Description
What Is Lemsip Max All In One Liquid Syrup and What Is It Used For
Lemsip Max All In One Liquid Syrup provides fast, comprehensive relief from multiple cold and flu symptoms in one easy-to-take medicine.
It targets the six most common symptoms:
- Aches and pains
- Headache
- Fever and chills
- Blocked nose
- Sore or tickly throat
- Chesty coughs
Formulated with four active ingredients – paracetamol, phenylephrine hydrochloride, guaifenesin, and cetylpyridinium chloride – Lemsip Max All In One helps reduce pain, loosen mucus, relieve congestion, and soothe irritation, allowing you to breathe easier and feel better, faster.
For NHS advice on managing coughs and mucus, visit the NHS website.
How Lemsip Max All In One Works
Each active ingredient in Lemsip Max All In One Liquid Syrup targets specific cold and flu symptoms:
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Paracetamol (1000mg) – A powerful pain reliever and fever reducer that helps ease headache, muscle pain, and sore throat discomfort.
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Phenylephrine Hydrochloride (12.18mg) – A decongestant that reduces swelling in nasal passages, making it easier to breathe.
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Guaifenesin (200mg) – An expectorant that loosens and thins mucus, helping clear chest congestion and soothe deep, chesty coughs.
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Cetylpyridinium Chloride (3.0mg) – An antiseptic that helps ease throat soreness and prevent infection.
Together, these ingredients provide all-in-one relief from cold and flu symptoms, helping you recover faster and rest more comfortably.
Key Benefits
- Targets multiple cold and flu symptoms in one dose
- Relieves chesty coughs, sore throats, and congestion
- Reduces fever and body aches
- Helps clear mucus for easier breathing
- Fast-acting liquid formula for quick absorption
Before You Use Lemsip Max All In One
Do not take Lemsip Max All In One Liquid Syrup if you:
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Are allergic to any of the ingredients listed
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Have a serious heart condition or high blood pressure
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Have an overactive thyroid or enlarged prostate
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Are taking or have taken monoamine oxidase inhibitors (MAOIs) within the last 14 days
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Are taking other decongestants or paracetamol-containing medicines
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Are under 16 years of age
Speak to your GP or pharmacist before use if:
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You are pregnant or breastfeeding
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You have liver or kidney problems
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You are on other prescription medicines
Always read the Patient Information Leaflet (PIL) before use.
How To Use Lemsip Max All In One Liquid Syrup
For oral use only.
Recommended Dose:
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Adults and children aged 16 years and over:
Take 10-20ml every 4 hours, up to 4 times per day.
Leave at least 4 hours between doses. -
Do not exceed 4 doses (80ml) in 24 hours.
Instructions:
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Shake bottle well before use.
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Use the supplied measuring cup for accurate dosing.
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Wipe bottle neck clean and replace cap securely after each use.
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Rinse measuring cup thoroughly.
If symptoms persist after 3 days, or worsen, consult your doctor or pharmacist.
Home Care Tips While Using Lemsip Max All In One
To support your recovery while taking this medicine:
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Get plenty of rest
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Drink lots of fluids to stay hydrated
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Avoid smoking and dusty environments
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Use steam inhalation or humidifiers to ease congestion
Seek medical advice if you experience:
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A cough lasting more than 3 weeks
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Chest pain, breathlessness, or high fever
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Unexplained weight loss or persistent fatigue
Lemsip All in One Ingredients
Active ingredients (per 20ml dose):
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Paracetamol 1000mg
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Phenylephrine Hydrochloride 12.18mg
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Guaifenesin 200mg
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Cetylpyridinium Chloride 3.0mg
Other ingredients:
Liquid Maltitol, Sorbitol (E420), Ethanol, Propylene Glycol, Glycerol (E422), Saccharin Sodium, Sodium Cyclamate, Acesulfame Potassium, Sodium Citrate, Citric Acid (E330), Xanthan Gum (E415), Levomenthol, Eucalyptus Oil, Quinoline Yellow (E104), Patent Blue V (E131), and Purified Water.
Possible Side Effects
Like all medicines, Lemsip Max All In One can cause side effects, though not everyone will experience them.
Stop using and seek immediate medical attention if you experience:
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Signs of an allergic reaction (rash, swelling, difficulty breathing)
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Skin rash or peeling
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Unexplained bruising or bleeding
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Persistent nausea, yellowing of the eyes/skin, or dark urine (possible liver problems)
Other mild effects may include:
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Headache, nervousness, or trouble sleeping
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Nausea or upset stomach
Frequently Asked Questions
Can I take Lemsip Max All In One with other paracetamol products?
No – do not take with any other medicines containing paracetamol to avoid overdose.
How long can I take Lemsip Max All In One Liquid for?
It is intended for short-term use only (up to 3 days) unless advised otherwise by a doctor.
Can I drive after taking Lemsip Max All In One Liquid?
It does not usually cause drowsiness, but if you feel lightheaded or dizzy, avoid driving.
Is Lemsip Max All In One Liquid suitable for diabetics?
This product contains maltitol and sorbitol, which may affect blood sugar levels. Speak to your GP before use.

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