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Bazuka Verruca Extra Strength Gel - 5g

Bazuka Verruca Extra Strength Gel - 5g

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  • ✔️ Targets stubborn verrucas with 26% salicylic acid
  • ✔️ Breaks down hardened verruca skin layer by layer
  • ✔️ Suitable for adults and children aged 2 and over
  • ✔️ Precise gel applicator minimises contact with healthy skin
  • ✔️ Clinically established first-line verruca treatment

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What Is Bazuka Verruca Extra Strength Gel?

 

Verrucas are one of those things that seem minor — until they're not. That hard, sometimes painful lump on the sole of your foot can make every step uncomfortable, and over-the-counter options can feel overwhelming. Bazuka Verruca Extra Strength Gel is a clinically established topical treatment containing 26% salicylic acid, designed to tackle stubborn verrucas and warts that haven't responded to milder remedies. It's available without a prescription and is one of the most widely used verruca treatments in the UK. You can browse the full range of foot care products at Cured Pharmacy's foot care collection if you're looking for additional support alongside treatment.

Verrucas are caused by the human papillomavirus (HPV), which infects the outer layer of skin — most commonly on the soles of the feet. They're highly contagious in communal areas like swimming pools and changing rooms. The NHS notes that most verrucas clear up on their own, but treatment is recommended when they're painful, spreading, or persistent.

 

How Does Bazuka Extra Strength Gel Work?

 

The active ingredient, salicylic acid at 26%, is a keratolytic agent. In plain terms, it softens and dissolves the hardened, thickened skin that forms over a verruca, gradually exposing and destroying the infected tissue beneath. Here's how the mechanism works:

  • Salicylic acid disrupts the bonds holding together the outer layers of skin (keratinocytes), causing them to shed.
  • This repeated shedding removes the infected skin cells layer by layer over time.
  • The gel formulation helps the acid stay precisely on the verruca, reducing spread to healthy surrounding skin.
  • Filing between applications removes dead tissue and allows deeper penetration with each subsequent dose.

It's a straightforward process, but it does require patience and consistency. Missing applications significantly slows progress.

 

Who Should Use Bazuka Extra Strength Gel?

 

This product is suitable for adults and children aged 2 years and over. It's particularly well-suited to people who have already tried standard-strength treatments without success, or those dealing with larger, more deeply embedded verrucas. That said, it's not appropriate for everyone.

This gel is a good option for:

  • Adults with persistent or painful verrucas on the feet or hands
  • Children aged 2 and over (with adult supervision)
  • People who prefer a targeted gel application over cryotherapy or plasters
  • Those looking for a pharmacy-available treatment without a GP visit

It is not suitable for use on the face, genitals, or broken skin. People with diabetes or circulatory problems should speak to a GP before using any salicylic acid product, as reduced sensation in the feet can make it harder to detect skin damage.

 

How Does Bazuka Extra Strength Gel Compare to Other Verruca Treatments?

 

Feature Bazuka Extra Strength Gel Standard Bazuka Gel
Active ingredient Salicylic acid 26% Salicylic acid 12%
Suitable for Stubborn, persistent verrucas Mild to moderate verrucas
Application method Topical gel, once daily Topical gel, once daily
Age suitability 2 years and over 2 years and over

 

Is Bazuka Extra Strength Gel Safe to Store at Home?

 

Yes — but there are a few important points to keep in mind. The gel is flammable due to its solvent base, so it must be kept away from heat sources and naked flames. Store it below 25°C, in a cool dry place, and always replace the cap tightly after use to prevent the gel from drying out. Keep it out of reach of children, even though the product itself is used to treat children. If you're also managing a skin condition alongside your verruca treatment, you might find it helpful to explore Cured Pharmacy's skin care range for complementary products.

This verruca gel should not be used near the eyes or mouth. If accidental contact occurs, rinse thoroughly with water. The product is for external use only.

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.

Bazuka Verruca Extra Strength Gel 5g specifications
Treatment category Verruca and wart treatment
Active ingredient Salicylic acid 26% w/w
Mechanism of action Keratolytic — softens and removes hardened skin
Suitable for Adults and children aged 2 years and over
Pack size 5g
Strength 26% salicylic acid
UK classification General Sale Medicine (GSL)
Drug class Keratolytic agent
Preparation Topical gel
Route of administration Topical (external use only)

Specifications of Bazuka Verruca Extra Strength Gel 5g

 

What Is Bazuka Extra Strength Gel and What Is It Used For?

 

Bazuka Extra Strength Gel is an over-the-counter topical medicine used to treat verrucas and warts. It contains 26% salicylic acid as its active ingredient, which works by breaking down the thickened skin associated with these viral skin lesions. Verrucas — also called plantar warts — are caused by certain strains of the human papillomavirus (HPV) and typically appear on the soles of the feet. Warts can also appear on the hands and fingers. This verruca gel is intended for use when standard-strength treatments have not been effective, or when the verruca is particularly stubborn or deep-rooted.

 

What Do You Need to Know Before Using Bazuka Extra Strength Gel?

 

Before you start using this product, it's important to check whether it's appropriate for your situation. Do not use Bazuka Extra Strength Gel if any of the following apply:

  • You are allergic to salicylic acid or any other ingredient in the gel
  • The skin around the verruca is broken, inflamed, or infected
  • You want to treat a lesion on your face, genitals, or anal area
  • You have diabetes or poor circulation — salicylic acid can cause skin damage that may go unnoticed
  • The child to be treated is under 2 years of age
  • You are pregnant or breastfeeding — consult your GP or pharmacist first

There are no known significant drug interactions with topical salicylic acid at this concentration. However, if you are using other topical medicines on the same area, speak to your pharmacist before combining treatments. If you're also dealing with a fungal skin infection alongside your verruca, it may be worth checking out the athletes foot and fungal infections range at Cured Pharmacy for appropriate treatment options.

 

How Should You Use Bazuka Extra Strength Gel?

 

Consistent daily application is essential for this treatment to work. Follow these steps carefully each time:

  1. Soak the affected area in warm water for 2–3 minutes to soften the skin.
  2. Dry the area thoroughly with a clean towel or tissue.
  3. Using the applicator, apply a thin layer of gel directly onto the verruca only — avoid surrounding healthy skin.
  4. Allow the gel to dry completely (this takes approximately 1–2 minutes).
  5. Cover with a plaster or dressing if desired.
  6. The following day, gently file away the white, dead skin using an emery board or pumice stone before repeating the process.
  7. Do not share your emery board with others — this can spread the virus.

Apply once daily, preferably at night. The dosage guidance below applies to both verrucas and common warts:

Indication Age Group Dose Frequency
Verruca / plantar wart Adults and children 2+ Thin layer to affected area only Once daily
Common wart (hand/finger) Adults and children 2+ Thin layer to affected area only Once daily
Children under 2 Not applicable Do not use

 

What Are the Possible Side Effects of Bazuka Extra Strength Gel?

 

Like all medicines, Bazuka Extra Strength Gel can cause side effects, although not everyone experiences them. Because salicylic acid is a keratolytic, some degree of local skin reaction is expected and is part of how the treatment works.

Common side effects:

  • Mild stinging or burning at the application site
  • Redness of the skin immediately around the treated area
  • Skin dryness or peeling beyond the verruca

Less common side effects:

  • Blistering or erosion of healthy skin if the gel spreads
  • Allergic contact dermatitis (rash, itching, swelling) — rare
  • Prolonged soreness if the gel is applied too thickly or too frequently

If you notice significant irritation, blistering, or signs of infection (warmth, pus, increasing pain), stop using the gel and seek advice from a pharmacist or GP. Do not apply to broken or infected skin under any circumstances.

 

How Should You Store Bazuka Extra Strength Gel?

 

Correct storage keeps the gel effective and safe throughout the treatment course. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Keep away from heat sources, direct sunlight, and naked flames — the gel is flammable
  • Always replace the cap tightly after each use to prevent the gel from drying out
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not dispose of via wastewater or household waste — return unused medicine to your pharmacist

If you're managing multiple foot conditions at once, you may also find useful products in the creams and ointments collection at Cured Pharmacy.

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 Bazuka Extra Strength Gel online in the UK?

You can buy Bazuka Verruca Extra Strength Gel 5g directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for £8.99. It's available without a prescription and dispatched quickly to your door. No GP appointment needed — just add to basket and check out.

How does Bazuka Extra Strength Gel work on verrucas?

The gel contains 26% salicylic acid, a keratolytic agent that softens and breaks down the hardened skin overlying a verruca. This allows the infected tissue to be gradually removed through daily filing and reapplication. Over several weeks, the verruca shrinks and eventually clears.

How do I use Bazuka Extra Strength Gel step by step?

Follow these steps each day:

  1. Soak the area in warm water for 2–3 minutes.
  2. Dry thoroughly.
  3. Apply a thin layer of gel to the verruca only.
  4. Let it dry, then cover with a plaster.
  5. The next day, file away dead skin before repeating.

Consistency is key — missing days will slow your progress significantly.

How long does Bazuka Extra Strength Gel take to clear a verruca?

Treatment typically takes several weeks, and the NHS advises that verruca treatments can take up to 3 months to fully clear the lesion. Larger or more deeply embedded verrucas may take longer. Daily application without gaps gives you the best chance of success.

Can children use Bazuka Extra Strength Gel?

Yes — Bazuka Extra Strength Gel is suitable for children aged 2 years and over, but application should always be supervised by an adult. Children under 2 must not use this product. If you're unsure whether it's appropriate for your child, speak to a pharmacist before starting treatment.

What are the side effects of Bazuka Extra Strength Gel?

The most commonly reported side effects include:

  • Mild stinging or burning at the application site
  • Redness or dryness of surrounding skin
  • Skin peeling beyond the treated area

If you experience blistering, significant pain, or signs of infection, stop use and consult your pharmacist or GP promptly.

Is Bazuka Extra Strength Gel safe to use during pregnancy?

There is limited safety data on topical salicylic acid use during pregnancy. It's always best to speak to your GP or midwife before using any medicated product while pregnant or breastfeeding. Your pharmacist can also advise on safer alternatives if needed.

What is the difference between Bazuka Gel and Bazuka Extra Strength Gel?

Standard Bazuka Gel contains 12% salicylic acid and is suited to milder or more sensitive cases. Bazuka Extra Strength Gel contains 26% salicylic acid and is designed for more stubborn, persistent verrucas that haven't responded to lower-strength treatments. Both are applied topically once daily.

Can I use Bazuka Extra Strength Gel on warts on my hands?

Yes — this verruca gel is also licensed for use on common warts, including those on the hands and fingers. Apply the same method as for verrucas: soak, dry, apply, let dry, and file the following day. Do not use on facial warts or genital warts.

What happens if I accidentally apply Bazuka Extra Strength Gel to healthy skin?

Salicylic acid can irritate and damage healthy skin if applied incorrectly. If this happens, wipe away the gel immediately and rinse the area with water. Applying petroleum jelly (such as Vaseline) around the verruca before treatment can help protect the surrounding skin during application.

Who should not use Bazuka Extra Strength Gel?

This product is not suitable for:

  • Children under 2 years of age
  • People with diabetes or poor circulation
  • Anyone with broken, infected, or inflamed skin at the site
  • Use on the face, genitals, or anal area

If any of these apply to you, speak to your GP or pharmacist before using this product.

How long can I use Bazuka Extra Strength Gel for?

The product can be used for up to 3 months. If the verruca has not cleared after this time, stop treatment and consult your GP, as further investigation or alternative treatments such as cryotherapy may be needed. Do not continue indefinitely without professional review.

What are the alternatives to Bazuka Extra Strength Gel for verrucas?

Alternatives include standard-strength salicylic acid products, cryotherapy (freezing) available at some pharmacies and GP surgeries, and duct tape occlusion therapy. For persistent or painful verrucas, your GP may refer you for specialist treatment. You can explore related foot care products at Cured Pharmacy for additional options.

Is Bazuka Extra Strength Gel flammable?

Yes — the gel contains a flammable solvent base. Keep it away from naked flames, heat sources, and do not smoke while applying it. Store below 25°C and always replace the cap tightly after use. This is a standard precaution for many topical gel formulations.

What does the latest research say about salicylic acid for verrucas?

Salicylic acid remains one of the most evidence-supported first-line treatments for verrucas and warts. A Cochrane review found that salicylic acid preparations showed a significantly higher cure rate compared to placebo. The NHS continues to recommend it as a first-line self-care option before considering cryotherapy. You can also find complementary skin care products at Cured Pharmacy to support skin recovery after treatment.

How Should You Use Bazuka Extra Strength Gel?

Using Bazuka Extra Strength Gel correctly makes a real difference to how quickly your verruca clears. The process is straightforward, but it does need to be done carefully every day. Applying the gel to healthy skin around the verruca can cause irritation, so precision matters — consider applying a thin ring of petroleum jelly around the lesion before you start to protect the surrounding area.

Never share your emery board with other people, as this can spread the HPV virus that causes verrucas.

What Is the Correct Dose of Bazuka Extra Strength Gel?

The dose is the same for all eligible users — a thin layer applied once daily to the affected area only. There is no benefit to applying more gel or applying it more frequently; doing so increases the risk of skin irritation without speeding up the treatment. The table below summarises dosage guidance:

When Is the Best Time to Use Bazuka Extra Strength Gel?

Applying the gel at night is generally the most practical approach. This gives the salicylic acid several hours of uninterrupted contact with the verruca while you sleep, and means you can file away the softened skin the following morning as part of your routine. Evening application also reduces the chance of the gel being rubbed off by footwear or activity during the day.

Try to apply it at roughly the same time each evening to build a consistent habit — consistency is one of the most important factors in how quickly the verruca responds to treatment.

How Long Can You Use Bazuka Extra Strength Gel For?

You can use Bazuka Extra Strength Gel for up to 3 months. Most verrucas will respond within this timeframe with daily use, though some may clear sooner. If the verruca has not improved after 3 months of consistent treatment, stop using the gel and consult your GP. They may recommend cryotherapy or refer you for further assessment.

Do not continue using the product beyond 3 months without seeking professional advice, even if the verruca appears to be improving slowly.

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 Bazuka Extra Strength Gel?

Because Bazuka Extra Strength Gel contains 26% salicylic acid — a keratolytic agent — some degree of local skin reaction is expected and is actually part of how the treatment works. The acid softens and breaks down skin tissue, so mild irritation at the application site is normal. Common side effects include:

  • Mild stinging or burning sensation immediately after application
  • Redness of the skin directly around the treated area
  • Dryness or flaking of the skin near the verruca
  • Temporary whitening of the treated skin (this is normal and expected)

These effects are generally mild and settle quickly. If they feel manageable, you can continue treatment as directed.

What Are the Less Common Side Effects of Bazuka Extra Strength Gel?

Less commonly, some people experience more noticeable reactions, particularly if the gel spreads beyond the verruca onto healthy skin. These include:

  • Blistering or erosion of healthy skin adjacent to the treated area
  • Prolonged soreness or tenderness at the application site
  • Skin cracking or rawness if the gel is applied too thickly
  • Allergic contact dermatitis — presenting as an itchy rash, swelling, or hives (rare)

To reduce the risk of these reactions, apply the gel precisely to the verruca only and use petroleum jelly on the surrounding skin as a barrier before each application.

What Are the Serious Side Effects of Bazuka Extra Strength Gel?

Serious side effects are uncommon with topical salicylic acid used as directed. However, you should stop using the gel immediately and seek medical advice if you notice any of the following:

  • Signs of skin infection at the treatment site — including increasing warmth, swelling, pus, or a spreading redness
  • Severe allergic reaction — including facial swelling, difficulty breathing, or widespread rash (seek emergency help immediately)
  • Significant pain or skin breakdown that extends well beyond the verruca

People with diabetes or peripheral vascular disease are at higher risk of undetected skin damage due to reduced sensation in the feet. These individuals should not use this product without first consulting their GP.

What Should You Do If You Experience Side Effects?

For mild irritation, reduce the frequency of filing and ensure you are applying the gel as thinly as possible. If the surrounding skin becomes sore, take a one or two day break from treatment to allow it to recover before resuming. For more significant reactions — particularly blistering, infection, or signs of an allergic response — stop using the gel and contact your pharmacist or GP for guidance.

Do not attempt to treat an infected verruca with this product. Infection requires separate medical management before any keratolytic treatment can safely resume.

Can Bazuka Extra Strength Gel Interact With Other Medicines?

There are no known clinically significant drug interactions with topical salicylic acid at the concentration found in this product. However, you should avoid applying other topical medicines to the same area at the same time unless specifically advised by a healthcare professional. Using multiple keratolytic or exfoliating products simultaneously on the same site can increase the risk of skin damage and irritation.

If you are taking any prescribed medicines or have a skin condition being managed by a dermatologist, always mention that you are using this product during consultations.

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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