Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle, Howell & Bloomfield Hills, MI
Last reviewed: May 2026
| Feature | Molluscum Contagiosum | Plantar Wart | Corn |
|---|---|---|---|
| Appearance | Dome-shaped, pearly; central umbilication (dimple); flesh-colored | Rough, cauliflower surface; black dots (capillaries); interrupts skin lines | Hard, translucent nucleus; smooth center; clear skin-line pattern |
| Location on foot | Any skin surface; dorsum of foot; toes; NOT pressure points | Plantar surface; weight-bearing areas; under callus | Dorsal toe; plantar met heads; bony prominences |
| Number of lesions | Often multiple; clusters; spread by self-inoculation | Single or grouped; can coalesce (mosaic wart) | Single at each pressure point |
| Pain | Usually painless; occasional irritation | Painful with direct pressure; “walking on pebbles” | Sharp point pain on pressure |
| Cause | Poxvirus (MCV); spread by direct contact or fomites | HPV (human papillomavirus) | Pressure + friction; not infectious |
| Natural history | Self-resolves in 6–18 months without treatment (immunocompetent) | May persist years; 65% resolve spontaneously in 2 years | Persists while pressure source present |
| Treatment Option | Mechanism | Setting | Success Rate | Notes |
|---|---|---|---|---|
| Watchful waiting | Immune clearance | Home | 100% eventually (months–years) | Preferred in children; risk of autoinoculation during waiting period |
| Cantharidin (podiatry/derm) | Blister-inducing; destroys infected cells | Office | 80–90% per treatment | Painless application; blister in 24–48h; most common office treatment |
| Cryotherapy (liquid nitrogen) | Freeze-thaw destroys infected keratinocytes | Office | 70–85% per session; may need 2–3 | Brief pain; acceptable for feet; avoid plantar lesions in diabetics |
| Curettage | Physical removal of molluscum body | Office | High single-session clearance | Minor pain; leaves small scar; fast; suitable for isolated lesions |
| Imiquimod cream (Rx) | Immune stimulation | Home (prescription) | 45–80% | Slow (weeks); local irritation; useful for extensive cases |
Quick answer: Molluscum Contagiosum Foot is a common foot/ankle topic that affects many patients. The 2026 evidence-based approach combines proper diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Hills practices. Call (810) 206-1402.
Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatrist | Balance Foot & Ankle, Michigan
The most important clinical decision with Molluscum Contagiosum Foot isn’t which treatment to start with — it’s identifying the correct subtype. That changes everything. Call (810) 206-1402.
The most important clinical decision with Molluscum Contagiosum Foot isn’t which treatment to start with — it’s identifying the correct subtype. That changes everything. Call (810) 206-1402.
Identifying Molluscum vs. Plantar Wart
Molluscum contagiosum is caused by a poxvirus (Molluscipoxvirus), not HPV. The lesions look distinctly different from plantar warts: small (2–5mm), smooth, dome-shaped, pearly white or flesh-colored, with a characteristic central depression (umbilication) that can be squeezed to express a white, cheesy core. Plantar warts are flat with interruption of skin lines and black dots (thrombosed capillaries). Molluscum maintains normal skin lines and has the central dimple.
On the foot specifically, molluscum can occur on the dorsal surface or around the ankle but rarely on the plantar surface (the thick plantar stratum corneum is less hospitable to molluscum). Plantar warts occur almost exclusively on the plantar surface.
Treatment Options
Watchful waiting: In immunocompetent patients, molluscum resolves spontaneously in 6–18 months. This is a reasonable approach, particularly in children. The downside is continued spread during the active infection period.
Cantharidin: Applied in-office by a dermatologist or podiatrist to the lesion, producing a blister that destroys the molluscum. Painless at application. Most effective in-office option. A single treatment session addresses multiple lesions.
Cryotherapy: Liquid nitrogen applied to individual lesions. Effective for small numbers of lesions. Multiple sessions typically required.
Curettage: Physical removal with a curette under local anesthesia. Immediate clearance but may scar. Reserved for larger or resistant lesions.
Frequently Asked Questions
Is molluscum on the foot contagious? Yes — molluscum spreads by direct skin-to-skin contact and via fomites (towels, shoes, pool surfaces). Cover active lesions when using shared facilities. It is not highly contagious and requires direct contact for spread.
Can adults get molluscum contagiosum on their feet? Yes, though it’s more common in children. In adults, immunosuppression (HIV, immunosuppressant medications) is a risk factor for extensive or treatment-resistant molluscum.
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📞 (810) 206-1402 Book Online →Frequently Asked Questions
When should I see a podiatrist?
If symptoms persist past 2 weeks, affect your normal activity, or are accompanied by red-flag symptoms (warmth, redness, swelling, inability to bear weight).
What does treatment cost?
Most diagnostic visits and conservative treatments are covered by Medicare and major insurers. Out-of-pocket costs vary by your specific plan.
How quickly can I get an appointment?
Most non-urgent cases see us within 5 business days. Urgent cases (sudden pain, possible fracture) typically same or next business day.
⚠️ Most Common Mistake: Ignoring persistent foot pain and continuing normal activity without evaluation. Early podiatric care prevents minor foot issues from becoming chronic, difficult-to-treat conditions.
Frequently Asked Questions
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In-Office Treatment at Balance Foot & Ankle
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Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has made him one of the most-followed foot & ankle educators on YouTube.