How to manage tiny black spots on my daughter's feet?

Question

Hello doctor,

There are black spots on my daughter's feet; they are very tiny spots, but in a bunch for the last three months.

Please suggest.

Answer 1

Hello,

Welcome to icliniq.com.

I understand your concern.

Based on the description and appearance (tiny black dots clustered on the sole for three months), your daughter is having multiple plantar warts (viral warts) caused by the human papillomavirus (HPV). Plantar warts occur when HPV infects the outer layer of skin through tiny breaks, especially on pressure areas of the soles.

The “black spots” you are seeing are not spots; they are actually thrombosed capillaries (clotted tiny blood vessels) inside the wart, which is a classic feature. These warts commonly appear in clusters on the soles and may slowly increase in number if untreated.

They are more common in children because their immune system is still developing immunity against the virus. HPV spreads through direct skin-to-skin contact or indirectly via contaminated surfaces such as shared floors, bathrooms, swimming pools, or shoes.

The virus thrives in warm, moist environments. It does not spread through blood and is generally not dangerous, but it can spread to other areas of the same foot or to other family members if precautions are not taken.

For treatment, you have two main options.

Topical Salicylic acid preparations, such as Duofilm, are applied daily at bedtime. Before application, soak the foot in lukewarm water for 10 to 15 minutes, gently dry it, and lightly rub the surface with a pumice stone or emery board (very gently, without causing pain or bleeding). Then apply the medication directly to the wart only, protecting the surrounding normal skin. This should be continued consistently for at least four to six weeks. Improvement is gradual.
Cryotherapy (freezing treatment) is performed by a trained dermatologist. This is faster but may require multiple sessions and can cause temporary pain or blistering. It is generally safe when done as instructed.

Other ways to manage the condition are:

Keep the feet clean and dry.
Avoid sharing shoes, socks, or towels.
Wearing slippers in shared bathrooms.
Do not pick or scratch the lesions, as this can spread the virus.
Use separate nail cutters for the affected foot if trimming is needed.

Most plantar warts are harmless and may eventually resolve on their own as the immune system clears the virus, but treatment speeds recovery and reduces spread.

I hope this helps.

Thank you.