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Orabase Protective Paste - 30G

Orabase Protective Paste - 30G

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  • ✔️ Forms a protective adhesive barrier directly over mouth ulcers
  • ✔️ Shields oral wounds from saliva, food, and friction
  • ✔️ Steroid-free and anaesthetic-free — suitable for sensitive users
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Helps reduce ulcer pain while supporting natural tissue healing

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What Is Mouth Ulcer Paste and How Can Orabase Help?

 

Mouth ulcers are small, painful sores that develop on the lining of the mouth, gums, or tongue. They are extremely common — the NHS estimates that around one in five people experience them regularly. Most are harmless and heal on their own within one to two weeks, but the discomfort they cause while eating, drinking, or speaking can be genuinely miserable. That is where a mouth ulcer paste like Orabase Protective Paste 30g comes in. It creates a physical barrier directly over the sore, reducing pain and protecting the tissue while it heals. You can browse our full range of oral health products to find the right solution for your needs.

Orabase Protective Paste is a well-established topical oral preparation available over the counter. At just £2.99 for a 30g tube, it offers an accessible, no-fuss option for managing minor oral wounds without needing a prescription.

 

How Does Orabase Protective Paste Work on Mouth Ulcers?

 

The paste works through a simple but effective physical mechanism. When applied to a dry oral surface, the formulation — which contains carmellose sodium, gelatin, and pectin in a Plastibase vehicle — absorbs moisture from the mucosa and swells to form a flexible, adhesive gel film. This film clings to the ulcer surface and acts as a protective coating.

  • Shields the ulcer from saliva, food particles, and mechanical friction
  • Reduces direct contact between the wound and irritants such as acidic foods or drinks
  • Creates a moist wound environment that supports natural tissue repair
  • Provides a degree of pain relief by reducing stimulation of exposed nerve endings

There is no active anaesthetic or steroid in the standard Orabase formulation — the relief comes purely from the protective barrier itself. This makes it a gentle option suitable for regular use.

 

Who Should Use Orabase Protective Paste?

 

Orabase Protective Paste is designed for adults and young people aged 12 and over who are experiencing minor mouth ulcers or oral mucosal irritation. It is particularly useful if your ulcers are triggered by dental appliances, braces, or dentures rubbing against the soft tissue. It may also help with minor cuts or abrasions inside the mouth.

  • Adults with recurrent aphthous ulcers (common mouth ulcers)
  • People with irritation caused by orthodontic braces or ill-fitting dentures
  • Individuals with minor oral wounds following dental procedures
  • Those who need a steroid-free, non-medicated protective option

It is not intended for infected lesions, large wounds, or ulcers that may indicate a more serious underlying condition. Always speak to your GP or dentist if an ulcer lasts longer than three weeks, is unusually large, or keeps returning in the same spot.

 

How Does Orabase Protective Paste Compare to Other Mouth Ulcer Treatments?

 

Feature Orabase Protective Paste Topical Anaesthetic Gel (e.g. Bonjela)
Active ingredient Carmellose sodium (barrier only) Choline salicylate / lidocaine
Mechanism Physical protective barrier Local anaesthetic / anti-inflammatory
Suitable for children under 16 12+ (with caution) Not recommended under 16 (salicylate risk)
Steroid-free Yes Yes (standard formulation)

 

Is Orabase Protective Paste Safe to Store and Use Long-Term?

 

Orabase Protective Paste should be stored below 25°C and kept away from direct heat or sunlight. Do not refrigerate the tube, as cold temperatures can alter the paste's consistency and reduce its adhesive properties. Check the expiry date printed on the tube before each use, and do not use the product beyond that date.

If you are managing a condition that causes frequent oral ulceration — such as Behçet's disease, coeliac disease, or inflammatory bowel disease — it is worth discussing longer-term management with your GP rather than relying solely on a mouth ulcer paste. For those looking for complementary support, our dental products range includes a variety of oral care options that may help maintain overall mouth health.

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.

Orabase Protective Paste 30g specifications
Treatment category Oral mucosal protection / mouth ulcer management
Mechanism of action Forms an adhesive protective gel barrier over oral mucosa
Effective for Minor mouth ulcers, oral abrasions, mucosal irritation
Suitable for Adults and children aged 12 and over
Active ingredient Carmellose sodium, gelatin, pectin in Plastibase
Pack size 30g tube
UK classification General Sale List (GSL)
Drug class Oral mucosal protectant
Preparation Paste
Route of administration Topical (applied to oral mucosa)

Specifications of Orabase Protective Paste 30g

 

What Is Orabase Protective Paste and What Is It Used For?

 

Orabase Protective Paste 30g is a topical oral preparation used to protect minor mouth ulcers, small oral wounds, and areas of mucosal irritation inside the mouth. It does not contain a steroid or local anaesthetic — instead, it works by forming a physical adhesive barrier that shields damaged tissue from further irritation. The NHS notes that most mouth ulcers heal without treatment within one to two weeks, but protective pastes can significantly reduce discomfort during that time. This product is classified as a General Sale List (GSL) medicine in the UK, meaning it is available without a prescription.

 

What Do You Need to Know Before Using Orabase Protective Paste?

 

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

Do not use Orabase Protective Paste if:

  • You are allergic to any of the ingredients, including carmellose sodium, gelatin, or pectin
  • The ulcer or wound appears infected (signs include pus, spreading redness, or fever)
  • You are under 12 years of age, unless directed by a doctor
  • The ulcer is unusually large, painless, or has been present for more than three weeks without improvement

Speak to your pharmacist or GP before use if:

  • You have a known condition causing recurrent ulceration, such as Crohn's disease or coeliac disease
  • You are pregnant or breastfeeding — while topical use is considered low risk, it is always sensible to check
  • You are using any other oral preparations at the same time

Known drug interactions:

  • No significant drug interactions are currently documented for this formulation
  • Avoid applying immediately before or after other topical oral treatments, as this may affect adhesion of both products

 

How Should You Use Orabase Protective Paste?

 

Correct application is important — if you rub the paste in, it will not adhere properly and the protective film will not form. Follow these steps carefully.

  1. Wash your hands thoroughly before touching the inside of your mouth
  2. Gently pat the ulcer or affected area dry with a clean tissue or cotton bud
  3. Squeeze a small amount of paste (approximately the size of a pea) onto a clean fingertip or cotton bud
  4. Press the paste gently onto the ulcer — do not rub or spread it
  5. Hold lightly in place for 30 to 60 seconds to allow the film to begin forming
  6. Avoid eating or drinking for at least 30 minutes after application to allow the barrier to set
Indication Age Group Dose Frequency
Minor mouth ulcers Adults & children 12+ Small pea-sized amount 2–3 times daily, after meals and at bedtime
Oral mucosal irritation Adults & children 12+ Small pea-sized amount As needed, up to 3 times daily
Children under 12 Under 12 Not recommended Seek medical advice

 

What Are the Possible Side Effects of Orabase Protective Paste?

 

Side effects with Orabase Protective Paste are uncommon, given that it does not contain pharmacologically active ingredients. However, as with any product applied to sensitive tissue, some people may notice a reaction. If you are exploring other oral care or first aid products alongside this paste, always check for ingredient overlaps.

Common side effects:

  • Mild stinging or tingling sensation immediately after application
  • Temporary altered taste sensation
  • Slight gritty or waxy texture in the mouth as the paste dissolves

Less common side effects:

  • Local irritation or redness around the application site
  • Hypersensitivity reactions — including swelling, rash, or worsening pain — in people allergic to any ingredient

Stop using the paste and seek medical advice if you notice any signs of an allergic reaction, including swelling of the lips, tongue, or throat. This is rare but requires prompt attention.

 

How Should You Store Orabase Protective Paste?

 

Proper storage keeps the paste effective for its full shelf life. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Do not refrigerate or freeze the tube
  • Keep the cap 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 tube or carton
  • Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacist

If you are managing ongoing oral health concerns alongside this product, our pain relief range may offer additional comfort options while your ulcer heals.

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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 Orabase Protective Paste online in the UK?

You can buy Orabase Protective Paste 30g directly from Cured Pharmacy online for just £2.99, with no prescription required. It is a General Sale List medicine, so it is available over the counter. Simply add it to your basket and choose your preferred delivery option at checkout.

How does Orabase Protective Paste work in the mouth?

Orabase Protective Paste works by absorbing moisture from the oral mucosa and swelling to form a flexible, adhesive gel film over the ulcer surface. This film acts as a physical barrier, protecting the wound from saliva, food, and friction. It does not contain a steroid or anaesthetic — the pain relief comes from shielding the exposed nerve endings from further irritation.

How do I apply Orabase Protective Paste correctly?

Dry the ulcer gently with a clean tissue first, then press a small pea-sized amount of paste directly onto the sore without rubbing. Hold it lightly in place for around 30 to 60 seconds to allow the film to begin forming. Avoid eating or drinking for at least 30 minutes afterwards so the barrier can set properly.

How many times a day should I use Orabase Protective Paste?

Apply Orabase Protective Paste two to three times daily — ideally after meals and at bedtime. Applying after eating means the barrier is not immediately disrupted by food or drink. Do not exceed three applications per day unless a healthcare professional advises otherwise.

What are the side effects of Orabase Protective Paste?

Most people tolerate Orabase Protective Paste well, but mild stinging or a temporary altered taste may occur immediately after application. Less commonly, local irritation or a hypersensitivity reaction may develop. If you notice swelling, worsening pain, or any signs of an allergic reaction, stop use and seek medical advice promptly.

Who is Orabase Protective Paste suitable for?

Orabase Protective Paste is suitable for adults and young people aged 12 and over who have minor mouth ulcers, oral abrasions, or mucosal irritation from dental appliances. It is not recommended for children under 12 without medical supervision. People with recurrent or severe ulceration should speak to their GP before relying on this product alone.

Can I use Orabase Protective Paste if I am pregnant or breastfeeding?

Topical use of Orabase Protective Paste is considered low risk during pregnancy and breastfeeding, as systemic absorption is minimal. However, it is always sensible to check with your midwife, GP, or pharmacist before using any medicine during pregnancy. Use the smallest effective amount and avoid swallowing the paste.

What happens if my mouth ulcer does not improve after using Orabase Protective Paste?

If your ulcer has not healed within two to three weeks, or if it is getting larger, more painful, or keeps returning in the same spot, you should see your GP or dentist. Persistent ulcers can occasionally indicate an underlying condition that needs investigation. Do not continue self-treating without seeking professional advice in these circumstances.

What are the alternatives to Orabase Protective Paste for mouth ulcers?

Alternatives include topical anaesthetic gels such as Bonjela, antiseptic mouthwashes, or corticosteroid-containing pastes for more severe ulcers. The right choice depends on the size, frequency, and cause of your ulcers. You can explore our oral health range for a broader selection of mouth ulcer treatments.

How long does it take for Orabase Protective Paste to work?

The protective film begins to form within a minute or two of application, and many people notice a reduction in discomfort fairly quickly once the barrier is in place. Full healing of the ulcer itself typically takes between seven and fourteen days, depending on its size and cause. Consistent use after meals and at bedtime gives the best results.

How long can I use Orabase Protective Paste for?

You can use Orabase Protective Paste until the ulcer heals, which is usually within one to two weeks. If you find yourself needing it continuously for longer than three weeks, this is a sign to speak to your GP or dentist. Prolonged or very frequent ulceration may point to a nutritional deficiency, immune issue, or another underlying cause.

Does Orabase Protective Paste contain a steroid?

No — standard Orabase Protective Paste does not contain a corticosteroid. It works purely as a physical barrier using carmellose sodium, gelatin, and pectin in a Plastibase vehicle. If you need a steroid-containing oral paste for more severe or persistent ulcers, speak to your GP, as these are typically prescription-only in the UK.

Can I eat and drink normally while using Orabase Protective Paste?

You should avoid eating or drinking for at least 30 minutes after applying the paste to allow the protective film to set properly. After that, you can eat and drink as normal, though very hot, spicy, or acidic foods may dislodge the barrier and irritate the ulcer. Applying the paste after meals rather than before helps it stay in place for longer.

Is Orabase Protective Paste the same as a mouth ulcer gel?

Not exactly — a paste and a gel have different consistencies and adhesion properties. Orabase Protective Paste is specifically formulated to adhere to moist oral mucosa and form a durable film, whereas many gels are thinner and may wash away more quickly. This makes the paste particularly useful for ulcers in areas subject to a lot of movement, such as the tongue or inner cheek.

What are the latest findings on mouth ulcer paste treatments?

Current clinical guidance continues to support barrier-forming pastes as a first-line self-care option for minor aphthous ulcers, particularly for patients who prefer to avoid steroids or anaesthetics. Research published in dental and oral medicine literature confirms that physical protection of the ulcer surface reduces pain scores and may support faster epithelial repair. For the most up-to-date NHS guidance, visit the dental products section or speak to your pharmacist.

How Should You Use Orabase Protective Paste?

Applying Orabase Protective Paste correctly makes a real difference to how well it works. The key is to apply it to a dry surface and press rather than rub — rubbing breaks down the paste before it can form its protective film. Follow these steps each time you use it.

What Is the Correct Dose of Orabase Protective Paste?

Use the smallest amount needed to cover the ulcer — typically a pea-sized quantity per application. Using more paste does not improve the protective effect and may make the texture in your mouth uncomfortable. The table below summarises the recommended dosing by indication and age group.

When Is the Best Time to Use Orabase Protective Paste?

The most effective times to apply Orabase Protective Paste are after meals and at bedtime. Applying after eating means the barrier is not immediately disrupted by food or drink, giving it the best chance to adhere and remain in place. The bedtime application is particularly valuable because saliva flow decreases overnight, allowing the protective film to stay intact for longer and support healing while you sleep.

Try to space your applications evenly throughout the day — for example, after breakfast, after your evening meal, and just before bed. Avoid applying immediately before eating, as chewing will dislodge the paste before it has had time to set.

How Long Can You Use Orabase Protective Paste For?

Continue using the paste until the ulcer has fully healed, which typically takes between seven and fourteen days for a minor aphthous ulcer. If your ulcer has not improved after three weeks of consistent use, stop self-treating and make an appointment with your GP or dentist. Persistent ulcers can occasionally indicate an underlying nutritional deficiency, immune condition, or — rarely — something that requires further investigation.

There is no strict maximum duration for using this paste, but it is not intended as a permanent solution. If you find yourself reaching for it very frequently, it is worth exploring the root cause of your recurrent ulcers with a healthcare professional.

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 Orabase Protective Paste?

Orabase Protective Paste is generally very well tolerated because it does not contain pharmacologically active ingredients such as steroids or anaesthetics. That said, applying any substance to already-sensitive oral tissue can occasionally cause a mild reaction. The most commonly reported effects are minor and usually resolve quickly.

  • Mild stinging or tingling sensation immediately after application
  • Temporary altered or slightly waxy taste in the mouth
  • A gritty or thick texture as the paste gradually dissolves

What Are the Less Common Side Effects of Orabase Protective Paste?

Less frequently, some people may notice localised irritation around the site of application. This is more likely if the surrounding tissue is already inflamed or if the paste is applied too vigorously. These effects are typically mild and short-lived.

  • Redness or increased sensitivity around the ulcer edge
  • Slight discomfort when the paste first contacts the wound surface
  • Difficulty speaking clearly immediately after application due to the paste's consistency

What Are the Serious Side Effects of Orabase Protective Paste?

Serious side effects are rare but possible, particularly in people who have an undiagnosed allergy to one of the ingredients — carmellose sodium, gelatin, or pectin. Gelatin is derived from animal collagen, which is worth noting if you have known sensitivities. Signs of a hypersensitivity or allergic reaction include swelling of the lips, tongue, or throat, spreading redness, hives, or a significant worsening of pain at the application site. If you experience any of these symptoms, stop using the paste immediately and seek urgent medical attention.

What Should You Do If You Experience Side Effects?

For mild side effects such as stinging or taste changes, no action is usually needed — these typically pass within a few minutes. If local irritation persists or worsens after a few days of use, stop applying the paste and speak to your pharmacist. They can help you decide whether to continue, switch to an alternative product, or refer you to your GP. Never ignore a reaction that seems to be getting worse rather than better.

You should also seek medical advice if your ulcer itself is not improving after two to three weeks, is growing in size, or is accompanied by other symptoms such as fever, difficulty swallowing, or swollen lymph nodes. These may indicate a condition that needs further assessment beyond self-care.

Can Orabase Protective Paste Interact With Other Medicines?

No significant drug interactions have been documented for Orabase Protective Paste. Because it acts as a physical barrier rather than being absorbed systemically, the risk of interaction with other medicines is very low. However, if you are using other topical oral preparations at the same time — such as antiseptic mouthwashes or medicated gels — apply them at separate times to avoid one product interfering with the adhesion of the other. Always tell your pharmacist about all medicines and products you are currently using, including over-the-counter items.

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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