients in Beechams All-in-One Liquid
Paracetamol 500mg per 20ml dose
Paracetamol is a widely-used analgesic (pain reliever) and antipyretic (fever reducer).
Firstly, the exact mechanism is not fully understood. It is thought to act primarily on the central nervous system, reducing prostaglandin production in the brain and spinal cord.
Also, at the 500mg per adult dose, paracetamol provides moderate pain relief and reduces fever. Onset via the liquid format is usually within 15 to 30 minutes.
However, paracetamol has a narrow safety margin in overdose. Doses just above the maximum can cause serious liver damage.
As a result, total daily paracetamol from all sources must not exceed 4 grams (4000mg) in adults. Beechams All-in-One at maximum dose provides 2000mg per 24 hours.
Guaifenesin 200mg per 20ml dose
Guaifenesin is an expectorant. It is the active ingredient that makes Beechams All-in-One suitable for chesty productive cough.
Firstly, guaifenesin works by thinning and loosening the mucus in the airways. This makes it easier to cough up and clear.
Also, at the 200mg per adult dose, guaifenesin provides standard expectorant activity. It is not a cough suppressant.
However, guaifenesin needs adequate fluid intake to work well. Drink plenty of water while taking Beechams All-in-One Liquid.
Furthermore, guaifenesin is generally well tolerated. Very large doses can cause nausea and vomiting.
Phenylephrine hydrochloride 10mg per 20ml dose
Phenylephrine is a synthetic sympathomimetic decongestant. It acts on alpha-1 adrenergic receptors on blood vessels.
Firstly, at the 10mg per adult dose (the standard adult decongestant dose), it narrows blood vessels in the nasal and sinus lining.
However, phenylephrine's effectiveness at oral doses has been debated. Some evidence suggests it is a weaker decongestant than pseudoephedrine, though it is widely used.
Also, phenylephrine is not controlled under the Misuse of Drugs Regulations. This is why phenylephrine-containing products (like this one) have no pack size limits.
Furthermore, phenylephrine has cardiovascular effects similar to pseudoephedrine. Contraindications and cautions for cardiovascular disease still apply.
Why the three-active combination is used
Cold and flu with chesty cough involve three main problems. Pain and fever, congestion, and productive cough.
Firstly, paracetamol addresses pain and fever. Also, phenylephrine addresses congestion. Furthermore, guaifenesin addresses the chesty cough.
As a result, one liquid targets all three problems at once. This is the appeal of a full-spectrum combined product.
However, if you don't have one of these three problems, a simpler product may fit better.
What is Beechams All-in-One Liquid for?
Cold, chills, and flu with chesty cough
Beechams All-in-One Liquid is licensed for short-term symptomatic relief of colds, chills, and influenza, including chesty coughs.
Firstly, the combination addresses the main cold and flu symptoms including headache, shivers, aches and pains, blocked nose, painful sinuses, catarrh, sore throat, and productive cough.
However, this liquid does not treat the underlying viral infection. Colds usually resolve on their own in 7 to 10 days.
Chesty productive cough with mucus
The guaifenesin component makes this liquid particularly suited to a chesty productive cough. Firstly, it loosens the mucus, making it easier to clear.
However, if the cough is dry (no phlegm), a cough suppressant would fit better than an expectorant. Beechams All-in-One is not appropriate for dry cough.
Also, if the cough has lasted more than 3 weeks, medical assessment is needed to identify the underlying cause.
Headache and sinus pain with congestion
The paracetamol addresses headache and pain. The phenylephrine addresses the sinus congestion contributing to the pain.
However, severe sinus symptoms need medical assessment. Warning signs include high fever, severe facial pain, thick coloured discharge, or symptoms lasting more than 10 days.
What Beechams All-in-One isn't for
This liquid is not for chronic cough, chronic congestion, isolated symptoms without cough, or dry (non-productive) cough.
Also, it is not for children under 16, or for use during pregnancy or breastfeeding without medical advice.
However, if symptoms are severe, sudden, unusual, or accompanied by other concerning features (see the red flags above), this liquid is not the right response.
Furthermore, if you have phaeochromocytoma, closed-angle glaucoma, or take an MAOI antidepressant, do not use this liquid.
How does Beechams All-in-One Liquid work?
Paracetamol's analgesic and antipyretic action
Paracetamol works mainly on the central nervous system. Firstly, it is thought to reduce prostaglandin production in the brain and spinal cord.
Also, this reduces pain perception and lowers the raised body temperature set-point during infection.
However, paracetamol has minimal anti-inflammatory effect in peripheral tissues. This is why it is a weaker anti-inflammatory than ibuprofen or aspirin.
Furthermore, paracetamol does not cause the stomach irritation, cardiovascular strain, or platelet effects associated with NSAIDs.
Guaifenesin's expectorant action
Guaifenesin thins and loosens mucus in the airways. Firstly, it does this by increasing the water content of respiratory secretions.
Also, thinner mucus is easier to cough up and clear. This helps a productive cough become more effective at clearing the airways.
However, guaifenesin needs adequate hydration to work well. Drink plenty of fluids while using it.
Furthermore, guaifenesin does not suppress the cough reflex. It does not reduce the urge to cough; it makes each cough more productive.
Phenylephrine's alpha-adrenergic action
Phenylephrine narrows blood vessels in the nasal and sinus lining. Firstly, it binds to alpha-1 adrenergic receptors on the vessel walls.
Also, this makes the vessels tighten (vasoconstriction), reducing the swelling that causes a blocked nose. Sinus drainage improves too.
However, phenylephrine acts throughout the body, not just in the nose. This is why cardiovascular contraindications and cautions apply.
Furthermore, phenylephrine is a weaker oral decongestant than pseudoephedrine but is widely used because it is not subject to Misuse of Drugs Regulations.
Why the liquid format matters
The liquid format allows faster absorption than tablets or capsules. Firstly, there is no need for the tablet to break down before absorption begins.
Also, this can mean quicker onset of symptom relief, particularly for pain and fever from the paracetamol.
However, the liquid must be measured accurately using the provided spoon or cup. Household spoons are unreliable.
Furthermore, the liquid contains alcohol (ethanol 96%). This is a consideration for anyone avoiding alcohol for religious, medical, or personal reasons.
How to take Beechams All-in-One Liquid
Adult and 16+ dose
Take one 20ml measured dose (or four 5ml spoonfuls) every 4 hours as needed. Do not take more than 4 doses (80ml) in any 24-hour period.
Also, leave at least 4 hours between doses. At the maximum daily dose, you receive 2g paracetamol, 800mg guaifenesin, and 40mg phenylephrine.
However, do not take this liquid for more than 5 days without medical advice.
Children under 16 (not for use)
Beechams All-in-One Liquid is not for children under 16 years of age except on medical advice. This is a higher age minimum than most cold and flu products.
However, for cold and flu symptoms in children under 16, paediatric paracetamol (Calpol) or ibuprofen for pain and fever, plus saline nasal drops for congestion, are the standard options.
Also, if a chesty cough is present, plain guaifenesin products or simple linctus may be more appropriate age-adjusted options.
How to measure the dose
Use the measuring cup or spoon provided with the bottle. Firstly, this ensures you take exactly 20ml per dose.
Also, do not use kitchen teaspoons or tablespoons to measure. Household spoons vary in size and can lead to under- or over-dosing.
However, if the cup or spoon is missing, use a marked medicine spoon from any pharmacy. Do not estimate.
How quickly it works
The liquid format allows faster absorption than tablets. Firstly, the paracetamol usually starts to reduce pain and fever within 15 to 30 minutes.
Also, the phenylephrine relieves congestion within about 30 minutes. The guaifenesin's expectorant effect builds up over the first few doses.
However, peak effect for the pain and fever relief is reached at about 1 hour. The effect usually lasts around 4 hours per dose.
Timing during the day
Beechams All-in-One does not contain a sedating antihistamine, so timing is flexible. Firstly, morning, midday, and afternoon doses generally work well.
However, the phenylephrine has mild central nervous system effects. Avoid a dose close to bedtime as this could disturb sleep.
Also, if you take an evening dose, leave several hours before bedtime.
Missed doses and stopping
This liquid is taken as needed, not on a fixed schedule. So there is no missed-dose concern in the usual sense.
Also, you can stop the liquid whenever your symptoms have resolved. There is no need to taper.
However, if you find yourself needing it for more than 5 days, medical assessment is warranted. The underlying cause of ongoing symptoms matters.
Do not take with other paracetamol, decongestants, or cough suppressants
Above all, do not take Beechams All-in-One Liquid alongside any other product containing paracetamol. This includes plain paracetamol tablets, Panadol, Anadin Extra, Lemsip, Day Nurse, Night Nurse, Benylin Day and Night, Benylin 4 Flu, co-codamol, or co-dydramol.
Also, do not combine with any other product containing pseudoephedrine, phenylephrine, or ephedrine (Sudafed products, Actifed, Sinutab, Nurofen Cold and Flu, other Beechams cold products).
Furthermore, do not combine with a cough suppressant (dextromethorphan, pholcodine). Guaifenesin loosens mucus for you to cough it up; suppressing the cough while thinning the mucus does not fit.
However, plain ibuprofen for extra pain or inflammation can be taken alongside, following ibuprofen's own directions.
If in doubt, ask the pharmacist before combining any cold, flu, cough, or pain medicines.
Warnings and precautions for Beechams All-in-One Liquid
MHRA safety alert relevant to decongestants: PRES and RCVS
Above all, the MHRA issued a safety alert in February 2024 for pseudoephedrine-containing medicines. It highlighted rare but serious cases of PRES and RCVS.
Firstly, PRES stands for posterior reversible encephalopathy syndrome. RCVS stands for reversible cerebral vasoconstriction syndrome.
Also, although the specific alert focused on pseudoephedrine, phenylephrine has similar vasoconstricting properties. Symptoms to watch for include sudden severe headache, seizures, sudden confusion, visual disturbances, or slurred speech.
However, if any of these develop while taking this liquid, stop immediately. Seek urgent medical assessment (call 999 for severe symptoms).
Phaeochromocytoma (contraindicated)
Contraindicated in phaeochromocytoma (a rare tumour that affects heart rate and blood pressure). Phenylephrine can precipitate serious cardiovascular events in these patients.
Closed-angle glaucoma (contraindicated)
This liquid is contraindicated in closed-angle glaucoma. Phenylephrine can precipitate an acute glaucoma attack in susceptible patients.
Other sympathomimetic decongestants (contraindicated)
Do not combine with any other sympathomimetic decongestant. This includes pseudoephedrine, phenylephrine, ephedrine, oxymetazoline, or xylometazoline (both oral products and nasal sprays).
Firstly, combining these overloads the sympathomimetic dose. This raises the risk of cardiovascular events, severe hypertension, and other side effects.
Cardiovascular caution
Use with caution in high blood pressure, coronary heart disease, and other cardiovascular disorders. Firstly, phenylephrine's vasoconstricting effect can worsen these conditions.
However, if you take any regular medicine for high blood pressure or heart conditions, discuss with the pharmacist before use.
Diabetes (caution)
Use with caution in diabetes. Phenylephrine can raise blood glucose levels through its sympathomimetic effects.
However, if you have diabetes and need cold or flu symptom relief, ask the pharmacist for safer options.
Hyperthyroidism (caution)
Patients with an overactive thyroid should use this liquid with caution. Sympathomimetic drugs can compound the effects of excess thyroid hormone.
MAOI antidepressants (contraindicated)
Above all, do not take this liquid if you are on an MAOI antidepressant, or within 14 days of stopping one.
Also, MAOIs include phenelzine, isocarboxazid, tranylcypromine, and moclobemide. Rasagiline and selegiline (Parkinson's medicines) carry the same concern.
However, the combination of an MAOI with phenylephrine can cause hypertensive crisis, a life-threatening rise in blood pressure.
Paracetamol overdose and HAGMA with flucloxacillin
Paracetamol overdose can cause serious liver damage. Doses just above the maximum can be harmful.
Also, high anion gap metabolic acidosis (HAGMA) due to pyroglutamic acidosis has been reported when paracetamol is used with flucloxacillin (an antibiotic), especially in severe illness, severe renal impairment, sepsis, or malnutrition.
However, if you are taking flucloxacillin or have any of these conditions, discuss with the pharmacist or GP before use.
Kidney or liver disease (caution or contraindication)
Use with caution in kidney or liver problems, including alcoholic liver disease. Firstly, paracetamol is metabolised by the liver, and severe impairment raises toxicity risk.
Also, phenylephrine is metabolised in the liver and excreted by the kidneys. Severe impairment of either affects clearance.
However, severe kidney or liver disease may be an absolute contraindication. Discuss with the pharmacist or GP.
Alcohol content and alcohol interactions
Beechams All-in-One Liquid contains alcohol (ethanol 96%). Firstly, this is a consideration for anyone avoiding alcohol for religious, medical, or personal reasons.
Also, avoid additional alcohol while taking this liquid. Alcohol raises the risk of paracetamol-related liver injury.
Furthermore, the alcohol content contributes to the age 16+ restriction. This is why the liquid version has a higher age minimum than the tablet version (12+).
Sorbitol content
This liquid contains sorbitol. Firstly, patients with rare hereditary fructose intolerance should not take this liquid.
However, occasional use is unlikely to cause problems in patients without fructose intolerance. Large doses of sorbitol can cause mild laxative effects.
Colouring agents E110 and E131
Beechams All-in-One Liquid contains sunset yellow (E110) and patent blue (E131). These colour additives may cause allergic reactions in susceptible patients.
However, if you have a history of allergy or intolerance to food colours, discuss with the pharmacist before use.
Pregnancy (not recommended)
This liquid is not recommended during pregnancy without medical advice. The safety of guaifenesin and phenylephrine during pregnancy has not been established.
However, paracetamol alone at the lowest effective dose is generally preferred for pain and fever in pregnancy. Ask your midwife, GP, or pharmacist.
Breastfeeding (not without medical advice)
This liquid should not be used in breastfeeding without medical advice. Paracetamol and phenylephrine are excreted in breast milk, though not in clinically significant amounts.
However, the safety of guaifenesin during breastfeeding has not been established. Ask your midwife, GP, or pharmacist.
Elderly patients (caution)
Use with caution in adults over 60. Firstly, older adults are more sensitive to phenylephrine's cardiovascular effects.
However, if this liquid is considered in older adults, discuss with the pharmacist. Safer options usually exist.
Duration of use (short-term only)
Do not take this liquid for more than 5 days without medical advice. Ongoing symptoms need medical assessment.
Also, a productive cough lasting more than 3 weeks needs medical assessment. Chronic cough has many possible causes.
Side effects of Beechams All-in-One Liquid
Common side effects
Common side effects come from the different actives. From the phenylephrine: insomnia if taken too late, mild restlessness, mild palpitations, or mild headache.
Also, from the guaifenesin: mild nausea or stomach upset (rare at recommended doses).
However, paracetamol at recommended doses is generally well tolerated. Rarely, allergic skin reactions can occur.
Less common but significant side effects
Some side effects need attention. Firstly, palpitations or a noticeable rise in blood pressure warrant stopping the liquid.
Also, unusual bruising or bleeding may indicate a rare paracetamol-related blood disorder. Seek medical advice.
However, difficulty passing urine (particularly in men over 50) may indicate developing acute urinary retention from phenylephrine.
Serious side effects requiring urgent help
Above all, seek urgent medical help for signs of severe cardiovascular events. These include sudden severe headache, chest pain, one-sided weakness, or difficulty speaking. Call 999.
Also, signs of severe allergic reaction (facial or throat swelling, breathing difficulty, widespread rash) need 999.
Furthermore, signs of paracetamol overdose (nausea, vomiting, abdominal pain, drowsiness, confusion) need urgent assessment even if only slightly above the maximum dose.
However, severe skin reactions with pustules, blistering, or peeling need urgent assessment.
Above all, do not take this liquid if you are on an MAOI antidepressant, or within 14 days of stopping one.
Also, MAOIs include phenelzine, isocarboxazid, tranylcypromine, and moclobemide. Rasagiline and selegiline (Parkinson's medicines) and linezolid (an antibiotic) carry the same concern.
However, the combination of an MAOI with phenylephrine can cause hypertensive crisis, a life-threatening rise in blood pressure.
Other sympathomimetic decongestants (contraindicated)
Do not combine with any other decongestant containing pseudoephedrine, phenylephrine, ephedrine, oxymetazoline, or xylometazoline.
Also, this includes both systemic products (Sudafed, Actifed, Sinutab, Nurofen Cold and Flu) and topical nasal sprays.
Tricyclic antidepressants
Use with caution with tricyclic antidepressants (amitriptyline, nortriptyline, imipramine, clomipramine).
Also, tricyclics can enhance the pressor effect of phenylephrine, raising blood pressure and cardiac arrhythmia risk.
Beta-blockers
Use with caution with beta-blockers (propranolol, atenolol, bisoprolol, metoprolol). The combination with phenylephrine can cause paradoxical high blood pressure.
Other paracetamol products
Above all, do not combine with other paracetamol-containing products. This includes plain paracetamol, Panadol, Anadin Extra, Lemsip Max, Day Nurse, Night Nurse, Benylin Day and Night, Benylin 4 Flu, Nurofen Plus, co-codamol, and co-dydramol.
Also, paracetamol overdose from combined products is a common cause of accidental liver damage. Always check ingredient labels.
Cough suppressants
Do not combine with cough suppressants (dextromethorphan, pholcodine, codeine linctus). Firstly, guaifenesin loosens mucus to make it easier to cough up.
However, suppressing the cough while thinning the mucus does not fit. It could trap loosened mucus in the airways.
Flucloxacillin (HAGMA risk)
Concurrent use with flucloxacillin has been linked to high anion gap metabolic acidosis (HAGMA) due to pyroglutamic acidosis.
However, this is particularly risky in patients with severe illness, severe renal impairment, sepsis, or malnutrition.
Warfarin (long-term paracetamol interaction)
Regular paracetamol use can enhance the anticoagulant effect of warfarin, raising INR and bleeding risk.
However, occasional use is usually acceptable. Discuss with your anticoagulation clinic if you take warfarin regularly.
Metoclopramide, domperidone, and colestyramine
Metoclopramide and domperidone speed up paracetamol absorption. Colestyramine slows it down.
However, these interactions are usually clinically minor. Ask your pharmacist if you take any of these medicines regularly.
Digoxin
Use with caution with digoxin. Phenylephrine can potentially interact and raise the risk of cardiac arrhythmias.
Alcohol
Avoid additional alcohol while taking this liquid. Firstly, the liquid already contains ethanol.
Also, alcohol raises the risk of paracetamol-related liver injury, particularly with regular use.
Frequently asked questions about Beechams All-in-One Liquid
How quickly does the liquid work?
The liquid format allows faster absorption than tablets. Paracetamol usually starts to reduce pain and fever within 15 to 30 minutes.
Also, phenylephrine relieves congestion within about 30 minutes. The guaifenesin's expectorant effect builds up over the first few doses.
Will Beechams All-in-One Liquid make me drowsy?
No. This liquid does not contain a sedating antihistamine or opioid cough suppressant. Its actives are not known to cause sedation.
However, the phenylephrine has mild central effects. Some patients notice mild alertness rather than drowsiness.
Can I drive after taking this liquid?
Yes, generally. The actives in Beechams All-in-One Liquid are not sedating.
However, if you notice any unusual side effects (dizziness, palpitations), do not drive until they resolve. Also, the small alcohol content is unlikely to affect driving at recommended doses, but consider this if you have very low alcohol tolerance.
Why age 16 for the liquid and 12 for the tablets?
The liquid contains alcohol (ethanol 96%) as part of the formulation. The tablets do not.
However, this alcohol content is the main reason for the higher age minimum for the liquid version. Otherwise, the two products have the same actives at equivalent per-dose amounts.
Can I take this with paracetamol?
No. Beechams All-in-One Liquid already contains paracetamol 500mg per 20ml dose. Adding more paracetamol from another product can lead to overdose and serious liver damage.
However, always check the ingredients of any other pain or cold medicine before combining.
Can I take this with ibuprofen?
Yes, generally. Ibuprofen and paracetamol work through different mechanisms and can be combined for extra pain relief.
However, always follow ibuprofen's own dose directions. Do not take another product that also contains ibuprofen or another NSAID.
Can I take this with other cold and flu products?
No, do not combine with other cold and flu remedies without pharmacist advice. Firstly, most contain paracetamol or a decongestant. Combining overloads the doses.
Also, do not combine with cough suppressants (dextromethorphan, pholcodine). Guaifenesin and cough suppressants work against each other.
Can I take this with cough syrup?
It depends. Do not combine with cough suppressants (that stop the cough reflex).
However, another expectorant (also containing guaifenesin) would give a double dose of guaifenesin. Best to stick to this product alone for your cough.
Can I take this if I take antidepressants?
Discuss with the pharmacist first. If you take an MAOI antidepressant, this liquid is contraindicated (can cause hypertensive crisis).
Also, tricyclic antidepressants compound the cardiovascular effects. Some SSRIs may add to CNS effects.
Can children take this liquid?
No. Beechams All-in-One Liquid is for adults and children 16+ only. This is because of the alcohol content.
However, for cold and flu symptoms in children under 16, paediatric paracetamol (Calpol) or ibuprofen for pain and fever, plus saline nasal drops for congestion, are the standard options.
Can I take this during pregnancy or breastfeeding?
Not without medical advice. This liquid is not recommended in pregnancy or breastfeeding.
However, paracetamol alone at the lowest effective dose is generally preferred for pain and fever in pregnancy. For coughs in pregnancy, medical advice is important.
How long can I take this liquid for?
Do not take this liquid for more than 5 days without medical advice. Ongoing symptoms need medical assessment.
What's the difference between guaifenesin and cough suppressants?
Guaifenesin is an expectorant. It thins and loosens mucus so you can cough it up more easily. It does not stop the cough reflex.
However, cough suppressants (dextromethorphan, pholcodine) work differently. They reduce the urge to cough. They are for dry, tickly, unproductive cough.
Also, use an expectorant like guaifenesin for chesty productive cough. Use a suppressant for dry unproductive cough.
What's the difference between this and Beechams All-in-One Tablets?
Both contain the same three actives at equivalent per-dose amounts. However, the liquid contains alcohol (which the tablets do not) and is licensed from age 16 (versus 12 for tablets).
Also, the liquid works slightly faster due to easier absorption. The tablets are convenient for on-the-go use.
What's the difference between phenylephrine and pseudoephedrine?
Both are sympathomimetic decongestants. Phenylephrine acts mainly on alpha-1 receptors; pseudoephedrine acts on both alpha and beta receptors.
Also, pseudoephedrine is generally stronger as an oral decongestant. However, pseudoephedrine is controlled under the Misuse of Drugs Regulations with pack size limits; phenylephrine is not.
Furthermore, both have similar cardiovascular contraindications and cautions.
Can I take this if I have high blood pressure or diabetes?
Use with caution. Phenylephrine can raise blood pressure and blood glucose.
However, safer options exist. Ask the pharmacist for guidance. For pain relief in these patients, plain paracetamol is safer.
Are these tablets addictive?
No. Neither paracetamol, guaifenesin, nor phenylephrine cause chemical dependence at therapeutic doses.
However, prolonged use of any analgesic can lead to medication-overuse headache. Stick to short-term use.
What if I've taken too much?
Contact NHS 111 or A&E immediately. Firstly, paracetamol overdose can cause serious liver damage even at doses just above the maximum.
Also, phenylephrine overdose can cause severe hypertension, confusion, and (rarely) seizures or cardiac arrhythmias. Very large guaifenesin doses can cause nausea and vomiting.
However, take the bottle with you so medical staff can see exactly what and how much you have taken.
Do I need a prescription from Courier Pharmacy?
No. Beechams All-in-One Liquid is a pharmacy medicine (P), not prescription-only.
However, this means it can be supplied without a prescription but only via a pharmacy with pharmacist involvement.
Disclaimer
Disclaimer: This information is for education only and isn't a substitute for personal medical advice. Always follow the packaging directions, and ask your pharmacist or GP if you're unsure whether Beechams All-in-One Liquid is suitable for you.
