Plantar Warts Treatment in Michigan | Removal Options & Recovery

Related Conditions

Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Township, MI. Last updated April 2026.

Plantar warts are one of the most common dermatological conditions affecting the foot, and one of the most frustrating — they are caused by a virus, resist many over-the-counter remedies, and can persist for years if not treated aggressively. At Balance Foot & Ankle, our Michigan podiatrists offer the full range of plantar wart removal options, including in-office chemical treatment, laser therapy, and surgical excision.

What Are Plantar Warts?

Plantar warts are caused by human papillomavirus (HPV), specifically types 1, 2, 4, 60, and 63, which infect the superficial layers of the skin on the bottom of the foot. The virus enters through tiny cuts or breaks in the skin and creates a thickened, sometimes painful lesion. Unlike most warts, plantar warts are driven inward by body weight, making them appear flat with a rough, callus-like surface — often with small black dots (thrombosed capillaries) visible in the center.

Plantar warts spread in moist environments — shared showers, locker rooms, pool decks, and yoga studios. Children and adolescents are most commonly affected due to immature immune response, though plantar warts occur at all ages. Patients with compromised immune systems (diabetes, HIV, immunosuppressive medications) may develop large, treatment-resistant clusters called mosaic warts.

How to Tell a Plantar Wart from a Callus

A callus forms over a bony prominence and has normal skin lines running through it. A plantar wart interrupts skin lines, shows a granular texture with black pinpoint dots, and is tender when pinched sideways (lateral compression) rather than directly from above. Shaving the surface of a wart reveals a cauliflower-like texture or bleeding capillaries; shaving a callus reveals normal skin.

Treatment Options

Salicylic Acid (First-Line)

High-concentration salicylic acid (40% compound) applied in-office or prescribed for home use causes keratolysis — chemical breakdown of the infected skin cells. Treatment requires consistent daily application and debridement over 6–12 weeks. Cure rates are approximately 70–80% with good patient compliance. This is safe for all ages including children.

Cryotherapy (Liquid Nitrogen)

Liquid nitrogen freezes the wart tissue, destroying infected cells and stimulating an immune response. Applied in-office every 2–4 weeks for 3–6 sessions. Most effective for smaller, single warts. Can cause blistering and temporary soreness after treatment. Cure rates of 70–80% when combined with salicylic acid between sessions.

Candida Antigen Injection (Immunotherapy)

Injecting Candida antigen directly into the wart stimulates a local immune response that can clear not only the treated wart but distant warts simultaneously. This approach is particularly effective for multiple or recurrent warts and mosaic warts. Typically requires 3–5 in-office injections spaced 4–6 weeks apart. Cure rates of 70–80% in studies, with the advantage of systemic immune activation.

Bleomycin Injection

Intralesional bleomycin — a chemotherapy agent — injected directly into the wart destroys the HPV-infected tissue with high efficacy (reported 70–94% clearance). Reserved for persistent warts that have failed other treatments. Can cause significant post-injection pain and requires careful technique to avoid digital necrosis.

Differential Diagnosis: What Else Could It Be?

Several conditions share symptoms with Plantar Wart and are commonly misdiagnosed in the first office visit. Considering these alternatives is part of every Balance Foot & Ankle exam:

• Corn or callus. Skin lines run continuously through the lesion — wart interrupts them with black dots.
• Porokeratosis. Thin keratotic rim around a central plug, painful with side compression.
• Foreign body granuloma. History of stepping on something — ultrasound or X-ray finds the fragment.

If your symptoms don’t fit the textbook pattern, ask your podiatrist which differentials they ruled out — that conversation often shortcuts months of trial-and-error treatment.

Most Common Mistake We See

The most common mistake we see is: Digging at the wart with tools, which spreads HPV to surrounding skin. Fix: apply salicylic acid only to the wart surface, cover with tape, and replace every 2 days for 12 weeks.

Warning Signs That Need Same-Day Care

More questions patients ask

How do you get rid of plantar warts?

Professional treatments include cryotherapy (freezing), salicylic acid, laser therapy, and surgical excision. Dr. Biernacki typically uses a combination approach tailored to wart size and location. Over-the-counter treatments have limited effectiveness for plantar warts due to the thick skin on the foot sole. Most warts resolve within 2-4 treatments spaced 2-3 weeks apart. Call 810-206-1402 for treatment.

What does a plantar wart look like?

Plantar warts appear as small, rough, grainy growths on the bottom of the foot, often with small black dots (thrombosed capillaries). They may cause pain when walking, especially with direct pressure. Unlike calluses, warts interrupt natural skin lines and are painful when squeezed from the sides. Multiple warts clustered together are called mosaic warts.

Still have a question about coverage or cost? Book online and we will check your benefits before your visit: Book in Howell · Book in Bloomfield Township. Prefer to talk it through first? Call (810) 206-1402.