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Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w

Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w

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  • ✔️ Benzocaine 10% numbs toothache directly at the source
  • ✔️ Starts working within minutes of application
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Provides temporary relief while awaiting dental treatment
  • ✔️ Compact gel tube for discreet, on-the-go use

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What Is Toothache Relief Gel and How Can It Help You?

 

Toothache can strike without warning — and when it does, even the simplest things like eating, drinking, or sleeping become genuinely difficult. Toothache relief gel containing benzocaine is one of the most widely used over-the-counter options for fast, temporary numbing of dental pain. Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w delivers a clinically recognised local anaesthetic directly to the source of discomfort, helping you manage pain while you wait for a dental appointment. You can find it alongside other dental products at Cured Pharmacy.

Toothache is one of the most common reasons people seek emergency dental care in the UK. The NHS notes that dental pain can range from mild sensitivity to severe, throbbing discomfort, often caused by tooth decay, a cracked tooth, or gum disease. Orajel's 10% benzocaine formulation is designed to act quickly on the affected area, providing localised relief without the need for a prescription.

 

How Does Orajel Dental Gel Work to Relieve Pain?

 

Benzocaine belongs to a class of medicines called local anaesthetics. It works by temporarily blocking the transmission of pain signals along nerve fibres in the mouth. Here's what happens when you apply the gel:

  • Benzocaine penetrates the mucous membrane of the gum or tooth socket.
  • It binds to sodium channels in the nerve cell membrane, preventing sodium ions from entering.
  • This stops the nerve from generating an electrical signal (action potential).
  • Pain signals cannot travel to the brain, so the area feels numb within minutes.
  • The effect is temporary — typically lasting 15–30 minutes per application.

It's worth noting that benzocaine works locally, meaning it doesn't enter the bloodstream in significant amounts when used as directed. This makes it suitable for short-term topical use in most adults.

 

Who Should Use Orajel Dental Gel?

 

This gel is intended for adults and young people aged 12 and over who are experiencing temporary dental pain. It's particularly useful in situations where you cannot get an immediate dental appointment. That said, it is a short-term measure — not a treatment for the underlying cause of toothache.

Orajel Dental Gel may be suitable if you:

  • Have a toothache caused by decay, a cracked tooth, or exposed root.
  • Are experiencing pain from a recently filled or extracted tooth.
  • Have sore or inflamed gums causing localised discomfort.
  • Need temporary relief while waiting for a dental appointment.

It is not suitable for children under 12, and you should always consult a dentist if pain persists beyond a few days.

 

How Does Orajel Dental Gel Compare to Other Toothache Remedies?

 

Feature Orajel Dental Gel (Benzocaine 10%) Oral Analgesics (e.g. Ibuprofen)
Mechanism Local anaesthetic — numbs the area directly Systemic anti-inflammatory — reduces pain and swelling
Onset of action Within minutes (topical) 20–30 minutes (oral)
Suitable for Ages 12 and over Ages vary by product; ibuprofen from age 3 months (weight-dependent)
Duration of effect 15–30 minutes per application 4–8 hours depending on formulation

 

Is Orajel Dental Gel Suitable for Long-Term Use?

 

No — and this is an important point. Orajel Dental Gel is designed for short-term, symptomatic relief only. Using any toothache relief gel repeatedly over several days without addressing the root cause is not advisable. Persistent toothache almost always signals an underlying dental problem — decay, infection, or structural damage — that requires professional treatment. If you find yourself reaching for the gel daily, book a dentist appointment as soon as possible.

For those managing other types of oral discomfort alongside dental pain, our pain relief collection includes a range of options to help you stay comfortable while you seek appropriate care.

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.

Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w specifications
Treatment category Dental pain relief
Mechanism of action Local anaesthetic — sodium channel blockade
Effective for Temporary relief of toothache and gum pain
Suitable for Adults and children aged 12 and over
Active ingredient Benzocaine 10% w/w
Strengths 10% w/w
UK classification General Sale List (GSL)
Drug class Local anaesthetic (ester-type)
Preparation Topical gel
Route of administration Topical (oral mucosa)

Specifications of Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w

 

What Is Orajel Dental Gel and What Is It Used For?

 

Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w is an over-the-counter topical local anaesthetic gel used to provide temporary relief from toothache and associated gum pain. It contains benzocaine at a concentration of 10% w/w, which is the active ingredient responsible for numbing the affected area. The gel is applied directly to the painful tooth or surrounding gum tissue and is intended for short-term use only.

According to the NHS, toothache is most commonly caused by tooth decay, a dental abscess, a cracked or damaged tooth, or gum disease. While Orajel Dental Gel can help manage the pain temporarily, it does not treat the underlying cause. Always seek dental advice if your toothache persists or worsens.

 

What Do You Need to Know Before Using Orajel Dental Gel?

 

Before using this gel, read the following carefully. There are situations where this product should not be used, and others where caution is needed.

Do not use Orajel Dental Gel if you:

  • Are allergic to benzocaine or any other local anaesthetic of the ester type.
  • Are allergic to any other ingredient in the formulation.
  • Are under 12 years of age.
  • Have a known condition called methaemoglobinaemia (a rare blood disorder).

Use with caution and speak to a pharmacist or doctor if you:

  • Are pregnant or breastfeeding.
  • Have open wounds, ulcers, or broken skin in the mouth.
  • Are taking medicines that may interact with local anaesthetics.
  • Have a history of allergic reactions to dental anaesthetics.

Known drug interactions:

  • Benzocaine at topical doses has no clinically significant interactions at recommended use levels.
  • If you are taking any prescribed medicines, check with your pharmacist before use.

 

How Should You Use Orajel Dental Gel?

 

Always use this product exactly as described in the patient information leaflet. Do not apply more than directed, and do not swallow the gel.

  1. Wash your hands thoroughly before application.
  2. Using a clean fingertip or cotton bud, apply a small pea-sized amount of gel to the affected tooth or gum.
  3. Gently massage the gel into the area for a few seconds.
  4. Avoid eating or drinking for at least 30 minutes after application to allow the gel to work.
  5. Repeat up to four times daily as needed, leaving adequate time between applications.
Indication Age Group Dose Frequency
Toothache / gum pain Adults and children 12+ Small pea-sized amount Up to 4 times daily
Not recommended Under 12 years

If you are also managing other types of discomfort, our oral health collection includes a range of products to support your dental wellbeing.

 

What Are the Possible Side Effects of Orajel Dental Gel?

 

Like all medicines, Orajel Dental Gel can cause side effects, although not everyone will experience them. Most side effects are mild and localised to the area of application.

Common side effects:

  • Mild burning or stinging sensation at the application site.
  • Temporary numbness spreading slightly beyond the treated area.
  • Localised redness or irritation of the gum tissue.

Less common side effects:

  • Allergic reaction — including rash, swelling, or difficulty breathing (seek immediate medical help).
  • Methaemoglobinaemia — a rare but serious condition where the blood's ability to carry oxygen is reduced; symptoms include pale or bluish skin, shortness of breath, and fatigue. Stop use immediately and seek emergency care.
  • Taste disturbance following application.

If you experience any unexpected or severe reaction, stop using the gel and contact your pharmacist or GP. The NHS advises that any signs of a serious allergic reaction require immediate medical attention.

 

How Should You Store Orajel Dental Gel?

 

Correct storage helps maintain the product's safety and effectiveness. Follow these guidelines:

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

If you're looking for other products to support your health at home, our first aid collection has a wide range of essentials for everyday use.

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 Orajel Dental Gel online in the UK?

You can buy Orajel Dental Gel Rapid Toothache Relief Benzocaine 10% w/w directly from Cured Pharmacy for £5.49, with no prescription required. It is classified as a General Sale List (GSL) medicine, meaning it is available over the counter. Browse our full range of dental products for more oral health solutions.

How does benzocaine in Orajel Dental Gel work to stop toothache?

Benzocaine is an ester-type local anaesthetic that works by blocking sodium channels in the nerve endings of the gum and tooth tissue. This prevents pain signals from being generated and transmitted to the brain, producing a numbing effect within minutes of application. The action is entirely localised — it does not enter the bloodstream in meaningful amounts when used as directed.

How do I apply Orajel Dental Gel step by step?

Wash your hands first, then apply a small pea-sized amount of gel to the affected tooth or gum using a clean fingertip or cotton bud. Gently massage it into the area for a few seconds and avoid eating or drinking for at least 30 minutes afterwards. Repeat up to four times daily as needed, but do not exceed this frequency.

How often can I use Orajel Dental Gel each day?

Orajel Dental Gel can be applied up to four times daily for adults and children aged 12 and over. Always leave a reasonable gap between applications and do not apply more gel than directed. If you find you need it more frequently, this is a sign you should see a dentist promptly.

What are the side effects of Orajel Dental Gel?

Most people tolerate Orajel Dental Gel well, but some may experience mild burning, stinging, or localised redness at the application site. Rarely, an allergic reaction to benzocaine can occur, causing swelling, rash, or breathing difficulty — stop use immediately and seek medical help if this happens. A very rare but serious risk is methaemoglobinaemia, which causes bluish skin and breathlessness and requires emergency care.

Is Orajel Dental Gel safe for children?

Orajel Dental Gel with 10% benzocaine is not recommended for children under 12 years of age. For younger children with dental pain, speak to a pharmacist or GP who can advise on age-appropriate alternatives. Never apply this product to an infant or toddler's gums.

Can I use Orajel Dental Gel during pregnancy or while breastfeeding?

If you are pregnant or breastfeeding, you should speak to your doctor or pharmacist before using Orajel Dental Gel. Topical benzocaine is absorbed in very small amounts, but professional guidance is always the safest approach during pregnancy. Your pharmacist can help you weigh up the benefits and any potential risks.

How long does Orajel Dental Gel take to work?

Orajel Dental Gel typically begins to numb the affected area within one to two minutes of application. The numbing effect generally lasts around 15 to 30 minutes, depending on the individual and the severity of the pain. Reapply as needed, up to four times daily.

How long can I keep using Orajel Dental Gel before seeing a dentist?

Orajel Dental Gel is intended for short-term, temporary relief only — it is not a substitute for dental treatment. If your toothache persists for more than a couple of days, or if it is accompanied by swelling, fever, or difficulty swallowing, contact your dentist urgently. Prolonged use without addressing the underlying cause can allow dental problems to worsen.

What are the alternatives to Orajel Dental Gel for toothache?

Alternatives include oral analgesics such as ibuprofen or paracetamol, which work systemically to reduce pain and inflammation. Clove oil (eugenol) is a traditional remedy with some evidence of local anaesthetic properties, though it is less standardised than benzocaine. You can explore our pain relief collection for other options suitable for dental discomfort.

Who is eligible to use Orajel Dental Gel?

Orajel Dental Gel is suitable for adults and young people aged 12 and over who are experiencing temporary toothache or gum pain. It is not suitable for those with a known allergy to benzocaine or other ester-type local anaesthetics, or for those with methaemoglobinaemia. If you are unsure whether this product is right for you, speak to your pharmacist before purchasing.

What happens if I accidentally swallow Orajel Dental Gel?

Swallowing a small amount of the gel accidentally is unlikely to cause serious harm, but it is not intended for ingestion. If a large amount is swallowed, or if a child swallows any amount, contact NHS 111 or your nearest A&E immediately. Always keep the tube out of reach of children and store it safely after use.

Can I use Orajel Dental Gel on a dental abscess?

Orajel Dental Gel may temporarily ease the pain associated with a dental abscess, but it will not treat the infection itself. A dental abscess is a serious condition that requires prompt professional treatment, usually antibiotics and drainage by a dentist. Do not rely on toothache relief gel as a substitute for urgent dental care in this situation.

Are there any latest studies on benzocaine dental gels?

Benzocaine has been used as a topical local anaesthetic for decades and its efficacy for short-term dental pain relief is well established in clinical literature. Ongoing regulatory attention has focused on the rare risk of methaemoglobinaemia, particularly with higher concentrations and in young children — which is why the 10% formulation is restricted to those aged 12 and over in the UK. Always follow current product labelling and NHS guidance for the safest use.

How should I store Orajel Dental Gel to keep it effective?

Store Orajel Dental Gel below 25°C in a cool, dry place away from direct sunlight and heat. Keep the cap tightly closed between uses and always check the expiry date before applying. Do not store in a bathroom cabinet where heat and humidity can affect the product's stability.

How Should You Use Orajel Dental Gel?

Using Orajel Dental Gel correctly makes a real difference to how well it works. Always wash your hands before and after application, and make sure the area you are treating is as dry as possible — this helps the gel adhere to the gum tissue rather than being diluted by saliva.

Follow these steps for correct application:

What Is the Correct Dose of Orajel Dental Gel?

The correct dose depends on your age. Only a small amount is needed each time — using more does not increase the numbing effect and may increase the risk of side effects. Always follow the patient information leaflet included with the product.

When Is the Best Time to Use Orajel Dental Gel?

Apply the gel whenever toothache pain becomes difficult to manage — many people find it most useful before meals, when chewing can aggravate dental pain, or at night when discomfort tends to feel more intense. It can also be helpful to apply it shortly before a dental appointment if you are anxious about pain during examination.

Try to space applications evenly throughout the day rather than applying multiple doses in quick succession. If pain is severe or constant, this is a sign that you need urgent dental attention rather than repeated gel applications.

How Long Can You Use Orajel Dental Gel For?

Orajel Dental Gel is intended for short-term use only — typically no more than a few days while you arrange a dental appointment. It is not designed to be used as an ongoing solution for chronic dental pain. If you are still relying on the gel after three to four days without improvement, contact your dentist as soon as possible, as the underlying cause of your toothache will need professional treatment.

Prolonged or excessive use of topical benzocaine is not recommended and may increase the risk of local irritation or, in rare cases, more serious effects. Use the minimum effective amount for the shortest time necessary.

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 Orajel Dental Gel?

Most people who use Orajel Dental Gel do not experience significant side effects. However, because benzocaine is applied directly to sensitive oral tissue, some localised reactions can occur. These are generally mild and resolve quickly once the gel wears off.

  • Mild burning or stinging sensation immediately after application.
  • Temporary numbness extending slightly beyond the treated area.
  • Localised redness or irritation of the gum tissue.
  • Altered taste sensation for a short period after use.

What Are the Less Common Side Effects of Orajel Dental Gel?

Less commonly, some individuals may experience reactions that go beyond mild local irritation. These are worth being aware of, particularly if you have a history of sensitivity to local anaesthetics.

  • Persistent or worsening irritation at the application site.
  • Swelling of the gum or surrounding soft tissue.
  • Skin rash or hives in or around the mouth.
  • Unusual taste disturbance lasting beyond the period of numbness.

What Are the Serious Side Effects of Orajel Dental Gel?

Serious side effects are rare but require immediate medical attention if they occur. The most significant risk associated with benzocaine-containing products is methaemoglobinaemia — a condition in which the blood's ability to carry oxygen is reduced. This is more likely with excessive use or in individuals with certain genetic conditions.

Symptoms of methaemoglobinaemia include pale, grey, or bluish skin (particularly around the lips and fingernails), shortness of breath, rapid heart rate, and unusual fatigue. If you or someone else experiences these symptoms after using this gel, call 999 or go to your nearest A&E immediately. Allergic reactions — including facial swelling, difficulty breathing, or anaphylaxis — are also rare but serious and require emergency care.

What Should You Do If You Experience Side Effects?

If you notice any mild side effects such as localised stinging or redness, stop using the gel and allow the area to settle. Rinsing gently with cool water may help. For any reaction that seems unusual, worsens, or does not resolve, contact your pharmacist or GP for advice.

Do not continue using the gel if you suspect an allergic reaction. Signs of allergy — including itching, swelling, or difficulty breathing — require prompt medical attention. Always report unexpected reactions to your healthcare provider so they can be documented appropriately.

Can Orajel Dental Gel Interact With Other Medicines?

At the low doses used topically, benzocaine has no clinically significant interactions with most common medicines. However, if you are taking medicines that affect the blood's oxygen-carrying capacity — such as certain antibiotics or antimalarials — there may be a theoretical increased risk of methaemoglobinaemia. Always inform your pharmacist of all medicines you are taking, including over-the-counter products and supplements, before starting any new treatment.

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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