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Beechams Max Strength All In One - 16 Capsules

Beechams Max Strength All In One - 16 Capsules

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  • ✔️ Relieves cold and flu symptoms including fever and congestion
  • ✔️ Contains paracetamol, phenylephrine and caffeine in one capsule
  • ✔️ Caffeine enhances paracetamol's pain-relieving effect naturally
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Convenient 16-capsule pack for multi-day cold relief

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What Is Beechams Max Strength All In One?

 

Beechams Max Strength All In One capsules are a well-known over-the-counter remedy designed to tackle multiple cold and flu symptoms at once. Each pack contains 16 capsules, making it a practical option to keep at home when a cold strikes. Cold symptoms can be genuinely miserable — the blocked nose, the pounding head, the aching limbs — and having a single product that addresses several of these at the same time is genuinely useful. You can find this and similar products in our cold and flu range.

The product contains three active ingredients: paracetamol 500 mg, phenylephrine hydrochloride 6.1 mg, and caffeine 25 mg. Paracetamol is one of the most widely used analgesics and antipyretics in the UK, recommended by the NHS for relieving mild to moderate pain and reducing fever. Phenylephrine is a nasal decongestant, and caffeine is included to help enhance the analgesic effect of paracetamol.

 

How Does Beechams Max Strength All In One Work?

 

Understanding how this product works helps you use it more confidently. The three active ingredients each play a distinct role:

  • Paracetamol (500 mg per capsule): Inhibits the production of prostaglandins in the brain, reducing the perception of pain and lowering elevated body temperature. It is the primary ingredient for headache, sore throat pain, and fever relief.
  • Phenylephrine hydrochloride (6.1 mg per capsule): Acts as a sympathomimetic decongestant. It causes vasoconstriction in the nasal mucosa, reducing swelling and helping to clear a blocked nose.
  • Caffeine (25 mg per capsule): A mild stimulant that has been shown to enhance the analgesic effect of paracetamol, meaning you may get more effective pain relief from the same paracetamol dose when caffeine is present.

Together, these ingredients work on different pathways to address the cluster of symptoms that typically accompany a cold or flu episode.

 

Who Should Use Beechams Max Strength All In One?

 

This product is suitable for adults and young people aged 12 and over who are experiencing cold or flu symptoms. It is particularly useful if you are dealing with more than one symptom at the same time and want to avoid taking multiple separate medicines. That said, it is not right for everyone.

It may be suitable for you if you:

  • Are aged 12 or over
  • Have a blocked or stuffy nose alongside headache or fever
  • Want a single capsule to address multiple cold symptoms
  • Are not currently taking other paracetamol-containing medicines

 

How Does Beechams Max Strength All In One Compare to Other Cold Remedies?

 

Feature Beechams Max Strength All In One Lemsip Max Cold & Flu Capsules
Active ingredients Paracetamol, Phenylephrine, Caffeine Paracetamol, Phenylephrine
Paracetamol per dose (2 caps) 1,000 mg 1,000 mg
Caffeine included Yes (50 mg per dose) No
Form Capsule (oral) Capsule (oral)

 

Is Beechams Max Strength All In One Safe to Store at Home?

 

Yes, provided you follow standard storage guidance. Keep the capsules below 25°C, away from direct sunlight and moisture. Always store medicines out of the reach and sight of children. Check the expiry date on the pack before use — do not take capsules past their expiry date even if they look unchanged. If you are managing several health conditions and keeping multiple medicines at home, our pain relief collection may help you find suitable alternatives or complementary products.

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 Max Strength All In One 16 Capsules specifications
Treatment category Cold and flu symptom relief
Mechanism of action Analgesic/antipyretic (paracetamol), nasal decongestant (phenylephrine), analgesic enhancer (caffeine)
Effective for Headache, fever, nasal congestion, sore throat, aches and pains associated with cold and flu
Suitable for Adults and children aged 12 and over
Active ingredients Paracetamol 500 mg, Phenylephrine hydrochloride 6.1 mg, Caffeine 25 mg (per capsule)
Pack size 16 capsules
UK classification General Sale List (GSL)
Drug class Analgesic, antipyretic, sympathomimetic decongestant
Preparation Hard capsule
Route of administration Oral

Specifications of Beechams Max Strength All In One 16 Capsules

 

What Is Beechams Max Strength All In One and What Is It Used For?

 

Beechams Max Strength All In One 16 capsules is an over-the-counter medicine used to relieve the symptoms of colds and flu in adults and children aged 12 and over. It contains a combination of paracetamol, phenylephrine hydrochloride, and caffeine. The NHS advises that most colds clear up on their own within 7 to 10 days, but symptomatic relief can make that time considerably more comfortable. This product targets headache, fever, nasal congestion, sore throat, and general aches and pains — all in a single capsule formulation.

 

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

 

Before taking this medicine, read the following carefully. There are situations where this product is not appropriate, and taking it incorrectly can cause harm.

Do not take if you:

  • Are under 12 years of age
  • Are allergic to paracetamol, phenylephrine, caffeine, or any other ingredient
  • Have severe liver disease or severe kidney disease
  • Are taking monoamine oxidase inhibitors (MAOIs) or have taken them within the last 14 days
  • Are already taking other medicines containing paracetamol
  • Have a condition called phenylketonuria (PKU)

Speak to your pharmacist or doctor before taking if you:

  • Have high blood pressure, heart disease, or an overactive thyroid
  • Have diabetes
  • Have glaucoma
  • Are pregnant or breastfeeding
  • Regularly drink alcohol
  • Have liver or kidney problems (even mild ones)

Known drug interactions — do not take alongside:

  • Other paracetamol-containing products (risk of overdose)
  • MAOIs or tricyclic antidepressants
  • Other sympathomimetic decongestants (e.g. pseudoephedrine)
  • Warfarin or other anticoagulants (regular paracetamol use may affect INR)
  • Metoclopramide or domperidone (may affect paracetamol absorption)

 

How Should You Use Beechams Max Strength All In One?

 

Always take this medicine exactly as described on the label or as directed by your pharmacist. Do not exceed the stated dose.

  1. Swallow 2 capsules whole with a full glass of water.
  2. Do not chew or crush the capsules.
  3. Wait at least 4 hours before taking your next dose.
  4. Do not take more than 4 doses (8 capsules) in any 24-hour period.
  5. Do not take for more than 5 consecutive days without medical advice.
Age Group Dose Frequency Maximum in 24 hours
Adults and children aged 12+ 2 capsules Every 4–6 hours 8 capsules (4 doses)
Children under 12 Not suitable — do not use

If you are looking for suitable cold and flu remedies for younger children, our baby and toddler range includes age-appropriate options. Always check with a pharmacist before giving any medicine to a child.

 

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

 

Like all medicines, this product can cause side effects, although not everyone experiences them. If you notice anything unusual, stop taking the medicine and speak to your pharmacist or GP.

Common side effects:

  • Nausea or stomach upset
  • Difficulty sleeping (due to caffeine content)
  • Restlessness or mild anxiety (caffeine-related)
  • Increased heart rate (palpitations)

Less common side effects:

  • Skin rash or itching
  • Raised blood pressure
  • Headache (paradoxically, with overuse)
  • Allergic reactions including urticaria

Serious allergic reactions (anaphylaxis) are rare but require immediate medical attention. Signs include swelling of the face, lips, or throat, difficulty breathing, or a sudden drop in blood pressure. If you experience these, call 999 immediately. You can also find additional support products in our ear, nose and throat range for managing related symptoms.

 

How Should You Store Beechams Max Strength All In One?

 

  • Store below 25°C in a dry place, away from direct heat and sunlight
  • Keep the capsules in their original packaging until use
  • Keep out of the sight and reach of children at all times
  • Do not use after the expiry date printed on the pack
  • 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 Beechams Max Strength All In One online in the UK?

You can buy Beechams Max Strength All In One 16 capsules directly from Cured Pharmacy for £5.19 with fast UK delivery. It is a General Sale List medicine, so no prescription is needed. It is also available from supermarkets and high street pharmacies across the UK.

How does Beechams Max Strength All In One work in the body?

The product works through three active ingredients acting on different pathways. Paracetamol reduces fever and relieves pain by inhibiting prostaglandin synthesis in the brain. Phenylephrine constricts blood vessels in the nasal lining to reduce congestion, while caffeine enhances the analgesic effect of paracetamol.

How do I take Beechams Max Strength All In One step by step?

Swallow 2 capsules whole with a full glass of water — do not chew or crush them. Wait at least 4 hours before taking your next dose, and never exceed 8 capsules (4 doses) in any 24-hour period. If symptoms persist beyond 5 days, speak to your pharmacist or GP.

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

The recommended dose for adults and children aged 12 and over is 2 capsules every 4 to 6 hours as needed. This provides 1,000 mg of paracetamol per dose, which is the standard adult analgesic dose. Do not take more than 4 doses in 24 hours.

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

Take it when your symptoms are at their worst — many people find morning and evening doses most helpful. Because the product contains caffeine (25 mg per capsule, 50 mg per dose), you may want to avoid taking it close to bedtime if you are sensitive to caffeine. Space doses evenly throughout the day for consistent symptom relief.

What are the side effects of Beechams Max Strength All In One?

Common side effects include nausea, difficulty sleeping, restlessness, and an increased heart rate — largely related to the caffeine and phenylephrine content. Less commonly, you may experience a skin rash, raised blood pressure, or a paradoxical headache with overuse. Stop taking and seek advice from your pharmacist if side effects concern you.

Who should not take Beechams Max Strength All In One?

It is not suitable for children under 12, people taking MAOIs, those with severe liver or kidney disease, or anyone already taking other paracetamol-containing medicines. People with high blood pressure, heart disease, or an overactive thyroid should speak to a doctor before use. Pregnant or breastfeeding women should also seek medical advice first.

Can I take Beechams Max Strength All In One with other medicines?

You must not take it alongside other paracetamol-containing products, as this significantly increases the risk of paracetamol overdose and liver damage. It also interacts with MAOIs, other decongestants, and anticoagulants such as warfarin. Always check with your pharmacist before combining it with any other medicine.

How long can I take Beechams Max Strength All In One for?

This product is intended for short-term use only — do not take it for more than 5 consecutive days without speaking to a doctor or pharmacist. Using decongestants for longer than recommended can lead to rebound congestion. If your symptoms have not improved after 5 days, seek medical advice.

What happens if I miss a dose of Beechams Max Strength All In One?

If you miss a dose, simply take it when you remember — provided at least 4 hours have passed since your last dose. Never double up to make up for a missed dose. This product is taken as needed for symptom relief, so strict timing is less critical than with prescription medicines.

Can I take Beechams Max Strength All In One if I am pregnant?

You should speak to your doctor or midwife before taking this product during pregnancy. While paracetamol is generally considered the analgesic of choice during pregnancy at the lowest effective dose for the shortest time, the phenylephrine and caffeine components make this combination product unsuitable without medical guidance. The NHS advises caution with all medicines during pregnancy.

Is Beechams Max Strength All In One suitable for children?

No — this product is not suitable for children under 12 years of age. If you need cold and flu relief for younger children, speak to your pharmacist about age-appropriate alternatives. You can also browse our baby and toddler range for suitable options.

What are the alternatives to Beechams Max Strength All In One?

Common alternatives include Lemsip Max Cold & Flu Capsules (paracetamol and phenylephrine without caffeine), Day Nurse Capsules, and Night Nurse for evening use. If you primarily need congestion relief, a standalone decongestant nasal spray may be more appropriate. Browse our full cold and flu range to compare options.

Does Beechams Max Strength All In One contain caffeine?

Yes — each capsule contains 25 mg of caffeine, so a standard 2-capsule dose provides 50 mg of caffeine. That is roughly equivalent to half a cup of coffee. If you are sensitive to caffeine or are avoiding it for any reason, this product may not be the best choice for you, and you should discuss alternatives with your pharmacist.

What are the latest findings on phenylephrine as a decongestant?

In 2023, the US FDA advisory committee raised questions about the effectiveness of oral phenylephrine as a nasal decongestant, suggesting it may not be significantly more effective than placebo when taken by mouth. However, the MHRA in the UK has not withdrawn products containing oral phenylephrine, and they remain available OTC. If you have concerns, speak to your pharmacist about nasal spray decongestants, which act locally and have a stronger evidence base.

How Should You Use Beechams Max Strength All In One?

Always read the label before taking this medicine. Swallow the capsules whole — do not open, chew, or crush them, as this can affect how the ingredients are absorbed. Take with a full glass of water to help the capsules go down comfortably.

Follow these steps each time you take a dose:

What Is the Correct Dose of Beechams Max Strength All In One?

The dose depends on your age. This product is not suitable for children under 12 years of age under any circumstances. For everyone else, the dose is consistent regardless of body weight.

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

Take this medicine when your cold or flu symptoms are most troublesome. Many people find it helpful to take a dose in the morning to manage daytime symptoms and again in the afternoon. Because each capsule contains 25 mg of caffeine, taking a dose in the evening — particularly close to bedtime — may make it harder to fall asleep if you are sensitive to caffeine.

If you need relief at night, consider a caffeine-free alternative and speak to your pharmacist about suitable options for overnight symptom management.

How Long Can You Use Beechams Max Strength All In One For?

This product is designed for short-term use only. Do not take it for more than 5 consecutive days without seeking advice from a doctor or pharmacist. Most cold symptoms resolve within 7 to 10 days according to NHS guidance, but if your symptoms worsen, persist beyond 5 days, or you develop a high fever that does not respond to treatment, you should seek medical attention promptly.

Prolonged use of decongestants can lead to rebound nasal congestion, where symptoms return worse than before once you stop the medicine. Using this product only as directed helps you avoid that outcome.

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

How Should You Use Beechams Max Strength All In One?

Always read the label before taking this medicine. Swallow the capsules whole — do not open, chew, or crush them, as this can affect how the ingredients are absorbed. Take with a full glass of water to help the capsules go down comfortably.

Follow these steps each time you take a dose:

What Is the Correct Dose of Beechams Max Strength All In One?

The dose depends on your age. This product is not suitable for children under 12 years of age under any circumstances. For everyone else, the dose is consistent regardless of body weight.

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

Take this medicine when your cold or flu symptoms are most troublesome. Many people find it helpful to take a dose in the morning to manage daytime symptoms and again in the afternoon. Because each capsule contains 25 mg of caffeine, taking a dose in the evening — particularly close to bedtime — may make it harder to fall asleep if you are sensitive to caffeine.

If you need relief at night, consider a caffeine-free alternative and speak to your pharmacist about suitable options for overnight symptom management.

How Long Can You Use Beechams Max Strength All In One For?

This product is designed for short-term use only. Do not take it for more than 5 consecutive days without seeking advice from a doctor or pharmacist. Most cold symptoms resolve within 7 to 10 days according to NHS guidance, but if your symptoms worsen, persist beyond 5 days, or you develop a high fever that does not respond to treatment, you should seek medical attention promptly.

Prolonged use of decongestants can lead to rebound nasal congestion, where symptoms return worse than before once you stop the medicine. Using this product only as directed helps you avoid that outcome.

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

What Are the Most Common Side Effects of Beechams Max Strength All In One?

Most people tolerate this product well when taken as directed, but side effects can occur. The caffeine and phenylephrine content are responsible for most of the commonly reported effects. If any of the following bother you or do not settle after a day or two, stop taking the product and speak to your pharmacist.

  • Nausea or mild stomach upset
  • Difficulty sleeping or insomnia (caffeine-related)
  • Restlessness or mild anxiety (caffeine-related)
  • Increased heart rate or palpitations (phenylephrine-related)
  • Dry mouth

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

Less commonly, some people experience side effects that are more noticeable or require attention. These are not typical but are worth being aware of before you start taking the product.

  • Skin rash, itching, or urticaria (hives)
  • Raised blood pressure
  • Headache with prolonged or excessive use
  • Dizziness or light-headedness
  • Tremor or shakiness

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

Serious side effects are rare but require immediate medical attention. The most significant risk associated with this product is paracetamol overdose, which can cause severe liver damage — even when symptoms of overdose are not immediately obvious. This is why it is critical never to take this product alongside any other paracetamol-containing medicine.

Signs of a serious allergic reaction (anaphylaxis) include sudden swelling of the face, lips, tongue, or throat, difficulty breathing, a rapid drop in blood pressure, or loss of consciousness. If you experience any of these, call 999 immediately. Do not wait to see if symptoms improve on their own.

What Should You Do If You Experience Side Effects of Beechams Max Strength All In One?

For mild side effects such as nausea or difficulty sleeping, try taking the capsules with food and avoiding doses close to bedtime. If side effects are persistent or distressing, stop taking the product and speak to your pharmacist or GP. You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

If you suspect you or someone else has taken too much paracetamol — even if they feel well — go to your nearest A&E immediately or call 999. Paracetamol overdose is a medical emergency.

Can Beechams Max Strength All In One Interact With Other Medicines?

Yes — this product has several clinically important interactions. The most serious is with other paracetamol-containing medicines, where combined use can quickly exceed the safe daily paracetamol limit and cause liver damage. Phenylephrine interacts with MAOIs and other sympathomimetic drugs, potentially causing a dangerous rise in blood pressure. Regular use of paracetamol alongside warfarin may also affect anticoagulant control, so INR monitoring may be needed if you are on warfarin.

Always tell your pharmacist about every medicine you are taking — including herbal remedies and supplements — before starting this product.

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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