Mr Stuart A Metcalfe BSc(Hons), MPhil, FRCPodS
FELLOW ROYAL COLLEGE OF PODIATRY
THE MOST ADVANCED TREATMENT FOR
WARTS & VERRUCAE
SWIFT Treatment from the Foot Consultant
What Are Warts and Verrucae?
Warts and verrucae are small, rough growths on the skin caused by the Human Papillomavirus (HPV). While they are essentially the same thing, the term "verruca" is typically used for warts that appear on the soles of the feet, often growing inwards due to pressure from walking, which can make them quite uncomfortable. Warts can appear anywhere on the body, including hands, fingers, and even faces.
While generally harmless, they are contagious and can spread to other parts of your body or to other people. Many traditional treatments can be lengthy, painful, or leave scarring.
Limitations of Traditional Wart Treatments
For decades, common wart and verruca treatments have included methods that can be painful, require multiple appointments, and often have limited success rates, sometimes leading to discomfort and disappointment.
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Topical Acids (e.g., Salicylic Acid): These over-the-counter or prescribed solutions work by chemically burning away the wart layer by layer. While accessible, they often require daily application for weeks or even months, with success rates varying widely, often below 50%. They can also irritate surrounding healthy skin.
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Cryosurgery (Freezing): This involves applying liquid nitrogen to the wart to freeze and destroy the affected tissue. Cryosurgery can be painful, often requires multiple sessions, and can lead to blistering, scarring, or nerve damage. Success rates are typically around 50-70% but can be lower for stubborn warts. A review in the Journal of Foot and Ankle Research (2014) highlighted the variability and potential for adverse effects with cryotherapy.
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Needling (Falknor's Needling): This procedure involves repeatedly puncturing the wart with a fine needle to stimulate an immune response. While it can be effective for some, it is an invasive procedure requiring local anaesthetic, carries a risk of infection, and can cause significant post-treatment discomfort. Clinical studies show success rates around 60-70%, but the invasiveness can be a deterrent.
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Electrocautery (Burning): This method uses heat to burn off the wart. It is often performed under local anaesthetic and can be effective, but it carries a higher risk of scarring, can be painful during recovery, and may lead to pigment changes in the skin. The British Association of Dermatologists guidelines note the potential for scarring and pain with destructive methods like electrocautery.
These older treatments, while sometimes effective, often involve discomfort, extended recovery, and inconsistent results, leaving many patients seeking a more advanced solution.
SWIFT Microembolization: The Advanced Solution
When it comes to effectively treating warts and verrucae, you want a solution that is fast, safe, and highly successful. This is where SWIFT Microembolization stands out as the most advanced and effective treatment available today. SWIFT uses precisely controlled microwave energy to target and eliminate the virus that causes warts and verrucae. This innovative technology has revolutionized treatment, offering a superior alternative to older methods.
What to Expect at Your First Appointment:
Full Medical History & Previous Treatments:
We begin with a thorough discussion of your general health, any relevant medical conditions, and a detailed review of your wart or verruca history. This includes understanding when the lesion first appeared, how it has evolved, and any previous treatments you may have tried. This helps us tailor the SWIFT treatment plan specifically for you.
Dermatoscope Examination:
A crucial part of your initial consultation involves a meticulous examination of your wart(s) or verruca(e) using a specialized tool called a Dermatoscope. This advanced, non-invasive device allows us to magnify and illuminate the lesion, providing a detailed view of its structure beneath the surface.
Why is this important? While most skin growths are benign, a Dermatoscope examination is vital to accurately confirm that the lesion is indeed a wart or verruca and not anything more serious or "sinister." This essential diagnostic step ensures your safety and that SWIFT is the appropriate and safest course of action.
Your First SWIFT Treatment:
Once we've confirmed the diagnosis and discussed your treatment plan, we generally proceed with administering your first SWIFT treatment during this initial appointment. The SWIFT procedure involves applying precise microwave energy to the affected area. It is a quick and highly targeted treatment that is very well tolerated by most patients, often described as a brief sensation similar to a pinprick or mild warmth. We will guide you through each step, ensuring you feel comfortable and informed throughout the process.
This initial appointment ensures you receive the safest, most effective, and personalized care on your path to resolving your warts /verrucae.
Follow-up SWIFT Treatment:
You will be reviewed 4-6 weeks following your initial treatment. We may take further clinical images to assess response. Most people require three some times four treatments before resolution of the lesions is seen.
Your Questions About SWIFT Treatment Answered: Evidence & Safety
We understand you may have questions about SWIFT Microembolization, and we're here to provide clear, helpful answers to help you feel confident and informed, supported by clinical evidence.
Q: What exactly is SWIFT treatment?
A: SWIFT is a revolutionary, non-invasive technology that uses precisely controlled microwave energy to treat warts and verrucae. The microwaves target the water molecules within the infected skin cells, rapidly heating and destroying the underlying HPV virus, which causes the wart. This targeted approach minimizes damage to surrounding healthy tissue.
Q: Is SWIFT treatment safe?
What's the evidence? A: Yes, SWIFT is considered an exceptionally safe treatment. Its safety profile is a key advantage, especially when compared to more invasive or destructive traditional methods.
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Targeted Energy: The microwave energy used in SWIFT is highly focused and only penetrates a few millimeters into the skin, precisely targeting the wart's infected tissue. It does not spread throughout the body or cause systemic side effects.
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Extensive Use: SWIFT has been used in hundreds of thousands of treatments globally with an excellent safety record. Post-market surveillance has consistently demonstrated low rates of adverse events, primarily limited to temporary discomfort during or immediately after treatment.
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No Ionizing Radiation: Crucially, SWIFT uses non-ionizing microwave energy, which means it does not cause DNA damage associated with X-rays or other forms of ionizing radiation.
Q: How effective is SWIFT treatment? What's the evidence?
A: SWIFT boasts an impressive success rate of over 80%, making it one of the most effective treatments available for warts and verrucae.
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Clinical Studies: Numerous independent clinical studies have evaluated SWIFT's efficacy. For instance, a multi-centre study published in the Journal of Clinical and Aesthetic Dermatology highlighted high clearance rates, particularly for plantar warts, with patients typically requiring 2-3 treatments.
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Superior to Traditional Methods: Research consistently shows SWIFT outperforming many traditional treatments like cryotherapy and topical acids, which often have success rates ranging from 30-70% and frequently require prolonged treatment courses. The precision of SWIFT’s microwave energy often leads to a more robust immune response and faster resolution.
Q: What does a SWIFT treatment session feel like? Is it painful?
A: Most patients describe the sensation during a SWIFT treatment as a brief, sharp "hot spot" or a mild ache, similar to a pinprick, lasting only a few seconds per application. The pain is usually very short-lived and subsides immediately after the microwave energy stops. Unlike many other treatments, no anaesthetic is typically required, and patients can tolerate the discomfort due to its fleeting nature.
Q: How long does each SWIFT session take?
A: SWIFT is a very quick procedure. Each application of microwave energy lasts only a few seconds, and a typical treatment session, including preparing the area, usually takes just 5-10 minutes. This makes it easy to fit into a busy schedule.
Q: How many SWIFT treatments will I need?
A: The number of treatments can vary depending on the size, location, and how long you've had the wart or verruca. Typically, a course of 2-3 treatments, spaced approximately 4-6 weeks apart, is recommended for optimal results, allowing the body's immune response to fully activate.
Q: Are there any side effects or downtime after SWIFT treatment?
A: One of the significant advantages of SWIFT is the minimal downtime. There are usually no dressings required, and you can typically resume normal activities, including walking and exercise, immediately after treatment. Some patients might experience mild tenderness or a dull ache in the treated area for a day or two, but this usually resolves quickly. Blistering is rare but can occur in sensitive areas.
Q: Can children receive SWIFT treatment?
A: SWIFT is often well-tolerated by children due to the speed of the treatment and the immediate resolution of discomfort. While the sensation can be sharp, its brevity often makes it preferable to prolonged or painful traditional treatments like cryotherapy. However, individual patient tolerance is always assessed during consultation.
Q: Is SWIFT suitable for patients with diabetes?
A: SWIFT is generally considered a safe option for diabetic patients, particularly when compared to treatments that carry a higher risk of ulceration, infection, or nerve damage (like cryotherapy or aggressive acids). The non-invasive nature and precise depth of penetration make it a controlled option. However, careful assessment of circulation and sensation in the feet is always performed during the initial consultation to ensure it is appropriate for the individual.
Q: Why should I choose SWIFT over traditional treatments like cryotherapy or acids?
A: SWIFT offers several key advantages supported by evidence: it's truly non-invasive, boasts a high success rate (80%+), requires no anaesthetic or dressings, involves quick sessions, and has a significantly reduced risk of scarring or infection compared to more destructive methods. It directly addresses the root cause (the virus) with precision, leading to effective and efficient resolution.