What Causes Plantar Warts and How They Are Treated

Common Causes of Plantar warts

Plantar warts are small, rough growths that appear on the bottom of the foot. Despite being very common, they are frequently misunderstood and sometimes confused with calluses or corns.

Plantar warts are caused by the human papillomavirus, commonly known as HPV. The virus enters through small cuts or weak spots in the skin and can thrive in moist, warm environments.

Public places like swimming pools, locker rooms, and gym showers are common sites where people pick up the virus. Walking barefoot in these areas puts your feet in direct contact with contaminated surfaces. Children and people with weakened immune systems are particularly susceptible.

A plantar wart grows inward rather than outward because the weight of your body presses down on it. This can make plantar warts quite painful, especially when walking. You may notice a small, fleshy lesion with tiny black dots inside.

Plantar warts can sometimes resemble calluses. One way to tell them apart is that normal skin lines are interrupted when a wart is present but continue through a callus. A podiatrist can definitively diagnose a plantar wart.

Signs and Symptoms to Watch For

Not all plantar warts require treatment. The immune system may eventually clear the virus on its own, but this process can take months or years. Many people prefer to pursue treatment to relieve discomfort and prevent spread.

Over-the-counter treatments containing salicylic acid are a first-line option for mild cases. Consistent application and patience are required, and they are often less effective for stubborn or deeply embedded warts.

Whether you live in Sugar Land, Pearland, or anywhere in the greater Houston area, Thrive Foot and Ankle is here to help. Dr. Chandana Halaharvi specializes in plantar warts and takes a personalized approach to every patient's care.

Cryotherapy, which involves freezing the wart with liquid nitrogen, is one of the most commonly used in-office treatments. Multiple sessions are often necessary, typically spaced a few weeks apart.

For warts that do not respond to conservative treatment, stronger options are available. Prescription-strength medications, immunotherapy agents, and minor surgical procedures can all be effective.

Laser therapy is another option for difficult cases. A targeted laser destroys the blood vessels feeding the wart, cutting off its supply.

Treatment Options at Thrive Foot and Ankle

Prevention begins with simple hygiene habits. Always wear sandals or water shoes in public pools, locker rooms, and showers. Keep your feet clean and dry. Avoid touching warts on yourself or others.

It is important to avoid walking barefoot if you already have a plantar wart, as you can spread the virus to other parts of your foot. Change socks daily and avoid sharing shoes.

If you have a growth on your foot that is painful, persistent, or changing in appearance, a professional evaluation is important. A podiatrist can provide safe, effective treatment tailored to your situation.

At Thrive Foot and Ankle, we offer a range of proven treatments for plantar warts, from cryotherapy to advanced interventions. Book an appointment online to get an accurate diagnosis and start treatment.

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About the Author

Dr. Chandana Halaharvi, DPM, is a double board-certified foot and ankle surgeon and the founder of Thrive Foot and Ankle in Pearland, TX. Her expert insights have been featured in EatingWell. She treats patients from across the greater Houston area, including Pearland, Sugar Land, Friendswood, League City, Missouri City, and surrounding communities.

Book an appointment at Thrive Foot and Ankle.