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Corsodyl Gum Problem Mouthwash Fresh Mint - 300ml

Corsodyl Gum Problem Mouthwash Fresh Mint - 300ml

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  • ✔️ Targets bacteria that cause bleeding and swollen gums
  • ✔️ Contains 0.2% chlorhexidine digluconate — clinically recognised antiseptic
  • ✔️ Helps reduce plaque build-up between dental visits
  • ✔️ Suitable for gum disease, mouth ulcers, and post-dental care
  • ✔️ Fresh mint flavour for a comfortable twice-daily rinse

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Is Corsodyl Gum Mouthwash Right for Your Gums?

 

Gum problems are more common than most people realise. In fact, the NHS estimates that gum disease affects most adults in the UK to some degree. If your gums bleed when you brush, feel sore, or look swollen, it is worth taking action sooner rather than later. Corsodyl gum mouthwash is a clinically recognised antiseptic oral rinse designed specifically to tackle the bacteria that cause gum disease. Available from our oral health collection at Cured Pharmacy, this 300ml fresh mint formula offers a straightforward way to support your gum health between dental visits.

The active ingredient is chlorhexidine digluconate at a concentration of 0.2% w/v. This is the same concentration used in dental clinics and is well-established in the clinical literature for reducing plaque and treating gingivitis. At just £5.59, it represents accessible, evidence-based care for a very common problem.

 

How Does Corsodyl Gum Problem Mouthwash Work?

 

Chlorhexidine digluconate is a broad-spectrum antiseptic. It works by binding to bacterial cell membranes and disrupting their integrity, ultimately killing the bacteria responsible for plaque formation and gum inflammation. Here is how it acts in practice:

  • Chlorhexidine binds to oral surfaces — teeth, gums, and mucous membranes — after rinsing, creating a sustained antibacterial effect that lasts for several hours.
  • It reduces the bacterial load in the mouth, which in turn lowers the inflammatory response in gum tissue.
  • Regular use helps prevent plaque from re-forming on tooth surfaces between brushing sessions.
  • The fresh mint flavour makes the rinsing experience more comfortable, encouraging consistent use.

It is worth noting that chlorhexidine does not replace mechanical cleaning. Brushing and flossing remain essential. This mouthwash works alongside your existing routine, not instead of it.

 

Who Should Use Corsodyl Gum Problem Mouthwash?

 

This mouthwash is suitable for adults and young people aged 12 and over who are experiencing signs of gum disease or who have been advised by a dental professional to use an antiseptic rinse. It is particularly useful in the following situations:

  • Bleeding gums when brushing or flossing
  • Swollen, red, or tender gum tissue (gingivitis)
  • Following dental procedures such as scaling, extractions, or implant placement
  • Mouth ulcers or minor oral infections
  • Denture-related soreness or oral hygiene maintenance

If you are unsure whether this product is appropriate for your situation, a quick conversation with your pharmacist or dentist will help clarify things. It is not intended as a long-term substitute for professional dental treatment.

 

How Does Corsodyl Compare to Other Gum Mouthwashes?

 

Feature Corsodyl Gum Problem Mouthwash Standard Fluoride Mouthwash
Active ingredient Chlorhexidine digluconate 0.2% Sodium fluoride (varies)
Primary use Gum disease, gingivitis, oral infections Cavity prevention, enamel strengthening
Antibacterial action Yes — broad-spectrum Limited or none
Suitable for gum disease Yes — clinically indicated Not specifically

 

Is Corsodyl Gum Problem Mouthwash Safe to Store at Home?

 

Yes. Store this product below 25°C, away from direct sunlight, and keep it out of reach of children. Do not use after the expiry date printed on the bottle. The 300ml size is practical for home use and typically lasts several weeks when used as directed. If you are managing multiple health products at home — whether that is dental care, vitamins and supplements, or other OTC medicines — keeping everything stored correctly ensures they remain effective.

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.

Corsodyl Gum Problem Mouthwash Fresh Mint 300ml specifications
Treatment category Oral antiseptic / Gum disease treatment
Active ingredient Chlorhexidine digluconate 0.2% w/v
Mechanism of action Disrupts bacterial cell membranes; broad-spectrum antibacterial
Effective against Gingivitis, plaque bacteria, oral infections, mouth ulcers
Suitable for Adults and children aged 12 and over
Pack size 300ml
Strength 0.2% w/v chlorhexidine digluconate
UK classification General Sale List (GSL)
Drug class Antiseptic / Antimicrobial oral rinse
Preparation Aqueous oral solution
Route of administration Oral (mouth rinse — do not swallow)

Specifications of Corsodyl Gum Problem Mouthwash Fresh Mint 300ml

 

What Is Corsodyl Gum Problem Mouthwash and What Is It Used For?

 

Corsodyl Gum Problem Mouthwash Fresh Mint is an antiseptic oral rinse containing 0.2% w/v chlorhexidine digluconate. It is used to treat and help prevent gum disease (gingivitis), reduce plaque, manage mouth ulcers, and support oral hygiene following dental procedures. The NHS recognises chlorhexidine mouthwash as an effective treatment for gum disease, particularly when used alongside regular brushing and professional dental care. This corsodyl gum mouthwash is available over the counter without a prescription and is suitable for adults and young people aged 12 and over.

 

What Do You Need to Know Before Using Corsodyl Gum Problem Mouthwash?

 

Before using this mouthwash, read the following carefully. There are some situations where you should not use it, or where you should seek advice first.

Do not use this product if you:

  • Are allergic to chlorhexidine digluconate or any other ingredient in the formulation
  • Have had a previous severe allergic reaction (anaphylaxis) to chlorhexidine — this is rare but serious
  • Are under 12 years of age

Speak to your dentist or pharmacist before use if you:

  • Are pregnant or breastfeeding
  • Have any open wounds or ulceration in the mouth that are not improving
  • Have a known sensitivity to any oral antiseptic
  • Are using composite dental restorations — chlorhexidine may affect some materials over time

Known interactions:

  • Chlorhexidine can be inactivated by some toothpaste ingredients, particularly sodium lauryl sulphate (SLS). Leave at least 30 minutes between brushing and using this mouthwash for best results.
  • No significant systemic drug interactions are known at OTC oral rinse doses.

 

How Should You Use Corsodyl Gum Problem Mouthwash?

 

Using this mouthwash correctly makes a real difference to how well it works. Follow these steps each time:

  1. Measure 10ml of mouthwash using the cap or a measuring cup.
  2. Rinse vigorously around your mouth for one full minute.
  3. Spit the mouthwash out completely — do not swallow.
  4. Do not eat, drink, or rinse your mouth with water for at least 30 minutes after use.
  5. Use twice daily, ideally after brushing morning and evening.
Indication Age Group Dose Frequency
Gum disease / gingivitis Adults and children 12+ 10ml Twice daily for up to 1 month
Mouth ulcers Adults and children 12+ 10ml Twice daily until resolved
Post-dental procedure Adults 10ml As directed by dentist

If you are also managing other aspects of your health, you can browse our dental products collection for complementary oral care items.

 

What Are the Possible Side Effects of Corsodyl Gum Problem Mouthwash?

 

Like all medicines, this product can cause side effects, although not everyone experiences them. Most are mild and resolve when you stop using the product.

Common side effects:

  • Brown staining of teeth, tongue, and dental restorations — this is the most frequently reported effect and is usually reversible with professional cleaning
  • Temporary alteration in taste sensation
  • Mild irritation or a burning sensation in the mouth
  • Dry mouth or increased tartar build-up with prolonged use

Less common side effects:

  • Swelling of the parotid (salivary) glands — rare but documented
  • Mouth soreness or superficial desquamation (peeling) of oral mucosa
  • Allergic reactions, including rash or itching — stop use immediately if this occurs
  • In very rare cases, severe hypersensitivity reactions including anaphylaxis have been reported with chlorhexidine products

If you experience any signs of a serious allergic reaction — swelling of the face, lips, or throat, difficulty breathing, or a sudden drop in blood pressure — seek emergency medical help immediately.

 

How Should You Store Corsodyl Gum Problem Mouthwash?

 

Correct storage keeps the product effective and safe for the duration of use. Follow these guidelines:

  • 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 reach and sight of children
  • Do not use after the expiry date printed on the bottle
  • Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacist

If you are building a home medicine cabinet, our first aid collection has everything you need to stay prepared for everyday health needs alongside your dental care essentials.

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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 Corsodyl Gum Problem Mouthwash online in the UK?

You can buy Corsodyl Gum Problem Mouthwash Fresh Mint 300ml directly from Cured Pharmacy for £5.59, with no prescription required. It is available as an over-the-counter product and can be ordered online for convenient home delivery. Browse our full oral health collection for related products.

How does Corsodyl gum mouthwash work in the mouth?

Corsodyl contains 0.2% chlorhexidine digluconate, which binds to bacterial cell membranes and destroys them, reducing the bacteria that cause plaque and gum inflammation. It also adheres to oral surfaces after rinsing, providing a sustained antibacterial effect for several hours. This makes it more effective than many standard mouthwashes for treating active gum disease.

How do I use Corsodyl Gum Problem Mouthwash step by step?

Measure 10ml using the bottle cap, rinse vigorously around your mouth for one full minute, then spit it out — do not swallow. Use twice daily, ideally after brushing in the morning and evening. Avoid eating, drinking, or rinsing with water for at least 30 minutes after use to allow the chlorhexidine to work effectively.

What is the correct dose of Corsodyl mouthwash for adults?

The standard adult dose is 10ml used as a mouth rinse twice daily. Do not exceed this dose and do not swallow the product. If you are using it following a dental procedure, your dentist may give you specific instructions that differ slightly from the standard guidance.

How long can you use Corsodyl mouthwash for?

Corsodyl Gum Problem Mouthwash is intended for short-term use, typically up to one month. Prolonged use beyond this period increases the risk of tooth staining and other side effects. If your gum symptoms have not improved after one month, you should see your dentist for a professional assessment.

Does Corsodyl mouthwash stain your teeth?

Yes, brown staining of teeth, the tongue, and dental restorations is a well-known and common side effect of chlorhexidine mouthwash, particularly with prolonged use. The staining is usually reversible and can be removed by a dental hygienist during a routine clean. Limiting use to the recommended period and avoiding tea, coffee, and red wine during treatment can help reduce staining.

Can children use Corsodyl Gum Problem Mouthwash?

Corsodyl Gum Problem Mouthwash is not recommended for children under 12 years of age. For children aged 12 and over, it can be used under adult supervision following the standard dosage instructions. Always consult a dentist or pharmacist before giving any antiseptic mouthwash to a young person.

Can I use Corsodyl mouthwash if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should speak to your dentist, midwife, or pharmacist before using Corsodyl mouthwash. Chlorhexidine is not significantly absorbed systemically from oral rinsing, but professional guidance is always recommended during pregnancy. Your healthcare provider can advise on the safest approach for managing gum health during this time.

What happens if I accidentally swallow Corsodyl mouthwash?

Swallowing a small amount accidentally is unlikely to cause serious harm in adults, but this product is not intended to be ingested. If a child swallows a significant quantity, contact NHS 111 or your nearest A&E immediately. Always keep the bottle out of reach of children and supervise young users carefully.

Can I use Corsodyl mouthwash straight after brushing my teeth?

It is best to wait at least 30 minutes after brushing before using Corsodyl mouthwash. Some toothpastes contain sodium lauryl sulphate (SLS), which can inactivate chlorhexidine and reduce its effectiveness. Leaving a gap between brushing and rinsing ensures the active ingredient works as intended.

What are the side effects of Corsodyl mouthwash and how do I manage them?

The most common side effect is brown staining of teeth and tongue, which is usually reversible with professional cleaning. You may also notice a temporary change in taste or mild mouth irritation. If you experience swelling, difficulty breathing, or signs of an allergic reaction, stop use immediately and seek urgent medical attention.

Who is eligible to use Corsodyl Gum Problem Mouthwash?

This product is suitable for adults and young people aged 12 and over who have signs of gum disease, mouth ulcers, or who need post-dental procedure oral care. It is not suitable for those with a known allergy to chlorhexidine or any other ingredient. People with complex medical histories should check with their pharmacist before use.

What are the alternatives to Corsodyl Gum Problem Mouthwash?

Alternatives include other chlorhexidine-based rinses, essential oil mouthwashes such as Listerine Total Care, and cetylpyridinium chloride (CPC) products. However, 0.2% chlorhexidine digluconate — as found in corsodyl gum mouthwash — remains one of the most clinically studied antiseptic rinses for gum disease. You can explore further options in our dental products collection.

Is there any research supporting the use of chlorhexidine mouthwash for gum disease?

Yes. Chlorhexidine digluconate has been extensively studied and is widely recognised in dental literature as an effective adjunct to mechanical plaque control for treating gingivitis. The NHS recommends antiseptic mouthwashes containing chlorhexidine as part of gum disease treatment. It is one of the most evidence-supported oral antiseptics available without prescription in the UK.

Can Corsodyl mouthwash be used for mouth ulcers?

Yes, Corsodyl Gum Problem Mouthwash can be used to help manage mouth ulcers by reducing the bacterial load around the affected area and supporting healing. Use 10ml twice daily as a rinse until the ulcer resolves. If mouth ulcers persist for more than three weeks or are unusually large or painful, you should see your GP or dentist for further evaluation.

How Should You Use Corsodyl Gum Problem Mouthwash?

Using Corsodyl Gum Problem Mouthwash correctly is straightforward, but the technique does matter. Rinsing for the full recommended time and avoiding food or drink afterwards gives the chlorhexidine the best chance to work on the bacteria causing your gum problems.

Follow these steps each time you use the mouthwash:

What Is the Correct Dose of Corsodyl Gum Problem Mouthwash?

The dose is the same for all approved users — 10ml used as a mouth rinse. Do not use more than this amount per session, and do not use more frequently than twice daily unless specifically directed by a dental professional.

When Is the Best Time to Use Corsodyl Gum Problem Mouthwash?

The most effective routine is to use Corsodyl mouthwash twice daily — once in the morning and once in the evening — after brushing your teeth. Remember to leave that 30-minute gap after brushing before you rinse. Using it consistently at the same times each day helps maintain a steady antibacterial effect in the mouth throughout the treatment period.

Avoid using the mouthwash immediately before meals, as the 30-minute post-rinse window means you should not eat or drink straight afterwards. Evening use just before bed (after the 30-minute wait) can be particularly beneficial, as saliva flow decreases overnight, allowing the chlorhexidine to remain active for longer.

How Long Can You Use Corsodyl Gum Problem Mouthwash For?

This mouthwash is designed for short-term use only — typically up to one month. Using it for longer than this increases the risk of tooth staining and other side effects without providing additional clinical benefit. If your gum symptoms persist after one month of consistent use, book an appointment with your dentist rather than continuing to self-treat.

Once your gum health has improved, your dentist may recommend switching to a standard fluoride mouthwash for ongoing maintenance. Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

What Are the Most Common Side Effects of Corsodyl Gum Problem Mouthwash?

The most frequently reported side effect of Corsodyl Gum Problem Mouthwash is brown staining of the teeth, tongue, and dental restorations such as crowns or fillings. This happens because chlorhexidine binds to surfaces in the mouth and, over time, can discolour them — particularly if you drink tea, coffee, or red wine during the treatment period. The staining is cosmetic rather than harmful and is usually reversible with a professional clean from a dental hygienist.

  • Brown or yellow staining of teeth, tongue, and dental work
  • Temporary alteration or reduction in taste sensation
  • Mild burning or tingling sensation in the mouth
  • Dry mouth with regular use
  • Increased tartar (calculus) build-up with prolonged use

What Are the Less Common Side Effects of Corsodyl Gum Problem Mouthwash?

Less commonly, some people experience more noticeable oral discomfort or localised reactions. These are not typical but are worth being aware of, especially if you have sensitive oral tissues or a history of reactions to antiseptic products.

  • Swelling or tenderness of the parotid salivary glands (located near the jaw)
  • Superficial peeling or desquamation of the oral mucosa (inner cheek lining)
  • Mouth soreness or increased sensitivity of gum tissue
  • Skin rash or itching if the product contacts the skin around the mouth

What Are the Serious Side Effects of Corsodyl Gum Problem Mouthwash?

Serious side effects are rare but can occur. The most significant risk is a severe allergic reaction (hypersensitivity) to chlorhexidine. Although uncommon, anaphylaxis has been reported with chlorhexidine-containing products. This is more likely in people who have had previous reactions to chlorhexidine in other settings, such as surgical antiseptic washes or urinary catheters.

Seek emergency medical help immediately if you experience any of the following after using this product:

  • Sudden swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Rapid heartbeat or dizziness
  • Skin flushing, hives, or a widespread rash

What Should You Do If You Experience Side Effects?

For mild side effects such as staining or taste changes, you can usually continue using the product as directed and discuss the staining with your dental hygienist at your next appointment. Reducing tea, coffee, and red wine intake during treatment can help minimise discolouration. If you experience mouth soreness or irritation that does not settle within a few days, stop using the product and speak to your pharmacist or dentist.

For any sign of an allergic reaction — however mild — stop use immediately and seek medical advice. Do not restart the product without professional guidance.

Can Corsodyl Gum Problem Mouthwash Interact With Other Medicines?

There are no clinically significant systemic drug interactions known at the doses used in this OTC oral rinse. However, chlorhexidine can be chemically inactivated by sodium lauryl sulphate (SLS), a foaming agent found in many toothpastes. To avoid this, always leave at least 30 minutes between brushing and using the mouthwash. If you are using any other oral antiseptic or medicated mouthwash at the same time, check with your pharmacist to ensure they are compatible.

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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