Medically reviewed by Dr. Tom Biernacki, DPM, FACFAS

Board-certified foot & ankle surgeon · Balance Foot & Ankle · (810) 206-1402

Last reviewed: May 2026

Reviewed by Dr. Tom Biernacki, DPM, FACFAS

Board-certified foot & ankle surgeon · 3,000+ surgeries · @MichiganFootDoctors (950K+ subscribers)

Last reviewed May 11, 2026 · (810) 206-1402

Watch: Plantar Wart Removal: How to Get Rid of a Foot Wart with No PAIN! — MichiganFootDoctors YouTube

Warts on Feet (Plantar Warts): 8 Treatments That Work

Quick answer: Warts on feet (plantar warts) are caused by HPV infecting the bottom of the foot through tiny skin breaks. Dr. Tom Biernacki, DPM treats them with cryotherapy, cantharidin, salicylic acid, and laser. Typical clearance: 2-6 visits over 6-12 weeks.

How to Identify a Plantar Wart (vs Callus)

• Black dots in the center (these are tiny clotted capillaries — calluses don’t have these)
• Interrupts skin lines — the natural fingerprint pattern of the sole curves around the wart
• Painful with side-to-side squeeze — pinch test. Calluses hurt with direct push only
• Cluster pattern (mosaic warts) — multiple warts merging into one lesion
• Often on weight-bearing areas — heel, ball of foot

The 8 Treatment Options (Ranked by Effectiveness)

1. Cryotherapy (in-office liquid nitrogen freezing) — gold standard, 70-80% clearance in 3-4 visits
2. Cantharidin (beetle juice) — painless, kid-friendly, blister-and-peel approach
3. Bleomycin injection — for stubborn warts, single visit often clears
4. Laser ablation (CO2 or pulsed dye) — for warts that resist everything else
5. Curettage with electrocautery — surgical removal, leaves scar
6. OTC salicylic acid 17-40% — slow (months) but cheap and DIY
7. 5-FU topical chemotherapy — for mosaic warts
8. Duct tape occlusion — cheapest, mixed evidence, slow

Best At-Home Plantar Wart Removers

When To Skip DIY And See Dr. Tom

• OTC treatment fails after 8-12 weeks
• Wart is painful enough to limit walking
• Mosaic warts (clusters) — these need stronger treatment
• You’re diabetic, immunocompromised, or have neuropathy
• The lesion is bleeding, infected, or growing rapidly
• You’re not 100% sure it’s a wart and not something else

How to Prevent Plantar Warts

• Wear sandals/flip flops in locker rooms, gyms, public showers, hotel rooms
• Don’t share towels, socks, shoes, or pumice stones
• Keep feet dry — HPV thrives in damp skin
• Cover any cuts/cracks before walking barefoot
• Treat tinea pedis (athlete’s foot) — it makes wart infection easier

FAQ

Can plantar warts go away on their own?

Yes — about 50% resolve within 2 years without treatment. But they’re contagious during that time and can spread to family members or your other foot.

Are plantar warts contagious?

Yes — HPV spreads via direct contact, shared surfaces (shower floors, gym mats), and shared items (socks, towels). Damp/cracked skin = vulnerable.

Why does my plantar wart keep coming back?

Usually because treatment stopped too early — the visible wart cleared but virus-containing cells remained. Treat 2 weeks past visible clearance to prevent recurrence.

Schedule with Dr. Tom

Stubborn plantar warts? Mosaic clusters? Diabetic with a wart? Call Dr. Tom Biernacki, DPM at (810) 206-1402 for same-week treatment at our Howell or Bloomfield Hills offices.

In-Office Treatment at Balance Foot & Ankle

If home treatment isn’t providing relief for your plantar warts, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.

Dr. Tom Biernacki, DPM