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Strepsils Original Lozenges

Strepsils Original Lozenges

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  • ✔️ Dual antiseptic action targets bacteria directly in the throat
  • ✔️ Soothes sore throat discomfort as the lozenge dissolves
  • ✔️ Suitable for adults and children aged six and over
  • ✔️ No prescription required — available over the counter
  • ✔️ Compact lozenge format for discreet, on-the-go use

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What Are Strepsils Original Lozenges for Sore Throat?

 

A sore throat can stop you in your tracks — whether it's the scratchy discomfort that arrives with a cold or the raw, inflamed feeling that makes swallowing feel like a chore. Strepsils Original Lozenges are one of the UK's most trusted over-the-counter remedies for exactly this. Each lozenge contains two antiseptic active ingredients that work directly in the mouth and throat to tackle the bacteria that can cause or worsen throat infections. Available from Cured Pharmacy for just £3.95, they're a straightforward, affordable option when you need relief fast. If you're also dealing with other cold and flu symptoms alongside your sore throat, you might find our cold and flu range useful too.

Sore throats are extremely common in the UK. The NHS notes that most are caused by viral infections, though bacterial causes do occur and antiseptic lozenges can help reduce bacterial load in the throat. Strepsils Original Lozenges are classified as a General Sale List (GSL) medicine, meaning you can buy them without a prescription.

 

How Do Strepsils Original Lozenges Work?

 

The mechanism behind these lozenges is straightforward but clinically meaningful. Each lozenge contains two antiseptic agents: amylmetacresol (0.6 mg) and 2,4-dichlorobenzyl alcohol (1.2 mg). As the lozenge dissolves slowly in your mouth, these ingredients are released and coat the mucous membranes of the mouth and throat.

  • Amylmetacresol disrupts the cell membranes of bacteria, reducing their ability to survive and multiply.
  • 2,4-Dichlorobenzyl alcohol acts as a complementary antiseptic, broadening the antibacterial effect.
  • Together, they create a localised antiseptic environment in the throat without being absorbed systemically into the bloodstream.
  • The slow dissolution also stimulates saliva production, which naturally helps soothe and lubricate an irritated throat.

It's worth noting that these lozenges do not treat viral infections — they target bacteria. If your sore throat is purely viral in origin, the antiseptic action won't eliminate the virus, but the soothing effect of the lozenge itself can still provide meaningful comfort.

 

Who Should Use Strepsils Original Lozenges?

 

These lozenges are suitable for a wide range of people dealing with mild to moderate sore throat symptoms. They're particularly useful when you want targeted, localised relief without reaching for systemic pain relief medicines. That said, they're not appropriate for everyone.

Strepsils Original Lozenges are suitable for:

  • Adults and children aged 6 years and over
  • People with a mild to moderate sore throat associated with a cold or minor throat infection
  • Those who prefer a non-drowsy, non-systemic treatment option
  • Individuals looking for an antiseptic approach rather than purely analgesic relief

They are not suitable for children under 6 years of age, or for anyone with a known allergy to amylmetacresol, 2,4-dichlorobenzyl alcohol, or any other ingredient in the formulation. If you have phenylketonuria, check the full ingredient list carefully. Always read the label before use.

 

How Do Strepsils Original Lozenges Compare to Strepsils Honey and Lemon?

 

Feature Strepsils Original Lozenges Strepsils Honey and Lemon
Active ingredients Amylmetacresol 0.6 mg, 2,4-Dichlorobenzyl alcohol 1.2 mg Amylmetacresol 0.6 mg, 2,4-Dichlorobenzyl alcohol 1.2 mg
Flavour Original (mild antiseptic) Honey and lemon
Suitable age 6 years and over 6 years and over
Antibacterial action Yes Yes

 

Are Strepsils Original Lozenges Safe to Store and Use Long-Term?

 

Strepsils Original Lozenges should be stored below 25°C in a dry place, away from direct sunlight and out of reach of children. Do not use them after the expiry date printed on the packaging. Each pack contains a set number of lozenges — once opened, keep them in the original packaging to protect them from moisture.

These lozenges are intended for short-term use only. If your sore throat persists for more than three days, or if you develop a high temperature, difficulty swallowing, or a rash, stop using the lozenges and consult your GP or pharmacist. For broader throat and ear health support, explore our ear, nose and throat range at Cured Pharmacy.

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.

Strepsils Original Lozenges specifications
Treatment category Sore throat / Antiseptic throat relief
Mechanism of action Dual antiseptic action — disrupts bacterial cell membranes in the mouth and throat
Effective for Mild to moderate sore throat, throat infections
Suitable for Adults and children aged 6 years and over
Active ingredient Amylmetacresol 0.6 mg, 2,4-Dichlorobenzyl alcohol 1.2 mg
Pack sizes 24 lozenges
UK classification General Sale List (GSL)
Drug class Antiseptic
Preparation Lozenge
Route of administration Oral (buccal dissolution)

Specifications of Strepsils Original Lozenges

 

What Are Strepsils Original Lozenges and What Are They Used For?

 

Strepsils Original Lozenges are an antiseptic throat lozenge used to relieve the symptoms of a sore throat. They contain two active antiseptic ingredients — amylmetacresol and 2,4-dichlorobenzyl alcohol — which work locally in the mouth and throat to reduce bacterial activity. They are used for the symptomatic relief of sore throats in adults and children aged 6 years and over. They do not treat viral infections, but they can help reduce bacterial load and provide soothing comfort during a throat infection or cold.

 

What Do You Need to Know Before Using Strepsils Original Lozenges?

 

Before using these lozenges, it's important to check whether they are appropriate for you. Do not use Strepsils Original Lozenges if any of the following apply:

  • You are allergic to amylmetacresol, 2,4-dichlorobenzyl alcohol, or any other ingredient listed on the packaging
  • You are giving them to a child under 6 years of age
  • You have been told by a doctor to avoid certain sugars (the lozenges contain glucose syrup and sucrose)

Speak to your pharmacist or GP before use if:

  • You are pregnant or breastfeeding — while topical antiseptic lozenges are generally considered low risk, always seek professional advice first
  • You have a severe or worsening sore throat, high fever, difficulty swallowing, or a rash — these may indicate a more serious condition requiring medical assessment
  • Your symptoms have not improved after 3 days of use

Drug interactions: No clinically significant drug interactions have been reported with Strepsils Original Lozenges, as the active ingredients act locally and are not absorbed systemically in meaningful amounts. However, always inform your pharmacist of any other medicines you are taking.

 

How Should You Use Strepsils Original Lozenges?

 

Using these lozenges correctly is key to getting the most benefit from them. Follow these steps:

  1. Place one lozenge in your mouth.
  2. Allow it to dissolve slowly — do not chew or swallow it whole.
  3. Let the lozenge coat the back of your throat as it dissolves.
  4. Repeat every 2 to 3 hours as needed.
  5. Do not exceed 12 lozenges in any 24-hour period.
Age Group Dose Frequency Maximum Daily Dose
Adults and children aged 6+ 1 lozenge Every 2–3 hours 12 lozenges in 24 hours
Children under 6 Not suitable — do not use

If you are also managing other symptoms such as headache or body aches alongside your sore throat, you may wish to browse our pain relief collection for complementary options.

 

What Are the Possible Side Effects of Strepsils Original Lozenges?

 

Like all medicines, Strepsils Original Lozenges can cause side effects, although not everyone experiences them. Most people tolerate them well when used as directed.

Common side effects (may affect up to 1 in 10 people):

  • Mild mouth or throat irritation
  • Temporary altered taste sensation

Less common or rare side effects:

  • Hypersensitivity reactions, including skin rash or itching
  • Swelling of the mouth, lips, or throat (angioedema) — this is rare but serious
  • Nausea if lozenges are swallowed rather than dissolved

If you experience any signs of a serious allergic reaction — such as difficulty breathing, swelling of the face or throat, or a widespread rash — stop using the lozenges immediately and seek emergency medical attention. The NHS advises calling 999 or going to your nearest A&E in the event of a severe allergic reaction.

 

How Should You Store Strepsils Original Lozenges?

 

Correct storage helps maintain the quality and effectiveness of the lozenges. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and sources of heat
  • Store in the original packaging to protect from moisture
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the pack
  • Do not dispose of medicines via wastewater or household waste — return unused lozenges to your pharmacist for safe disposal

If you're looking after your overall oral health alongside throat care, our oral health collection has a range of products to support you.

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 Strepsils Original Lozenges online in the UK?

You can buy Strepsils Original Lozenges directly from Cured Pharmacy for just £3.95, with convenient online ordering and delivery to your door. They are a General Sale List (GSL) medicine, so no prescription is needed. Simply add them to your basket and check out — it's that straightforward.

How do Strepsils Original Lozenges work in the body?

Each lozenge contains two antiseptic agents — amylmetacresol and 2,4-dichlorobenzyl alcohol — that are released as the lozenge dissolves slowly in your mouth. These ingredients coat the mucous membranes of the throat and work locally to reduce bacterial activity. They do not enter the bloodstream in significant amounts, so their action is targeted and localised.

How do I use Strepsils Original Lozenges step by step?

Place one lozenge in your mouth and allow it to dissolve slowly — do not chew or swallow it whole. The active ingredients need time to coat the throat lining, so slow dissolution is key. Repeat every 2 to 3 hours as needed, up to a maximum of 12 lozenges in 24 hours.

What is the correct dose of Strepsils Original Lozenges for adults?

Adults should take one lozenge every 2 to 3 hours as needed, up to a maximum of 12 lozenges in any 24-hour period. Do not exceed this dose. If your symptoms have not improved after 3 days, consult your pharmacist or GP for further advice.

Can children take Strepsils Original Lozenges?

Strepsils Original Lozenges are suitable for children aged 6 years and over, using the same dose as adults — one lozenge every 2 to 3 hours, up to 12 in 24 hours. They must not be given to children under 6 years of age. If you're looking for suitable remedies for younger children, our baby and toddler range may be helpful.

Are Strepsils Original Lozenges safe during pregnancy?

The active ingredients in Strepsils Original Lozenges act locally and are not significantly absorbed into the bloodstream, which is reassuring. However, if you are pregnant or breastfeeding, you should always speak to your GP or pharmacist before using any medicine, including over-the-counter products. They can help you weigh up the benefits and any potential risks for your individual situation.

What are the side effects of Strepsils Original Lozenges?

Most people tolerate Strepsils Original Lozenges well, but mild mouth or throat irritation can occasionally occur. Rarely, some individuals may experience a hypersensitivity reaction such as a rash or, in very rare cases, swelling of the mouth or throat. If you notice any signs of a serious allergic reaction, stop use immediately and seek emergency medical help.

How long can I use Strepsils Original Lozenges for?

Strepsils Original Lozenges are intended for short-term use only — no more than 3 days without seeking medical advice. If your sore throat persists beyond this, worsens, or is accompanied by a high fever, difficulty swallowing, or a rash, you should consult your GP. Prolonged sore throats can sometimes indicate a condition that needs further investigation.

What happens if I take too many Strepsils Original Lozenges?

Taking more than 12 lozenges in 24 hours is not recommended and may increase the risk of side effects such as nausea or mouth irritation. If you or someone else has taken a large number of lozenges, contact NHS 111 or your nearest pharmacist for guidance. Always keep medicines out of reach of children to prevent accidental ingestion.

Do Strepsils Original Lozenges interact with other medicines?

No clinically significant drug interactions have been reported with Strepsils Original Lozenges, as the active ingredients work locally in the throat and are not meaningfully absorbed into the bloodstream. That said, always tell your pharmacist about any other medicines you are taking — prescription or over-the-counter — before starting a new product.

What are the alternatives to Strepsils Original Lozenges?

Alternatives include other Strepsils variants (such as Honey and Lemon or Strepsils Intensive, which contains flurbiprofen for pain relief), Difflam lozenges, or throat sprays containing lidocaine or benzydamine. The right choice depends on your symptoms — if pain is your main concern, an analgesic option may suit you better. Browse our ear, nose and throat collection to compare options.

Do Strepsils Original Lozenges actually kill bacteria?

Yes — the two active antiseptic ingredients, amylmetacresol and 2,4-dichlorobenzyl alcohol, have demonstrated antibacterial activity against a range of bacteria commonly associated with throat infections. They work by disrupting bacterial cell membranes locally in the throat. However, they do not treat viral infections, which are the most common cause of sore throats.

Are Strepsils Original Lozenges suitable for diabetics?

Strepsils Original Lozenges contain glucose syrup and sucrose, so people with diabetes should be aware of this and factor it into their monitoring. Each lozenge contains a small amount of sugar, but if you are managing blood glucose carefully, it's worth speaking to your pharmacist or GP before regular use. Our diabetes monitoring range can help you keep track of your levels.

What is the best time to use Strepsils Original Lozenges?

You can use Strepsils Original Lozenges at any time of day when your sore throat symptoms are troublesome — there is no specific time that is clinically superior. Many people find them particularly helpful before meals or at night when throat discomfort tends to feel more noticeable. Simply use them as needed, up to the maximum daily dose.

What does the latest research say about antiseptic throat lozenges?

Research supports the use of antiseptic lozenges containing amylmetacresol and 2,4-dichlorobenzyl alcohol for reducing bacterial counts in the throat and providing symptomatic relief. The NHS acknowledges that lozenges and sprays can help soothe sore throat discomfort, though most sore throats resolve on their own within a week. For persistent or severe symptoms, professional medical assessment remains important.

How Should You Use Strepsils Original Lozenges?

Using Strepsils Original Lozenges correctly ensures you get the most from each dose. The lozenges are designed to dissolve slowly in the mouth, releasing their antiseptic ingredients gradually to coat the throat lining — so the method of use really does matter.

Follow these steps each time you use a lozenge:

What Is the Correct Dose of Strepsils Original Lozenges?

The dose is the same for adults and children aged 6 and over. It is important not to exceed the maximum daily dose, as doing so will not speed up recovery and may increase the risk of side effects.

When Is the Best Time to Use Strepsils Original Lozenges?

There is no single "best" time — you should use a lozenge whenever your sore throat symptoms are causing discomfort, within the limits of the recommended dose. Many people find them particularly helpful before meals, when swallowing can be most painful, or in the evening when throat irritation tends to feel more pronounced. Using a lozenge before bed may also help ease overnight discomfort, though you should never fall asleep with a lozenge in your mouth.

Space your doses evenly throughout the day — every 2 to 3 hours — rather than taking several in quick succession. This helps maintain a consistent antiseptic effect in the throat.

How Long Can You Use Strepsils Original Lozenges For?

Strepsils Original Lozenges are intended for short-term use only. You should not use them for more than 3 consecutive days without consulting a pharmacist or GP. Most sore throats caused by viral infections resolve within 7 to 10 days, but if your symptoms are not improving after 3 days of using the lozenges, it is important to seek professional advice.

Stop using the lozenges and contact your GP if you develop a high temperature, a rash, difficulty swallowing, or if your sore throat is severe or getting worse rather than better. These could be signs of a bacterial infection or another condition that requires a different treatment approach.

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

What Are the Most Common Side Effects of Strepsils Original Lozenges?

The majority of people who use Strepsils Original Lozenges do not experience any significant side effects. The active ingredients work locally in the mouth and throat and are not absorbed into the bloodstream in meaningful amounts, which limits the potential for systemic effects.

Common side effects that may affect a small number of users include:

  • Mild irritation or a tingling sensation in the mouth or throat
  • Temporary change in taste
  • Mild nausea if the lozenge is swallowed rather than dissolved slowly

What Are the Less Common Side Effects of Strepsils Original Lozenges?

Less commonly, some individuals may experience reactions that go beyond mild local irritation. These are uncommon but worth being aware of before you start using the lozenges.

  • Skin rash or itching (urticaria)
  • Redness or soreness of the mouth lining
  • Increased sensitivity in the mouth or throat
  • Headache (reported rarely)

If any of these less common effects occur and are troublesome, stop using the lozenges and speak to your pharmacist for guidance on alternative options.

What Are the Serious Side Effects of Strepsils Original Lozenges?

Serious side effects are rare but can occur, particularly in people who have an allergy to one of the ingredients. The most significant concern is a hypersensitivity or allergic reaction. Signs of a serious allergic reaction (anaphylaxis) include:

  • Swelling of the face, lips, tongue, or throat (angioedema)
  • Difficulty breathing or swallowing
  • Widespread skin rash or hives
  • Dizziness or feeling faint
  • Rapid heartbeat

If you experience any of these symptoms, stop using the lozenges immediately and call 999 or go to your nearest A&E department. Do not wait to see if symptoms improve on their own.

What Should You Do If You Experience Side Effects?

For mild side effects such as mouth irritation or a temporary change in taste, simply stopping use of the lozenges is usually sufficient — these effects resolve quickly once the lozenge has dissolved. If you are concerned about a side effect, your pharmacist is always a good first point of contact and can advise you without an appointment.

You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps the MHRA monitor the safety of medicines available in the UK and is open to both patients and healthcare professionals.

Can Strepsils Original Lozenges Interact With Other Medicines?

No clinically significant interactions between Strepsils Original Lozenges and other medicines have been identified. Because the active ingredients act locally in the throat and are not absorbed into the bloodstream in significant quantities, the risk of systemic drug interactions is very low. However, as a general rule, always inform your pharmacist of all medicines you are currently taking — including herbal remedies and supplements — before starting any new 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

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Content last updated: 31 Mar 2025

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