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Difflam Sore Throat Rinse - 200ml

Difflam Sore Throat Rinse - 200ml

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  • ✔️ Relieves sore throat pain and inflammation locally
  • ✔️ Contains benzydamine HCl 0.15%, a clinically established NSAID
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Provides symptomatic relief from mouth ulcers and throat irritation
  • ✔️ 200ml bottle for multi-dose short-term throat treatment

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What Is Difflam Sore Throat Rinse and How Does It Help?

 

A sore throat can make even swallowing feel like a challenge. Whether it's come on after a cold, following dental work, or as part of a bout of tonsillitis, the discomfort is hard to ignore. Difflam sore throat rinse is a clinically established, over-the-counter mouth and throat rinse that targets inflammation and pain directly at the source — without the need for a prescription. Each 200ml bottle contains benzydamine hydrochloride 0.15%, a locally acting non-steroidal anti-inflammatory drug (NSAID) that has been used in the UK for decades. If you're looking for other throat and respiratory products, our ear, nose and throat range covers a wide selection of options.

Sore throats are one of the most common reasons people visit a pharmacist in the UK. According to the NHS, most sore throats are caused by viral infections and will resolve on their own within a week. That said, managing the pain and inflammation in the meantime makes a real difference to daily comfort — and that's exactly where this rinse comes in.

 

How Does Difflam Sore Throat Rinse Work in the Body?

 

Benzydamine hydrochloride works locally rather than systemically. When you gargle or rinse with it, the active ingredient penetrates the inflamed tissues of the throat and mouth, reducing the production of inflammatory mediators. Here's a quick breakdown of the mechanism:

  • Benzydamine inhibits prostaglandin synthesis locally, reducing swelling and redness in the throat lining.
  • It also has a mild local anaesthetic effect, which helps to numb the area and ease the sensation of pain.
  • Because it acts topically, it is not significantly absorbed into the bloodstream at normal OTC doses, reducing the risk of systemic side effects.
  • The anti-inflammatory action begins relatively quickly after use, typically within minutes of rinsing.

This combination of anti-inflammatory and mild anaesthetic properties makes it particularly useful for conditions where the throat lining is visibly irritated or swollen.

 

Who Should Use Difflam Sore Throat Rinse?

 

This rinse is suitable for a broad range of adults and older children. It's particularly helpful when throat pain is the main complaint — whether that's from an infection, post-operative discomfort, or irritation from radiotherapy to the head and neck area. That said, it's not appropriate for everyone.

It may be suitable for you if you:

  • Are aged 12 years or over and experiencing a painful sore throat.
  • Have mouth ulcers or inflamed gum tissue causing discomfort.
  • Are recovering from dental procedures or minor oral surgery.
  • Are undergoing radiotherapy to the head or neck and need symptomatic relief (under medical supervision).

 

How Does Difflam Sore Throat Rinse Compare to Other Throat Remedies?

 

Feature Difflam Sore Throat Rinse Antiseptic Throat Spray
Active ingredient Benzydamine HCl 0.15% (NSAID) Typically chlorhexidine or lidocaine
Mechanism Anti-inflammatory + mild anaesthetic Antiseptic or local anaesthetic only
Suitable age 12 years and over Varies by product
Form Liquid rinse/gargle Spray

 

Is Difflam Sore Throat Rinse Safe to Store at Home?

 

Yes — storing this rinse correctly is straightforward. Keep it below 25°C, away from direct sunlight, and out of reach of children. Do not use it after the expiry date printed on the bottle. Once opened, use within the period stated on the packaging. If you're building a home medicine cabinet, it's worth pairing this with products from our cold and flu collection so you're prepared for the season ahead.

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.

Difflam Sore Throat Rinse 200ml specifications
Treatment category Sore throat / Oropharyngeal pain relief
Active ingredient Benzydamine hydrochloride 0.15% w/v
Mechanism of action Locally acting NSAID; inhibits prostaglandin synthesis; mild local anaesthetic
Suitable for Adults and children aged 12 years and over
Pack size 200ml
UK classification P (Pharmacy medicine)
Drug class Non-steroidal anti-inflammatory drug (NSAID)
Preparation Oropharyngeal solution
Route of administration Oropharyngeal (gargle/rinse — do not swallow)

Specifications of Difflam Sore Throat Rinse 200ml

 

What Is Difflam Sore Throat Rinse and What Is It Used For?

 

Difflam Sore Throat Rinse is an oropharyngeal solution containing benzydamine hydrochloride 0.15% w/v. It is used to relieve the pain and inflammation associated with sore throats, mouth ulcers, and irritation of the mouth and throat lining. It is also used to manage discomfort following dental procedures, tonsillectomy, and radiotherapy to the head and neck region. The NHS notes that most sore throats are caused by viral infections and do not require antibiotics — symptomatic relief with products like this rinse is often the most appropriate approach.

 

What Do You Need to Know Before Using Difflam Sore Throat Rinse?

 

Before using this rinse, it's important to check whether it is appropriate for you. Do not use it if any of the following apply:

  • You are allergic to benzydamine hydrochloride or any other ingredient in the formulation.
  • You have a known hypersensitivity to aspirin or other NSAIDs — cross-reactivity is possible.
  • You are under 12 years of age (use only on medical advice).
  • You have been told by a doctor to avoid NSAID-type medicines.

Additional warnings to be aware of:

  • Do not swallow the rinse — it is for gargling and rinsing only.
  • If you experience a burning or stinging sensation that is uncomfortable, dilute the rinse with an equal volume of water.
  • Seek medical advice if your sore throat is severe, accompanied by a high fever, difficulty breathing or swallowing, or if symptoms persist beyond 7 days.
  • Speak to your pharmacist or GP if you are pregnant or breastfeeding before using this product.

Regarding drug interactions, no clinically significant interactions have been identified at OTC doses when used as directed. However, always inform your pharmacist of any other medicines you are taking.

  • No significant interactions with common OTC medicines have been documented.
  • If you are taking prescribed NSAIDs or anticoagulants, seek pharmacist advice before use.

 

How Should You Use Difflam Sore Throat Rinse?

 

Using this rinse correctly ensures you get the most benefit from each dose. Follow these steps carefully:

  1. Measure 15ml of the rinse using the measuring cup provided or a standard medicine measure.
  2. Take the liquid into your mouth and gargle or rinse around the throat and mouth for at least 30 seconds.
  3. Spit the liquid out completely — do not swallow.
  4. Repeat every 1.5 to 3 hours as required, or as directed by your pharmacist or doctor.
  5. If you experience stinging or burning, dilute with an equal amount of water before use.
Indication Age Group Dose Frequency
Sore throat / mouth inflammation Adults & children 12+ 15ml undiluted Every 1.5–3 hours
Sore throat (if stinging occurs) Adults & children 12+ 15ml diluted 1:1 with water Every 1.5–3 hours
Under 12 years Children under 12 Not recommended without medical advice

 

What Are the Possible Side Effects of Difflam Sore Throat Rinse?

 

Like all medicines, this rinse can cause side effects, although not everyone experiences them. Most are mild and temporary.

Common side effects:

  • Temporary numbness or tingling in the mouth and throat.
  • Mild burning or stinging sensation (diluting with water usually resolves this).

Less common side effects:

  • Nausea, particularly if any of the rinse is accidentally swallowed.
  • Dry mouth or altered taste sensation.
  • Hypersensitivity reactions including rash, itching, or swelling — stop use immediately and seek medical advice if these occur.

If you experience any signs of a serious allergic reaction — such as swelling of the face, lips, or throat, or difficulty breathing — stop using the product and seek emergency medical attention immediately. You can find further guidance on managing throat and mouth conditions through our oral health collection.

 

How Should You Store Difflam Sore Throat Rinse?

 

Correct storage helps maintain the product's effectiveness and safety throughout its shelf life.

  • Store below 25°C in a cool, dry place.
  • Keep away from direct sunlight and heat sources.
  • Keep the bottle tightly closed when not in use.
  • Keep out of the sight and reach of children.
  • Do not use after the expiry date printed on the bottle or carton.
  • Do not dispose of medicines via wastewater or household waste — return unused medicine to your pharmacist for safe disposal.

If you're managing multiple symptoms alongside a sore throat, our pain relief collection includes a range of complementary options to help you feel more comfortable while you recover.

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 Difflam Sore Throat Rinse online in the UK?

You can buy Difflam Sore Throat Rinse 200ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as a Pharmacy (P) medicine. Simply add it to your basket and it will be dispensed and dispatched by our qualified pharmacy team.

How does Difflam Sore Throat Rinse work in the body?

Difflam contains benzydamine hydrochloride 0.15%, a locally acting NSAID that reduces inflammation and provides mild anaesthetic relief directly in the throat and mouth. It works topically, meaning it acts at the site of pain rather than being absorbed into the bloodstream in significant amounts. This makes it well tolerated for short-term use in most adults and children aged 12 and over.

How do I use Difflam Sore Throat Rinse step by step?

Measure 15ml using the measuring cup, gargle or rinse around your mouth and throat for at least 30 seconds, then spit it out completely — never swallow it. Repeat every 1.5 to 3 hours as needed throughout the day. If you notice stinging, dilute the rinse with an equal volume of water before use.

What is the correct dose of Difflam Sore Throat Rinse for adults?

The standard adult dose is 15ml of undiluted rinse, used every 1.5 to 3 hours as required. Do not use more frequently than directed, and do not exceed the recommended dose. If your symptoms are not improving after 7 days, speak to your GP or pharmacist.

When is the best time to use Difflam Sore Throat Rinse?

You can use the rinse at any time of day when throat pain or discomfort is present, spacing doses at least 1.5 hours apart. Many people find it particularly helpful first thing in the morning when throat soreness tends to feel worse, and again before meals to make eating more comfortable. There is no specific time of day that is clinically preferred — use it when you need it, within the recommended frequency.

What are the side effects of Difflam Sore Throat Rinse?

The most commonly reported side effect is a temporary numbing or tingling sensation in the mouth and throat, which is generally harmless and short-lived. Some people experience mild nausea, particularly if any of the rinse is accidentally swallowed. Rarely, hypersensitivity reactions such as rash or swelling can occur — if this happens, stop use immediately and seek medical advice.

Can children use Difflam Sore Throat Rinse?

Difflam Sore Throat Rinse is not recommended for children under 12 years of age without specific medical advice. Children aged 12 and over can use the standard adult dose of 15ml every 1.5 to 3 hours. For younger children with sore throats, speak to your GP or pharmacist about age-appropriate alternatives — you can also browse our baby and toddler range for suitable products.

Who is eligible to use Difflam Sore Throat Rinse?

This rinse is suitable for adults and young people aged 12 and over who are experiencing sore throat pain, mouth ulcers, or throat inflammation. It is not suitable for people with a known allergy to benzydamine, aspirin, or other NSAIDs. If you are pregnant, breastfeeding, or have a chronic health condition, speak to your pharmacist or GP before use.

What happens if I accidentally swallow Difflam Sore Throat Rinse?

Swallowing a small amount accidentally is unlikely to cause serious harm in adults, but it may cause nausea or stomach upset. The rinse is designed for gargling and rinsing only — always spit it out after use. If a child swallows a significant amount, contact NHS 111 or your nearest A&E for advice.

How long can you use Difflam Sore Throat Rinse for?

Difflam Sore Throat Rinse is intended for short-term use only, typically no longer than 7 days without medical review. If your symptoms persist beyond a week, worsen significantly, or are accompanied by a high fever or difficulty swallowing, you should consult your GP. Prolonged use without medical supervision is not recommended.

Can I use Difflam Sore Throat Rinse if I am pregnant?

If you are pregnant or breastfeeding, you should speak to your GP or pharmacist before using this rinse. As a precaution, NSAID-containing products are generally used with caution during pregnancy, particularly in the third trimester. Your healthcare provider can advise on the safest option for managing throat pain during pregnancy.

What are alternatives to Difflam Sore Throat Rinse?

Alternatives include antiseptic throat sprays, throat lozenges containing local anaesthetics such as lidocaine, or soluble aspirin gargles (for adults only). The right choice depends on your symptoms, age, and any contraindications you may have. Your pharmacist can help you choose — and you can also explore our broader ear, nose and throat collection for more options.

Can I use Difflam Sore Throat Rinse alongside paracetamol or ibuprofen?

Using Difflam alongside paracetamol is generally considered acceptable, as they work by different mechanisms. However, because benzydamine is an NSAID, combining it with oral ibuprofen or other systemic NSAIDs should be discussed with a pharmacist first to avoid potential additive effects. Always read the labels of all medicines you are taking at the same time.

Does Difflam Sore Throat Rinse treat the infection causing the sore throat?

No — Difflam Sore Throat Rinse relieves the symptoms of a sore throat (pain and inflammation) but does not treat the underlying cause. Most sore throats are caused by viral infections, which do not respond to antibiotics and resolve on their own. If you suspect a bacterial infection such as strep throat, see your GP for assessment.

What are the latest findings on benzydamine for sore throat relief?

Benzydamine hydrochloride has been used clinically for several decades and remains a recognised option for symptomatic relief of oropharyngeal pain in UK clinical practice. Published evidence supports its local anti-inflammatory and analgesic properties when used as directed. The BNF continues to list benzydamine oropharyngeal preparations as an appropriate treatment for mouth and throat inflammation.

How Should You Use Difflam Sore Throat Rinse?

Using Difflam Sore Throat Rinse correctly is straightforward, but it's worth following the steps carefully to get the most benefit. Always read the patient information leaflet supplied with the product before use.

Never swallow the rinse. If you are unsure about any step, ask your pharmacist for guidance before starting treatment.

What Is the Correct Dose of Difflam Sore Throat Rinse?

The dose is the same for all eligible users aged 12 and over. Do not use more frequently than every 1.5 hours, and always spit out the rinse after use. The table below summarises dosing by indication and age group.

When Is the Best Time to Use Difflam Sore Throat Rinse?

There is no single "best" time — you should use the rinse whenever throat pain or discomfort is present, provided you space doses at least 1.5 hours apart. Many people find it most helpful first thing in the morning, when throat soreness often feels at its worst, and again before meals to make eating and drinking more comfortable. Using it before bed may also help ease overnight discomfort, though you should not use it more frequently than directed regardless of timing.

Try to use the rinse consistently throughout the day rather than only when pain becomes severe, as maintaining a regular schedule helps keep inflammation under better control.

How Long Can You Use Difflam Sore Throat Rinse For?

Difflam Sore Throat Rinse is designed for short-term use only. In most cases, you should not use it for more than 7 days without seeking medical advice. If your symptoms have not improved within this time, or if they worsen at any point, consult your GP or pharmacist promptly.

Prolonged use beyond the recommended period without medical supervision is not advised. A sore throat lasting longer than a week, or one accompanied by a high fever, difficulty swallowing, or swollen glands, may require further investigation and should not be self-managed indefinitely.

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

How Should You Use Difflam Sore Throat Rinse?

Using Difflam Sore Throat Rinse correctly is straightforward, but it's worth following the steps carefully to get the most benefit. Always read the patient information leaflet supplied with the product before use.

Never swallow the rinse. If you are unsure about any step, ask your pharmacist for guidance before starting treatment.

What Is the Correct Dose of Difflam Sore Throat Rinse?

The dose is the same for all eligible users aged 12 and over. Do not use more frequently than every 1.5 hours, and always spit out the rinse after use. The table below summarises dosing by indication and age group.

When Is the Best Time to Use Difflam Sore Throat Rinse?

There is no single "best" time — you should use the rinse whenever throat pain or discomfort is present, provided you space doses at least 1.5 hours apart. Many people find it most helpful first thing in the morning, when throat soreness often feels at its worst, and again before meals to make eating and drinking more comfortable. Using it before bed may also help ease overnight discomfort, though you should not use it more frequently than directed regardless of timing.

Try to use the rinse consistently throughout the day rather than only when pain becomes severe, as maintaining a regular schedule helps keep inflammation under better control.

How Long Can You Use Difflam Sore Throat Rinse For?

Difflam Sore Throat Rinse is designed for short-term use only. In most cases, you should not use it for more than 7 days without seeking medical advice. If your symptoms have not improved within this time, or if they worsen at any point, consult your GP or pharmacist promptly.

Prolonged use beyond the recommended period without medical supervision is not advised. A sore throat lasting longer than a week, or one accompanied by a high fever, difficulty swallowing, or swollen glands, may require further investigation and should not be self-managed indefinitely.

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

What Are the Most Common Side Effects of Difflam Sore Throat Rinse?

Most people who use Difflam Sore Throat Rinse tolerate it well. Because benzydamine hydrochloride acts locally in the mouth and throat rather than being absorbed systemically in significant amounts, the side effect profile is generally mild. The most frequently reported effects are related to the local action of the medicine on sensitive oral tissues.

  • Temporary numbness or tingling in the mouth and throat — this is a known effect of the local anaesthetic action and usually resolves quickly after spitting out the rinse.
  • Mild burning or stinging sensation in the mouth — diluting the rinse with an equal volume of water before use typically resolves this.

What Are the Less Common Side Effects of Difflam Sore Throat Rinse?

Less commonly, some users report the following effects. These are not experienced by the majority of people but are worth being aware of before you start using the product.

  • Nausea — most likely to occur if any of the rinse is accidentally swallowed rather than spat out.
  • Dry mouth or altered taste sensation following use.
  • Mild throat irritation that is distinct from the original sore throat symptoms.

If any of these effects are persistent or particularly bothersome, stop using the rinse and speak to your pharmacist or GP for advice on alternative options.

What Are the Serious Side Effects of Difflam Sore Throat Rinse?

Serious side effects are rare but can occur, particularly in people with a known sensitivity to NSAIDs or aspirin. You should be alert to the following signs of a hypersensitivity or allergic reaction:

  • Swelling of the face, lips, tongue, or throat (angioedema).
  • Difficulty breathing or swallowing.
  • Skin rash, hives, or widespread itching.
  • Sudden worsening of asthma symptoms in people with aspirin-sensitive asthma.

If you experience any of these symptoms, stop using the product immediately and seek emergency medical attention. Do not attempt to manage a serious allergic reaction at home.

What Should You Do If You Experience Side Effects?

For mild side effects such as tingling or stinging, try diluting the rinse with water before your next use. If the side effect persists despite dilution, discontinue use and consult your pharmacist. For nausea, ensure you are spitting out the rinse completely and not swallowing any of it.

You can report suspected side effects of any medicine in the UK directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. This helps regulators monitor the safety of medicines in real-world use.

Can Difflam Sore Throat Rinse Interact With Other Medicines?

No clinically significant drug interactions have been identified with Difflam Sore Throat Rinse at standard OTC doses when used as directed. However, because benzydamine is an NSAID, caution is advised if you are also taking oral NSAIDs such as ibuprofen or naproxen, as there is a theoretical risk of additive effects. If you are taking anticoagulants, corticosteroids, or any prescribed medicines, speak to your pharmacist before using this rinse.

Always inform your pharmacist or GP of all medicines you are currently taking, including over-the-counter products and supplements, to ensure there are no concerns specific to your situation.

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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