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Beechams Flu Plus – 16 Caplets

Beechams Flu Plus – 16 Caplets

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  • ✔️ Relieves fever, headache, congestion, and body aches simultaneously
  • ✔️ Contains paracetamol, phenylephrine, and caffeine for multi-symptom relief
  • ✔️ Suitable for adults and young people aged 12 and over
  • ✔️ Caffeine enhances paracetamol's pain-relieving effect naturally
  • ✔️ Convenient 16-caplet pack for cold and flu symptom management

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What Are Beechams Flu Plus Caplets?

 

When a cold or flu hits, it rarely arrives with just one symptom. You get the headache, the blocked nose, the aching limbs — all at once. Beechams Flu Plus caplets are a well-established over-the-counter remedy designed to tackle that combination of symptoms in a single, convenient tablet. Each pack contains 16 caplets, making it a practical option to keep at home or in your bag during the colder months. You can browse the full range of cold and flu treatments at Cured Pharmacy's cold and flu collection.

Cold and flu are among the most common reasons people visit a pharmacist in the UK. The NHS estimates that adults get an average of two to four colds per year, with symptoms typically lasting up to ten days. Having a reliable, multi-symptom remedy to hand can make a real difference to how you feel day to day.

 

How Do Beechams Flu Plus Caplets Work?

 

Each caplet contains three active ingredients, each playing a distinct role in relieving your symptoms:

  • Paracetamol 500mg — reduces fever and relieves pain, including headaches and body aches associated with flu.
  • Phenylephrine hydrochloride 6.1mg — a nasal decongestant that works by narrowing the blood vessels in the nasal passages, reducing swelling and congestion.
  • Caffeine 25mg — helps to enhance the analgesic effect of paracetamol, meaning you may get more effective pain relief from the same dose.

Together, these three ingredients address the most disruptive cold and flu symptoms simultaneously, rather than requiring you to take separate products for each one.

 

Who Is Beechams Flu Plus Suitable For?

 

These caplets are suitable for most adults and older teenagers experiencing typical cold or flu symptoms. They are particularly useful if you are dealing with more than one symptom at the same time. That said, they are not appropriate for everyone.

Beechams Flu Plus caplets are generally suitable for:

  • Adults and young people aged 12 and over
  • Those experiencing fever, headache, nasal congestion, and body aches simultaneously
  • People who prefer a single multi-symptom product over taking several separate medicines
  • Those who do not have contraindications to paracetamol, phenylephrine, or caffeine

They are not suitable for children under 12, pregnant or breastfeeding women (without medical advice), or those already taking other paracetamol-containing products.

 

How Do Beechams Flu Plus Caplets Compare to Similar Products?

 

Feature Beechams Flu Plus Caplets Lemsip Max Capsules
Active ingredients Paracetamol, Phenylephrine, Caffeine Paracetamol, Phenylephrine
Form Caplet (swallowable tablet) Capsule
Paracetamol per dose 500mg per caplet (1,000mg per dose) 500mg per capsule (1,000mg per dose)
Suitable age 12 years and over 16 years and over

 

How Should You Store Beechams Flu Plus Caplets?

 

Store your Beechams Flu Plus caplets below 25°C in a dry place, away from direct sunlight. Always keep medicines out of the sight and reach of children. Do not use the product after the expiry date printed on the packaging. If you are looking for additional support during illness, you might also find it helpful to explore vitamins and supplements that can support your immune system during recovery.

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 Flu Plus 16 Caplets specifications
Treatment category Cold and flu relief
Mechanism of action Analgesic/antipyretic (paracetamol), nasal decongestant (phenylephrine), analgesic enhancer (caffeine)
Effective for Fever, headache, nasal congestion, body aches, sore throat pain
Suitable for Adults and children aged 12 and over
Active ingredients Paracetamol 500mg, Phenylephrine HCl 6.1mg, Caffeine 25mg
Pack size 16 caplets
UK classification General Sale List (GSL)
Drug class Analgesic, decongestant, stimulant combination
Preparation Caplet (film-coated tablet)
Route of administration Oral

Specifications of Beechams Flu Plus 16 Caplets

 

What Is Beechams Flu Plus and What Is It Used For?

 

Beechams Flu Plus 16 Caplets 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 three active ingredients — paracetamol, phenylephrine hydrochloride, and caffeine — working together to address multiple symptoms at once. It is used specifically for the relief of fever, headache, nasal congestion, sore throat, and muscular aches and pains associated with cold and flu.

It is not a cure for the cold or flu virus itself. Rather, it helps manage the symptoms so you can feel more comfortable while your immune system does its work. The NHS advises that most colds clear up on their own within 7 to 10 days, and symptom relief medicines like these can help you get through that period more comfortably.

 

What Do You Need to Know Before Using Beechams Flu Plus?

 

Before taking these caplets, it is important to check whether they are appropriate for you. Do not take Beechams Flu Plus if any of the following apply:

  • You are under 12 years of age
  • You are allergic to paracetamol, phenylephrine, caffeine, or any other ingredient in the product
  • You are taking or have taken monoamine oxidase inhibitors (MAOIs) within the last 14 days
  • You have severe liver or kidney disease
  • You have a heart condition, high blood pressure, or an overactive thyroid
  • You are already taking other medicines containing paracetamol
  • You are pregnant or breastfeeding (seek medical advice first)
  • You have difficulty urinating due to an enlarged prostate

You should also be aware of the following potential drug interactions:

  • Other paracetamol-containing products — risk of accidental overdose
  • MAOIs and tricyclic antidepressants — may interact with phenylephrine
  • Beta-blockers and other antihypertensives — phenylephrine may reduce their effectiveness
  • Warfarin — regular use of paracetamol may enhance anticoagulant effects
  • Other sympathomimetic decongestants — additive effects possible

If you are unsure whether this product is right for you, speak to your pharmacist before taking it. You can also explore our pain relief collection for alternative options if this product is not suitable.

 

How Should You Use Beechams Flu Plus?

 

Always read the patient information leaflet supplied with the product before use. Follow these steps when taking Beechams Flu Plus caplets:

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

 

What Are the Possible Side Effects of Beechams Flu Plus?

 

Like all medicines, Beechams Flu Plus caplets can cause side effects, although not everyone experiences them. Knowing what to look out for helps you use the product safely.

Common side effects may include:

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

Less common side effects may include:

  • Raised blood pressure
  • Dizziness or headache
  • Skin rash or itching
  • Urinary retention (particularly in men with prostate issues)

Serious allergic reactions (anaphylaxis) are rare but require immediate emergency medical attention. Signs include swelling of the face, lips, or throat, difficulty breathing, or a severe skin reaction. Stop taking the product immediately and call 999 if this occurs.

 

How Should You Store Beechams Flu Plus?

 

Correct storage helps maintain the effectiveness and safety of the product. Follow these guidelines:

  • Store below 25°C in a dry place
  • Keep away from direct sunlight and moisture
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the pack
  • Do not store in a bathroom cabinet where humidity may be high
  • Dispose of unused or expired medicines safely — return to your local pharmacy

If you are managing multiple health concerns during the winter months, it may also be worth looking at our ear, nose and throat collection for additional products that support respiratory health.

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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 Flu Plus caplets online in the UK?

You can buy Beechams Flu Plus 16 Caplets online from Cured Pharmacy for just £2.39, with no prescription required. They are classified as a General Sale List (GSL) medicine, meaning they are widely available without a prescription. Browse our full cold and flu collection for more options to suit your symptoms.

How do Beechams Flu Plus caplets work in the body?

Each caplet contains three active ingredients that work together: paracetamol reduces fever and relieves pain, phenylephrine hydrochloride narrows blood vessels in the nasal passages to relieve congestion, and caffeine enhances the pain-relieving effect of paracetamol. This combination means you are addressing several symptoms with a single dose rather than taking multiple separate products. The effects typically begin within 30 to 60 minutes of taking the caplets.

How do I take Beechams Flu Plus caplets step by step?

Swallow 2 caplets 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 caplets (4 doses) in any 24-hour period. If your symptoms have not improved after 5 days, stop taking the product and speak to your pharmacist or GP.

What is the maximum dose of Beechams Flu Plus caplets in 24 hours?

The maximum dose is 8 caplets in any 24-hour period, taken as 2 caplets every 4 to 6 hours. Exceeding this limit is dangerous because paracetamol overdose can cause serious and potentially fatal liver damage, even if you feel well initially. If you think you or someone else has taken too much, go to your nearest A&E immediately or call 999.

What are the side effects of Beechams Flu Plus caplets?

Common side effects include nausea, difficulty sleeping, restlessness, and an increased heart rate — largely due to the caffeine and phenylephrine content. Less commonly, you may experience raised blood pressure, dizziness, or a skin rash. Serious allergic reactions are rare but require immediate medical attention — stop taking the product and call 999 if you develop swelling of the face or throat or difficulty breathing.

Who should not take Beechams Flu Plus caplets?

This product is not suitable for children under 12, people with severe liver or kidney disease, those with uncontrolled high blood pressure or heart conditions, or anyone currently taking MAOIs. It is also not appropriate for people already taking other paracetamol-containing medicines, as this significantly increases the risk of overdose. Pregnant or breastfeeding women should seek medical advice before use.

Can I take Beechams Flu Plus caplets with other medicines?

You should not take these caplets alongside any other product containing paracetamol, including many other cold remedies, as this can lead to accidental overdose. Phenylephrine can interact with MAOIs, beta-blockers, and other decongestants, so always check with your pharmacist before combining medicines. If you are on regular prescribed medication, it is especially important to seek advice before starting any new over-the-counter treatment.

Is it safe to take Beechams Flu Plus caplets during pregnancy?

Beechams Flu Plus caplets are not recommended during pregnancy without medical advice, as phenylephrine may affect blood flow and is generally avoided, particularly in the first and third trimesters. Paracetamol alone is considered the preferred pain and fever reliever during pregnancy when used at the lowest effective dose for the shortest time, but the combination product should only be used under guidance from a doctor or midwife. Always speak to a healthcare professional before taking any medicine during pregnancy.

How long can I take Beechams Flu Plus caplets for?

Do not take Beechams Flu Plus caplets for more than 5 consecutive days without speaking to a doctor or pharmacist. Cold and flu symptoms that persist beyond this period may indicate a secondary infection or another underlying condition that requires medical assessment. Prolonged use of decongestants can also lead to rebound congestion in some individuals.

What happens if I miss a dose of Beechams Flu Plus caplets?

If you miss a dose, simply take it as soon as you remember — provided at least 4 hours have passed since your last dose. Do not double up to make up for a missed dose, as this could take you over the safe daily limit for paracetamol. These caplets are taken as needed for symptom relief, so there is no strict schedule to follow.

Can I drink alcohol while taking Beechams Flu Plus caplets?

You should avoid alcohol while taking Beechams Flu Plus caplets. Alcohol combined with paracetamol increases the risk of liver damage, and alcohol can also worsen dehydration during illness, which slows recovery. The NHS advises that people who drink regularly or heavily should speak to a pharmacist before taking paracetamol-containing products.

Are Beechams Flu Plus caplets suitable for children?

Beechams Flu Plus caplets are only suitable for young people aged 12 and over — they must not be given to children under 12. For younger children with cold and flu symptoms, the NHS recommends age-appropriate paracetamol or ibuprofen liquid formulations. You can find suitable products in our baby and toddler collection for younger children.

What are the alternatives to Beechams Flu Plus caplets?

Common alternatives include Lemsip Max Capsules (paracetamol and phenylephrine), Day Nurse Capsules (paracetamol, pholcodine, and phenylephrine), and plain paracetamol or ibuprofen for those who only need pain and fever relief without a decongestant. The right choice depends on your specific symptoms and any contraindications you may have. Your pharmacist can help you choose the most appropriate product for your situation.

Do Beechams Flu Plus caplets contain caffeine?

Yes, each caplet contains 25mg of caffeine, which is roughly equivalent to a quarter of a cup of coffee. The caffeine is included because it has been shown to enhance the analgesic effect of paracetamol, helping to improve pain relief. However, if you are sensitive to caffeine or trying to limit your intake, you should factor this in — particularly if you are taking multiple doses throughout the day.

What is the latest guidance on treating cold and flu symptoms at home?

The NHS recommends rest, staying hydrated, and using over-the-counter symptom relief medicines such as paracetamol or combination cold and flu products to manage symptoms at home. Antibiotics are not effective against cold and flu viruses and should not be requested for these illnesses. If you develop a high fever that does not respond to treatment, difficulty breathing, or symptoms that worsen significantly after 7 days, you should seek medical advice promptly.

How Should You Use Beechams Flu Plus Caplets?

Beechams Flu Plus caplets are taken orally and should always be swallowed whole with a full glass of water. Never chew, crush, or break the caplets, as this can affect how the active ingredients are absorbed and may increase the risk of side effects.

Follow these steps each time you take a dose:

What Is the Correct Dose of Beechams Flu Plus Caplets?

The correct dose depends on your age. This product is not suitable for children under 12 years of age under any circumstances. Always follow the dosage instructions on the packaging and never exceed the stated maximum daily dose.

When Is the Best Time to Use Beechams Flu Plus Caplets?

Take Beechams Flu Plus caplets when your symptoms are at their most disruptive — many people find this is in the morning when congestion and aches are often at their worst. Because the product contains caffeine, it is worth being mindful of taking a dose close to bedtime, as this may make it harder to fall asleep.

If you need symptom relief overnight, consider whether a caffeine-free alternative might be more appropriate for your evening dose. Speak to your pharmacist for personalised advice on timing your doses around your daily routine.

How Long Can You Use Beechams Flu Plus Caplets For?

You should not use Beechams Flu Plus caplets for more than 5 consecutive days without seeking medical advice. Cold and flu symptoms that persist beyond this point may indicate a secondary bacterial infection, such as sinusitis or a chest infection, which may require a different treatment approach.

If your symptoms worsen at any point, or if you develop a high fever that does not respond to treatment, stop taking the product and contact your GP or call NHS 111 for guidance.

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 Flu Plus Caplets?

Most people tolerate Beechams Flu Plus caplets well when taken as directed, but some individuals do experience side effects. The most common ones are largely related to the caffeine and phenylephrine content rather than the paracetamol.

  • Nausea or mild stomach discomfort
  • Difficulty sleeping or restlessness
  • Increased heart rate (palpitations)
  • Mild anxiety or jitteriness
  • Headache (particularly if caffeine-sensitive)

These effects are usually mild and resolve on their own once you stop taking the product. Taking the caplets with food may help reduce stomach discomfort.

What Are the Less Common Side Effects of Beechams Flu Plus Caplets?

Less commonly, some people may experience the following side effects. If any of these occur and are troublesome, stop taking the product and speak to your pharmacist.

  • Raised blood pressure
  • Dizziness or light-headedness
  • Dry mouth
  • Skin rash or itching
  • Difficulty urinating (particularly in men with prostate enlargement)
  • Sweating

What Are the Serious Side Effects of Beechams Flu Plus Caplets?

Serious side effects are rare but require immediate medical attention. Stop taking the product straight away and call 999 or go to your nearest A&E if you experience any of the following:

  • Signs of a severe allergic reaction (anaphylaxis): swelling of the face, lips, tongue, or throat; difficulty breathing; severe skin rash or hives
  • Signs of liver damage from paracetamol overdose: yellowing of the skin or eyes (jaundice), severe abdominal pain, dark urine
  • Severe chest pain or a very rapid or irregular heartbeat
  • Sudden severe headache or vision changes (which may indicate a significant rise in blood pressure)

What Should You Do If You Experience Side Effects?

If you experience mild side effects, try taking the caplets with food and ensure you are drinking plenty of fluids. Avoid caffeine from other sources — such as coffee, tea, or energy drinks — while taking this product, as the combined caffeine intake may worsen symptoms like restlessness or palpitations.

If side effects are persistent, worsening, or causing you concern, stop taking the product and speak to your pharmacist or GP. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Beechams Flu Plus Caplets Interact With Other Medicines?

Yes. Drug interactions are an important consideration with this product. The most significant risk is taking Beechams Flu Plus alongside other paracetamol-containing medicines — this can quickly lead to a dangerous overdose even if you feel fine at the time. Always check the ingredients of any other cold, flu, or pain relief product you are using.

Phenylephrine can interact with MAOIs, tricyclic antidepressants, beta-blockers, and other decongestants. Caffeine may interact with certain antibiotics such as ciprofloxacin, which can increase caffeine levels in the body. If you are taking any prescribed medicines, always check with your pharmacist before starting Beechams Flu Plus caplets.

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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