Difflam Sore Throat Rinse - 200ml

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?

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.

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.

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.