Do Verrucas Hurt? Why They Cause Pain and What to Do

Verrucas often hurt, and the pain tends to be a sharp or burning sensation underfoot that worsens when you walk, stand, or press on the area. Unlike warts on hands or fingers, which may cause nothing more than cosmetic annoyance, verrucas sit on the sole of the foot where your full body weight drives them deeper into the skin with every step. That inward growth is the main reason they can feel like stepping on a small stone, and the discomfort can range from barely noticeable to genuinely limiting depending on the wart’s size, location, and how long it has been there.

What Makes Verrucas Painful

A verruca is a plantar wart caused by certain strains of human papillomavirus (HPV), most commonly types 1, 2, and 4. The virus gets in through tiny breaks in the skin and infects the cells in the outermost layer of the epidermis. Once established, it triggers widespread disruption of normal skin-cell development and causes tenderness in the affected tissue.¹ But the virus alone is only half the story. What turns a verruca from a lump into a pain source is its location on a weight-bearing surface.

On a hand or knee, a wart grows outward. On the sole of the foot, constant pressure from standing and walking pushes the growth inward, compressing nerve endings in the deeper layers of skin. The result is a callus-like dome on the surface with a cone of hardened tissue driving down underneath it. That cone acts almost like a tack pressing into your foot from inside. Verrucas near the ball of the foot or under the heel tend to be the worst offenders because those areas absorb the most force during walking. One on the arch or the side of the foot may barely register.

Pinching the verruca from side to side typically reproduces the pain, which is one way to distinguish it from a corn, where direct downward pressure is more uncomfortable. If your verruca is in a cluster (sometimes called a mosaic wart), the area of discomfort can be larger, and the overlapping growths can make the whole patch tender.

How to Tell It Is Actually a Verruca

Not every painful spot on the sole of your foot is a verruca. Corns, calluses, and even healed warts can look similar, and the confusion matters because the treatments are different. The most reliable visual clue is the presence of tiny dark dots on or just below the surface of the lesion. These are small capillaries that have clotted (thrombosed) inside the wart, and shaving away a thin layer of the overlying hard skin makes them more visible.² A corn or callus won’t have those dots. Corns also tend to have a smooth, translucent center, while verrucas interrupt the normal skin lines (the ridges that form your footprint) and look like a rough, stippled patch.

Another practical test: squeeze the lesion between your thumb and forefinger rather than pressing straight down. A verruca usually hurts more with lateral pressure, while a corn hurts more with direct vertical pressure. If you are still unsure, a podiatrist or dermatologist can pare away the surface layer in the office. The exposed thrombosed capillaries are unmistakable once the hard skin is trimmed, though in some cases even clinicians find it difficult to differentiate between the two with the naked eye.²

Do They Go Away Without Treatment

Many verrucas do eventually clear on their own, which is why some clinicians take a wait-and-see approach, especially in children. The clearance depends on your immune system recognizing and attacking the infected cells. Cell-mediated immunity, the branch of the immune system that targets virus-infected cells directly, appears to be the key player. People whose cell-mediated immune responses are impaired tend to develop more warts and have a harder time clearing them than people whose immune systems are functioning normally.³

The timeline for spontaneous resolution is highly variable. In children, the majority of warts clear within two years. In adults, clearance rates are lower and the process slower, which is partly why adults are more likely to seek active treatment. If a verruca is not causing pain and is not growing or spreading, waiting is a reasonable option. The moment it starts interfering with walking or daily activity, most people (understandably) want it gone.

Salicylic Acid as the Standard First Step

Over-the-counter salicylic acid preparations are the most common starting treatment for verrucas. They come as liquids, gels, medicated pads, and concentrated pastes. The way salicylic acid works is straightforward: it breaks down the cement that holds dead skin cells together in the tough outer layer of skin, causing those cells to detach and peel away.⁴ Applied repeatedly over weeks, salicylic acid gradually dissolves the thickened verruca tissue layer by layer. Even relatively low concentrations speed up the shedding of that outer skin.⁵

The practical routine matters as much as the product you choose. Soaking the foot in warm water for five to ten minutes softens the hard cap of dead skin on the verruca. Then filing or scraping away the softened white tissue with a pumice stone or emery board exposes fresher layers for the acid to penetrate. Apply the salicylic acid to the verruca and cover with a plaster or tape. Repeat daily or every other day. Treatment times of six to twelve weeks are normal, and many people give up too soon. The process is rarely painful on its own, though removing too much healthy skin around the verruca can cause some stinging.

One note on pain during treatment: as the salicylic acid thins the hard cap of the verruca, you may actually feel increased tenderness underfoot for a day or two before the next layer is filed away. This is not a sign that the treatment is making things worse. It means the protective callus layer is thinner and the deeper tissue is more exposed temporarily.

Cryotherapy and Why It Hurts

When salicylic acid alone does not clear a verruca, cryotherapy (freezing with liquid nitrogen) is the next common step, usually performed by a healthcare provider. The liquid nitrogen is applied with a spray gun or a cotton-tipped applicator and rapidly lowers the tissue temperature, destroying the wart cells and creating a blister underneath. Pain after freezing is essentially universal, though the severity ranges widely from mild discomfort to sharp, throbbing pain that lasts hours or occasionally days.⁶ Blistering, redness, and a burning sensation are typical side effects.⁷

For children and people who find the pain difficult to tolerate, applying an anesthetic cream immediately after the freezing session can reduce post-treatment discomfort and improve how well patients cope with the procedure.⁸ This is worth asking your clinician about, especially if you need multiple sessions. Cryotherapy for plantar warts often requires two to four sessions spaced a few weeks apart, and the prospect of repeated painful visits is one reason people look for alternatives.

Does Duct Tape Actually Work

Duct tape occlusion is one of the most widely shared home remedies for verrucas, and the idea has a certain appeal: cheap, painless, no chemicals. The theory has never been pinned down. Some people suggest the tape starves the wart of oxygen, others that it creates a moist environment that triggers an immune reaction, and some researchers have proposed it works partly through a placebo effect, especially in children.⁹ A well-designed trial in adults found that occlusion itself did not appear to be the mechanism, because success rates were low in both the duct tape group and a control group using a different tape.⁹

A head-to-head comparison in adults with plantar warts specifically found that duct tape cleared verrucas completely in about one in five patients, compared with roughly three in five for cryotherapy, a significant gap.¹⁰ That said, one in five is not zero, and if the verruca is small, not very painful, and you would rather avoid a clinic visit, trying duct tape for a couple of months before escalating is a reasonable low-risk strategy. It just should not be your only plan if the wart is interfering with daily life.

Chemical Cautery With Stronger Acids

When a verruca resists milder treatments, clinicians sometimes turn to stronger chemical agents applied in the office. Trichloroacetic acid (TCA) at high concentrations (around 70 to 80 percent) destroys the wart tissue by breaking down the proteins in the infected cells. Silver nitrate, another cauterizing agent, is sometimes used alongside or as an alternative. One trial found that weekly applications of concentrated silver nitrate cleared plantar warts completely in roughly a third of participants after ten weeks.⁷

These treatments are generally less painful than cryotherapy during the procedure itself, though they can sting and cause temporary discoloration of the skin. Your clinician will usually protect the surrounding healthy skin with petroleum jelly before applying the acid. The verruca tissue turns white or gray, then gradually dries out and sloughs off over the following days.

Immunotherapy for Stubborn Verrucas

Some verrucas are genuinely stubborn. They resist salicylic acid, survive repeated freezing, and keep coming back. For these recalcitrant cases, a growing body of evidence supports intralesional immunotherapy, which means injecting an immune-stimulating substance directly into the wart. The goal is not to destroy the wart tissue directly but to wake up the local immune response so the body clears the infection itself.

Candida antigen injections are among the best-studied options. In one trial, injecting Candida antigen into a single wart led to complete clearance of both the treated wart and untreated warts elsewhere on the body in over half of patients, with the usual pattern being progressive shrinkage starting after the first injection and complete resolution by the third.¹¹ A larger comparative study found even higher clearance rates, with about four in five patients in the Candida antigen group achieving complete resolution.¹²

The fact that distant, untreated warts clear at the same time is telling. It confirms that the treatment is triggering a systemic immune response against HPV-infected tissue, not just destroying cells at the injection site. Vitamin D3 injected into the wart has also been explored and showed promising results, with one study suggesting it may even outperform Candida antigen, though with a small sample.¹³ Patients with longer-standing warts tend to respond less well to immunotherapy, which argues against waiting years before trying it.¹³

These treatments are typically only available through dermatologists and are not yet first-line recommendations in most guidelines. But for someone who has been battling a verruca for years and has tried everything else, immunotherapy is worth asking about.

Microwave Therapy as a Newer Option

Microwave therapy is a relatively recent addition to the verruca treatment toolkit, and it addresses one of the main complaints patients have about cryotherapy: the pain is briefer and there is no blistering or wound to manage afterward. The device delivers controlled microwave energy into the wart, raising tissue temperature to a hyperthermic range that damages the infected cells and triggers an adaptive immune response.¹⁴ The treatment does cause a sharp, brief pain during the application, but unlike cryotherapy, it does not break the skin, does not cause blistering, and requires no dressings. Patients can walk normally and return to activity immediately afterward.¹⁴

Sessions are quick, typically a few seconds of energy delivery per application, and are usually spaced a few weeks apart. The treatment is growing in availability through podiatry clinics in particular, though it tends to be more expensive than standard cryotherapy and is not always covered by insurance or public health systems. For people whose main barrier to treatment is the prolonged soreness and downtime after freezing, microwave therapy fills a practical gap.

Practical Pain Management Day to Day

While you are waiting for any treatment to work, or if you have decided to let the verruca clear on its own, a few things can reduce daily discomfort. Cushioning the area with a donut-shaped pad (the kind sold for corns) redistributes pressure away from the verruca when you walk. Choose shoes with thick, cushioned soles and avoid going barefoot on hard floors. If the verruca sits directly under the ball of the foot, a metatarsal pad placed just behind the painful spot can shift your weight slightly and take the edge off.

Filing down the thickened cap of dead skin over the verruca, even without applying salicylic acid, can reduce the “stepping on a stone” sensation. The callus that forms over the wart increases its height and makes it more prominent against the sole of the foot. Keeping it level with the surrounding skin won’t cure the verruca, but it lowers the pressure on the underlying tissue. Just be careful not to file so aggressively that you cause bleeding, which can spread the virus to adjacent skin.

When the Pain Is Not From the Verruca Itself

If you have had a verruca treated and the pain afterward seems out of proportion, persists for weeks, or feels like burning and tingling that spreads beyond the original wart site, something else may be going on. Aggressive cryotherapy or chemical treatment can occasionally damage the surrounding healthy tissue and nerves. Scarring on the sole of the foot can itself become a source of chronic discomfort, which is one reason clinicians try to avoid over-treating plantar warts. A scar on a weight-bearing part of the sole is sometimes more painful than the wart was.

People with diabetes or peripheral neuropathy need to be especially cautious with any destructive treatment on the feet. Reduced sensation can mask tissue damage, and impaired healing raises the risk of complications. If you have circulation problems in your lower legs, get a professional assessment before buying an over-the-counter freezing kit or applying strong acids at home.

It is also worth mentioning that not all foot pain attributed to a verruca is actually caused by one. If you have treated what you thought was a verruca, the lesion has resolved, and the spot is still sore, the original problem may have been a foreign body, a deep corn, or another condition entirely. The thrombosed capillaries visible in a verruca are the diagnostic feature that separates it from its mimics, and going back to a clinician for a second look is more productive than continuing to treat something that may no longer be there.²

1
Frontiers in Medical Case Reports. Treatment Intervention of Chronic Plantar Wart Using Gardasil 9 Vaccine – A Case Report – Section: Introduction
2
Oxford Academic (British Journal of Dermatology). Differential diagnosis of plantar wart from corn, callus and healed wart with the aid of dermoscopy
3
PubMed. Cell-mediated immunity in wart infection
4
PubMed. “Keratolytic” effect of salicylic acid
5
PubMed. Distribution and keratolytic effect of salicylic acid and urea in human skin
6
JAMA Pediatrics. The Efficacy of Duct Tape vs Cryotherapy in the Treatment of Verruca Vulgaris (the Common Wart) – Section: Results
7
International Journal of Research in Dermatology. Comparative efficacy of trichloroacetic acid combined with silver nitrate and cryotherapy in treating plantar warts – Section: INTRODUCTION
8
PubMed Central. Anesthetic cream relieves pain after cryotherapy treatment of plantar and palmar warts
9
JAMA Dermatology. Duct Tape for the Treatment of Common Warts in Adults: A Double-blind Randomized Controlled Trial – Section: Comment
10
PubMed. Silver duct tape occlusion in treatment of plantar warts in adults: Is it effective?
11
PubMed Central. Immunotherapy with Intralesional Candida Albicans Antigen in Resistant or Recurrent Warts: A Study – Section: Results
12
PubMed. Intralesional immunotherapy for multiple recalcitrant plantar warts: Candida antigen is superior to intralesional purified protein derivative
13
PubMed. Intralesional vitamin D3 versus Candida antigen immunotherapy in the treatment of multiple recalcitrant plantar warts: A comparative case-control study
14
PubMed Central. Microwave therapy for the treatment of plantar warts – Section: Background