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Big Plantar Warts: Diagnosis, Treatment, and Home Remedies for Stubborn Foot Lesions

How are plantar warts diagnosed. What are the most effective medical treatments for plantar warts. Which home remedies can help remove plantar warts. Why do plantar warts often require multiple treatments to resolve. When should you see a doctor about a plantar wart.

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Understanding Plantar Warts: Causes and Characteristics

Plantar warts are a common foot condition caused by the human papillomavirus (HPV). These warts develop on the weight-bearing areas of the feet, often causing discomfort and pain when walking. Unlike warts on other parts of the body, plantar warts grow inward due to the pressure of standing and walking, making them particularly challenging to treat.

What distinguishes plantar warts from other skin lesions? Plantar warts typically appear as small, rough growths on the soles of the feet. They may have tiny black dots, which are actually small blood vessels. The surrounding skin often becomes thick and callused, further complicating identification and treatment.

Diagnosing Plantar Warts: Medical Examination Techniques

Accurate diagnosis is crucial for effective treatment of plantar warts. Doctors employ several techniques to identify these lesions:

  • Visual examination: A healthcare provider will carefully inspect the affected area, looking for the characteristic appearance of plantar warts.
  • Paring the lesion: Using a scalpel, the doctor may gently scrape the top layer of the wart to check for tiny black dots, which are a telltale sign of plantar warts.
  • Shave biopsy: In some cases, a small section of the lesion may be removed and sent to a laboratory for analysis to confirm the diagnosis.

How can you differentiate between a plantar wart and a callus? Plantar warts disrupt the normal lines and ridges in the skin of your foot, while calluses don’t. Additionally, pressing on the sides of a plantar wart often causes pain, whereas calluses are typically not painful when compressed from the sides.

Medical Treatments for Stubborn Plantar Warts

While many plantar warts resolve on their own within a year or two, persistent or painful warts may require medical intervention. Healthcare providers offer several treatment options:

1. Prescription-Strength Salicylic Acid

Stronger peeling medicines containing salicylic acid can be prescribed by your doctor. These treatments work by gradually removing layers of the wart and stimulating your immune system to fight the viral infection.

2. Cryotherapy

Cryotherapy involves freezing the wart with liquid nitrogen. This procedure causes a blister to form around the wart, leading to the sloughing off of dead tissue. Multiple treatments may be necessary, typically spaced two to four weeks apart.

3. Immune Therapy

This approach uses medications or solutions to boost your immune system’s response to the wart. Your doctor may inject an antigen into the wart or apply a topical solution to stimulate your body’s natural defenses.

4. Minor Surgery

In cases where other treatments have failed, your doctor may recommend cutting away the wart or destroying it using an electric needle. This procedure, known as electrodesiccation and curettage, is usually reserved for stubborn warts due to the risk of scarring.

5. Laser Treatment

Pulsed-dye laser treatment can be used to cauterize the blood vessels supplying the wart, causing the infected tissue to die and fall off. This method requires multiple treatments and has limited evidence of effectiveness.

Why do plantar warts often require multiple treatments? The HPV virus that causes plantar warts can be deeply embedded in the skin, making it difficult to eradicate completely with a single treatment. Additionally, the virus may spread to surrounding areas, necessitating ongoing treatment to prevent recurrence.

Home Remedies and Over-the-Counter Treatments for Plantar Warts

For those preferring to try self-care approaches before seeking medical treatment, several home remedies and over-the-counter options are available:

  1. Nonprescription salicylic acid products: Available as patches or liquids, these treatments gradually peel away the wart tissue.
  2. Over-the-counter freezing medications: Products like Compound W Freeze Off and Dr. Scholl’s Freeze Away allow for at-home cryotherapy treatment.
  3. Duct tape method: While unproven, some people report success with covering the wart with duct tape, changing it every few days, and gently removing dead tissue between applications.

How long should you try home remedies before seeking professional help? If you’ve been consistently using over-the-counter treatments for 4-6 weeks without improvement, or if the wart is causing significant pain or spreading, it’s time to consult a healthcare provider.

Preventing Plantar Warts: Tips for Reducing Your Risk

While it’s not always possible to prevent plantar warts, certain measures can help reduce your risk of contracting or spreading the virus:

  • Keep your feet clean and dry
  • Wear sandals or water shoes in public showers, locker rooms, and pool areas
  • Avoid walking barefoot in public spaces
  • Don’t share towels, socks, or shoes with others
  • Change your shoes and socks daily
  • Keep your feet moisturized to prevent cracks that could allow the virus to enter

Can plantar warts spread to other parts of the body? While plantar warts typically remain on the feet, it is possible for the virus to spread to other areas through direct contact or by touching a wart and then touching another part of your body. Always wash your hands after touching a wart and avoid picking at it.

When to See a Doctor: Red Flags for Plantar Warts

While many plantar warts can be managed at home, certain situations warrant professional medical attention:

  • The wart is causing significant pain or interfering with daily activities
  • Home treatments have been ineffective after several weeks of consistent use
  • The wart is spreading or multiplying
  • You have diabetes or a weakened immune system
  • You’re unsure if the lesion is actually a wart
  • The wart shows signs of infection (redness, swelling, pus, or fever)

How can you prepare for a doctor’s appointment about plantar warts? Before your visit, make note of when you first noticed the wart, any treatments you’ve tried, and how long you’ve been treating it. This information will help your healthcare provider determine the best course of action for your specific case.

Living with Plantar Warts: Managing Discomfort and Preventing Spread

While undergoing treatment for plantar warts, there are several steps you can take to manage discomfort and prevent the spread of the virus:

  1. Use cushioned insoles or pads to relieve pressure on the wart when walking
  2. Keep the affected foot clean and dry
  3. Avoid going barefoot, especially in public areas
  4. Don’t pick at or scratch the wart
  5. Wash your hands thoroughly after touching the wart
  6. Use separate nail files, pumice stones, or emery boards for the affected foot and discard them after the wart is gone
  7. Consider covering the wart with a waterproof bandage during activities like swimming

Is it safe to continue regular activities while treating a plantar wart? In most cases, you can maintain your normal routine while treating a plantar wart. However, if the wart is causing significant pain or is located in an area that endures a lot of pressure during your activities, you may need to modify your routine or use protective padding to reduce discomfort.

Debunking Myths: Common Misconceptions About Plantar Warts

There are several myths surrounding plantar warts that can lead to confusion and ineffective treatment approaches. Let’s address some of these misconceptions:

Myth 1: Plantar warts have roots that grow deep into the foot

Contrary to popular belief, plantar warts do not have roots. What appears to be roots are actually blood vessels that supply the wart. The wart itself grows in the upper layers of skin, though it may appear to be deeper due to the pressure of walking.

Myth 2: Plantar warts are highly contagious

While plantar warts are caused by a virus and can spread, they are not as contagious as many people believe. The virus typically requires direct contact with broken or softened skin to cause infection. This is why walking barefoot in moist environments increases the risk of contracting plantar warts.

Myth 3: Cutting out a plantar wart will cure it

Attempting to cut out a plantar wart at home is not only painful and potentially dangerous, but it’s also ineffective. The virus causing the wart can remain in the surrounding skin, leading to recurrence. Additionally, cutting into the skin increases the risk of infection and scarring.

Myth 4: All bumps on the foot are plantar warts

Not every growth on the sole of the foot is a plantar wart. Calluses, corns, and even certain types of skin cancer can resemble plantar warts. This is why proper diagnosis by a healthcare professional is crucial, especially for persistent or unusual lesions.

Why do these myths persist? Many misconceptions about plantar warts stem from outdated information or folk remedies passed down through generations. It’s important to rely on current medical knowledge and consult healthcare professionals for accurate information and effective treatment strategies.

The Psychological Impact of Plantar Warts: Coping with a Persistent Condition

While plantar warts are a physical condition, they can also have significant psychological effects on those who suffer from them. The persistent nature of plantar warts, combined with the discomfort and potential embarrassment they cause, can lead to stress, anxiety, and even depression in some individuals.

Emotional Challenges

People with plantar warts may experience:

  • Embarrassment about the appearance of their feet
  • Frustration with the slow or ineffective treatment process
  • Anxiety about spreading the virus to others
  • Decreased self-esteem, particularly in social situations involving bare feet
  • Stress from the ongoing discomfort and treatment regimens

Coping Strategies

If you’re struggling with the emotional impact of plantar warts, consider these coping strategies:

  1. Educate yourself about the condition to alleviate fears and misconceptions
  2. Join support groups or online forums to connect with others experiencing similar issues
  3. Practice stress-reduction techniques like meditation or deep breathing
  4. Focus on overall foot health and hygiene to feel more in control
  5. Communicate openly with your healthcare provider about your concerns and frustrations

How can healthcare providers address the psychological aspects of plantar warts? Doctors should acknowledge the emotional impact of the condition, provide clear information about treatment expectations, and offer resources for emotional support when necessary. A holistic approach that addresses both the physical and psychological aspects of plantar warts can lead to better overall outcomes for patients.

Future Directions: Emerging Treatments and Research in Plantar Wart Management

As medical science advances, new approaches to treating plantar warts are being developed and studied. These emerging treatments offer hope for more effective and less invasive options in the future:

1. Photodynamic Therapy

This treatment involves applying a photosensitizing agent to the wart and then exposing it to a specific wavelength of light. The combination triggers a reaction that destroys the wart tissue. Early studies show promising results, particularly for resistant warts.

2. Intralesional Immunotherapy

By injecting certain antigens directly into the wart, this treatment aims to stimulate a strong immune response against the HPV virus. Research is ongoing to determine the most effective antigens and optimal treatment protocols.

3. Topical Immunomodulators

Creams containing immunomodulating agents, such as imiquimod, are being studied for their potential to enhance the body’s immune response to the wart virus when applied directly to the affected area.

4. HPV Vaccines

While currently approved HPV vaccines target different strains than those typically causing plantar warts, research is exploring the potential for developing vaccines specifically for cutaneous HPV types.

5. Combination Therapies

Researchers are investigating various combinations of existing treatments to determine if they can provide more effective results than single-modality approaches.

What challenges do researchers face in developing new treatments for plantar warts? One significant challenge is the variability in individual immune responses to the HPV virus. Additionally, the location of plantar warts on weight-bearing areas of the foot complicates treatment delivery and efficacy. Researchers must also consider the balance between treatment effectiveness and potential side effects or scarring.

As research progresses, it’s likely that new treatment options will become available, offering hope for those struggling with persistent plantar warts. However, it’s important to remember that even with advancements, prevention remains a key strategy in managing this common foot condition.

Plantar warts – Diagnosis and treatment

Diagnosis

In most cases, your doctor can diagnose a plantar wart with one or more of these techniques:

  • Examining the lesion
  • Paring the lesion with a scalpel and checking for signs of dark, pinpoint dots — tiny clotted blood vessels
  • Removing a small section of the lesion (shave biopsy) and sending it to a laboratory for analysis

Treatment

Most plantar warts are harmless and go away without treatment, though it may take a year or two. If your warts are painful or spreading, you may want to try treating them with over-the-counter (nonprescription) medications or home remedies. You may need many repeated treatments before the warts go away, and they may return later.

If your self-care approaches haven’t helped, talk with your doctor about these treatments:

  • Stronger peeling medicine (salicylic acid). Prescription-strength wart medications with salicylic acid work by removing layers of a wart a little bit at a time. They may also stimulate your immune system’s ability to fight the wart.

    Your doctor will likely suggest you apply the medicine regularly at home, followed by occasional office visits.

  • Freezing medicine (cryotherapy). Cryotherapy done at a doctor’s office involves applying liquid nitrogen to the wart, either with a spray or a cotton swab. This method can be painful, so your doctor may numb the area first.

    The chemical causes a blister to form around your wart, and the dead tissue sloughs off within a week or so. Cryotherapy may also stimulate your immune system to fight viral warts. You may need to return to the doctor’s office for repeat treatments every two to four weeks until the wart disappears.

    Some studies suggest that cryotherapy combined with salicylic acid treatment is more effective than just cryotherapy, but further study is needed.

Surgical or other procedures

If salicylic acid and freezing medicine don’t work, your doctor may recommend one or more of the following treatments:

  • Other acids. Your doctor shaves the surface of the wart and applies trichloroacetic acid with a wooden toothpick. You’ll need to return to the doctor’s office for repeat treatments every week or so. Side effects include burning and stinging. Between visits, you may be asked to apply salicylic acid to the wart.
  • Immune therapy. This method uses medications or solutions to stimulate your immune system to fight viral warts. Your doctor may inject your warts with a foreign substance (antigen) or apply a solution or cream to the warts.
  • Minor surgery. Your doctor cuts away the wart or destroys it by using an electric needle (electrodesiccation and curettage). This procedure can be painful, so your doctor will numb your skin first. Because surgery has a risk of scarring, this method usually isn’t used to treat plantar warts unless other treatments have failed.
  • Laser treatment. Pulsed-dye laser treatment burns closed (cauterizes) tiny blood vessels. The infected tissue eventually dies, and the wart falls off. This method requires repeat treatments every three to four weeks. The evidence for the effectiveness of this method is limited, and it can cause pain and potentially scarring.
  • Vaccine. HPV vaccine has been used with success to treat warts even though this vaccine is not specifically targeted toward the wart virus that causes the majority of plantar warts.

Lifestyle and home remedies

Many people have removed warts with these self-care tips:

  • Peeling medicine (salicylic acid). Nonprescription wart removal products are available as a patch or liquid. Usually, you’re instructed to wash the site, soak it in warm water, and gently remove the top layer of softened skin with a pumice stone or emery board. Then after the skin has dried, you apply the solution or patch. Patches are usually changed every 24 to 48 hours. Liquid applications are generally used daily. You may need repeated applications on a regular basis over several weeks to months to see results.
  • Freezing medicine (cryotherapy). Nonprescription medicines that freeze the wart include Compound W Freeze Off and Dr. Scholl’s Freeze Away. The Food and Drug Administration cautions that some wart removers are flammable and shouldn’t be used around fire, flame, heat sources (such as curling irons) and lit cigarettes.
  • Duct tape. Using duct tape to remove warts is a harmless but unproven approach. To try it, cover the wart with silver duct tape, changing it every few days. Between applications, soak the wart and gently remove dead tissue with a pumice stone or emery board. Then leave the wart open to the air to dry for a few hours before covering it with tape again.

Preparing for your appointment

You’ll likely start by seeing your primary care doctor. He or she may refer you to a specialist in disorders of the skin (dermatologist) or feet (podiatrist). The following tips can help you prepare for your appointment.

What you can do

Bring a list of all medications you take regularly — including over-the-counter (nonprescription) medications and dietary supplements — and the daily dosage of each.

You may also want to list questions for your doctor, such as:

  • If I have a plantar wart, can I start with at-home care?
  • If I proceed with home treatment, under what conditions should I call you?
  • If the first treatment doesn’t work, what will we try next?
  • If the lesion isn’t a plantar wart, what tests do you need to do?
  • How long will it take to get results?
  • How can I prevent warts?

What to expect from your doctor

Your doctor may ask you questions such as:

  • When did the lesion first appear?
  • Has it changed in size or appearance?
  • Is your condition painful?
  • Have you had warts before?
  • Do you have diabetes or poor sensation in your feet?
  • Do you have any condition or take any medication that has weakened your ability to fight disease (immune response)?
  • Have you tried any home remedies? If so, how long have you used them and have they helped?
  • Do you use a swimming pool or locker room — places that can harbor wart-causing viruses?

What you can do in the meantime

If you’re sure you have a plantar wart, you may try over-the-counter remedies or alternative medicine approaches. But talk with your doctor before trying self-care treatments if you have:

  • Diabetes
  • Poor sensation in your feet
  • Weakened immunity

If pressure on the wart causes pain, try wearing well-cushioned shoes, such as athletic shoes that evenly support the sole and relieve some of the pressure. Avoid wearing uncomfortable shoes.


April 02, 2020

Show references

  1. Goldstein BG, et al. Cutaneous warts. http://www.uptodate.com/home. Accessed March 2, 2017.
  2. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. March 14, 2017.
  3. Some wart removers are flammable. U.S. Food and Drug Administration. http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm381429.htm?source=govdelivery&utm_medium=email&utm_source=govdelivery. Accessed March 2, 2017.
  4. Landis MN, et al. Recalcitrant plantar warts treated with recombinant quadrivalent human papillomavirus vaccine. Journal of the American Academy of Dermatology. 2012;67:e73.
  5. Habif TP. Plantar warts. In: Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 6th ed. Edinburgh, U.K.; New York, N.Y.: Elsevier; 2016. https://www.clinicalkey.com. Accessed March 2, 2017.
  6. Kwok CS, et al. Topical treatments for cutaneous warts. Cochrane Database of Systematic Reviews. http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD001781.pub3/abstract. Accessed March 2, 2017.
  7. Warts. American Academy of Dermatology. http://www.aad.org/dermatology-a-to-z/diseases-and-treatments/u—w/warts. Accessed March 2, 2017.

Plantar Warts and Palmar Warts: Treatments and Causes

 

Plantar warts and palmar warts are common, especially in children. These warts are named for where they appear on the body. Palmar warts occur on the hands, and plantar warts on the bottom of the foot.

Virtually everyone will have a wart (or several) someplace at some time in their lives.

What Are Plantar Warts and Palmar Warts?

Plantar warts and palmar warts are noncancerous skin growths, caused by a viral infection in the top layer of the skin. The culprit is a strain of virus called human papillomavirus or HPV. Many strains of the virus exist, and those that cause common warts on the hands and feet are not the same strains of HPV that cause genital warts.

Some people mistakenly think plantar warts or palmar warts are malignant. In fact, they are not harmful. Eventually, in about two years, most warts go away without treatment. Warts can, however, cause irritation or minor pain, depending on their location. 

What Do Plantar Warts and Palmar Warts Look Like?

On average plantar warts and palmar warts are small, about the size of a pencil eraser. But some warts grow bigger. Sometimes plantar warts can grow in clusters; those are called mosaic warts.

Sometimes corns or calluses are mistaken for a palmar or plantar wart. In some warts, little black dots appear, leading people to call them “seed” warts. Actually the black dots are little blood vessels that have grown up into the wart. Warts don’t really have “seeds.”

Plantar warts usually don’t stick up above the skin as much as warts on the hand, partly because of the pressure of walking and its flattening effect.

How Do You Get a Plantar Wart or Palmar Wart?

Warts are spread from person to person. The transmission can be indirect. For instance, a child with a wart on their hand may touch a playground surface that is then touched by another child and the wart spreads. Or a person with a plantar wart uses a shower without wearing shower shoes and another person then uses it and develops a wart. The risk of getting a hand or foot wart from another person is small.

A person’s risk of getting a wart varies. Those with a weakened immune system are more susceptible. But those with healthy immune systems can also develop warts.

What Are Treatments for Plantar Warts and Palmar Warts?

Plantar warts and palmar warts will often eventually go away without treatment. If they bother you, however, you can treat common skin warts in a variety of ways.

  • Duct tape is one home remedy. Put a small strip over the wart and leave it on for six days. Then, remove the tape, soak the wart in water, and then gently debride it with a pumice stone or emory board. Repeat the process many times until the wart is gone. This may take a couple of months. Don’t expect miracles with this type of treatment since it probably does not work any better than a placebo.
  • Over-the-counter wart treatments include a medication that is applied topically (gel, ointment, lotion) and usually includes salicylic acid which works by peeling the wart. Another option is a freezing spray that kills the tissue. These remedies work about 50% of the time.
  • Doctor’s treatments are generally more effective. They include freezing the wart off with liquid nitrogen, removing the wart with laser or surgery, or applying or injecting medicines to strengthen the immune system so it can clear your body of the virus.

Treatment, however, is not fast and easy. Home treatment for hand warts, for instance, can take a few weeks up to a few months. Foot warts are challenging to treat because most of the wart lies below the skin surface.

Even if a treatment is successful, the wart can reappear.

If a wart is not bothersome, doctors say it can be left alone. Given time, the wart may disappear on its own, thanks to the immune system.

The Best Ways to Get Rid of Plantar Warts for Good

Skip the home remedies for wart removal. Proper treatment of plantar warts requires the expertise of your healthcare provider.

Posted
by The Iowa Clinic on Tuesday, August 18, 2020


Nose, fingers, toes and everywhere in between, warts can show up anywhere on your skin. They are one of the most common skin conditions. They’re also quite contagious.


Warts are more than an abnormal growth. They’re the result of an infection, specifically a virus more often associated with cervical cancer than a bump on the skin: human papillomavirus (HPV).


HPV enters your body through a cut or break in your skin. Then, it forms that ugly, rough bump. Since warts are caused by a viral infection, they are easily spread through contact. Anything that has had contact with a wart — your hand, a towel, a sock, the floor — can spread it.


And when warts show up on your feet, they can be as painful as they are unsightly.


What makes a wart on your foot worse than a wart somewhere else?


Pain.


Warts don’t usually present problems. They are on your skin until they go away on their own or by removal. Warts on the bottom of your feet, known as plantar warts, are the most likely type to give you any other trouble or symptoms.


Because of their location — the soles, heels, toes and balls of your feet — plantar warts send you a painful reminder of their presence with every single step. It feels like you’re walking with a rock in your shoe. Even if you’re barefoot.


Plantar warts are most common on the parts of the foot that receive the most pressure when you’re standing or walking. Since those are two things you can’t avoid, additional standing and walking increase the pressure on the wart and send it further inward, deep into your skin.


All that pressure also flattens the plantar wart. It ends up looking less like a wart and more like a callus. If you can’t tell the difference by looking at it, give it the squeeze test. A plantar wart is painful when squeezed; a callus is not.


It’s an important test. Many people rub calluses with abrasive objects like pumice stones, nail files and emery boards to remove the thick, rough skin. And that is not recommended for removal of plantar warts.


Painful plantar warts? Get help. 

Self-care of plantar warts can make things worse. Put your feet in the hands of experts.

Find a doctor

Wart anatomy

Warts grow only in the epidermis, the upper skin layer. A typical wart has a raised, rough surface. (Some, like those on the face, may be smooth and flat.) The center of a wart may be flecked with dark dots; these are capillaries that supply it with blood.

Common types of skin warts

Type

Appearance

Characteristics

Common

Raised, rough surface, sometimes with dark specks; light-colored to gray-brown.

Found mostly on the hands, but may appear anywhere. Those under or around the fingernails and toenails can be hard to treat.

Plantar

Rough, spongy surface kept flat by walking; gray or brown with dark specks.

Found only on the soles of the feet. Clustered plantar warts are called mosaic warts.

Flat

Flat or slightly raised; smooth and pink. Smaller than other warts.

Found mostly on the face, hands, and shins. They’re less common than other warts, but when they do appear, it’s often in large numbers.