Warts in Children: Types, Treatment, and When to Call the Doctor

Warts are one of the most common skin conditions we see in children at Hummingbird Pediatrics, serving families across Robbinsville, Hamilton, East Windsor, and Mercer County, NJ. While warts can be stubborn and frustrating, they are a benign and very treatable skin condition — and our team is here to help you decide the best path forward for your child.
What Are Warts?
Warts are small, rough growths on the skin caused by certain strains of the human papillomavirus (HPV). The strains that cause common skin warts in children are very different from those associated with adult health concerns — skin warts in kids are simply a normal part of childhood.
The virus enters the skin through tiny cuts or breaks, which is why children who bite their nails, have hangnails, or get scrapes are more vulnerable to warts.
Types of Warts in Children
Common Warts (Verruca Vulgaris)
The most frequently seen type, common warts typically appear on fingers, hands, and around the nails. They have a rough, raised, bumpy surface and can look grayish or flesh-colored. You may see small black dots inside — these are tiny blood vessels, not "seeds" as often called.
Plantar Warts
Plantar warts grow on the bottom of the foot — often on the heel or ball of the foot. Because of the pressure from walking, they grow inward and may feel like walking on a small pebble. They can be tender to pressure, especially when your child walks or runs.
Flat Warts (Verruca Plana)
Flat warts are smaller and smoother than common warts. They often appear in clusters on the face, neck, or legs and have a flat top. Children who shave (older teens) may spread flat warts through the motion.
How Warts Spread
Warts spread through: - Direct skin-to-skin contact with someone who has a wart - Touching surfaces contaminated by the virus (pool decks, locker room floors, shared towels) - Touching your own warts and then another area of skin (autoinoculation) - Minor skin trauma that allows the virus to enter
When to Call Our Office
If you notice a growth on your child that looks like a wart, give us a call. We can confirm the diagnosis and talk through the options that make the most sense for your child.
Contact Hummingbird Pediatrics promptly if: - The wart is painful or interfering with walking or daily activities - A wart appears on the face or near the eyes - The wart bleeds, changes color, or looks inflamed or infected - New warts are appearing rapidly - You are unsure whether what you are seeing is a wart
Treatment Options
Treatment decisions depend on the type, location, and number of warts, as well as how much they bother your child. We always recommend coming in first so we can confirm the diagnosis and recommend the approach best suited to your child's situation.
In-office options at Hummingbird Pediatrics include:
- **Cryotherapy**: Applying liquid nitrogen to freeze the wart, causing it to blister and fall off over 1–2 weeks. Multiple sessions are often needed for stubborn warts.
Treatment is individualized. What works for one child may not be the best choice for another.
Prevention Tips
- Avoid walking barefoot in public locker rooms, pools, and showers
Our pediatricians serving families in Robbinsville, Hamilton Township, and East Windsor are happy to evaluate any skin concern and discuss the best treatment plan for your child.
Frequently Asked Questions
Do warts in children go away on their own?
Yes, most warts in healthy children resolve on their own within 1–2 years without any treatment. The body's immune system eventually recognizes and clears the HPV virus causing the wart. If the wart isn't painful or spreading, watchful waiting is a completely reasonable first approach.
Are warts contagious? Can my child spread them to other family members?
Warts are mildly contagious. They spread through direct skin contact with the wart or surfaces contaminated by the virus. The risk of spreading within a household is relatively low with simple precautions: don't share towels, cover warts with a bandage, and avoid touching or picking at them.
Can I use over-the-counter salicylic acid on my child's wart?
Yes, salicylic acid products (like Compound W) are safe and effective for common and plantar warts on hands and feet. Soak the wart in warm water, file gently with an emery board, apply the product, and cover overnight. Repeat daily for 4–12 weeks. Avoid using salicylic acid on the face without checking with your pediatrician first.
How does cryotherapy (freezing) work for warts?
Cryotherapy uses liquid nitrogen to freeze the wart. This causes the wart tissue to blister and die, falling off over 1–2 weeks. Multiple sessions spaced 2–4 weeks apart are often needed for complete removal. It can be uncomfortable but is generally well-tolerated by older children.
Are plantar warts (on the foot) dangerous?
Plantar warts are not dangerous but can be painful because the pressure of walking pushes them inward. If your child is limping or avoiding putting weight on their foot, treatment is worthwhile. Over-the-counter salicylic acid patches made specifically for plantar warts or in-office cryotherapy are both effective options.
When should I bring my child in to see the doctor for a wart?
Schedule an appointment if the wart is on the face, is painful, is bleeding or looks infected, is spreading rapidly, or hasn't responded to 3 months of at-home treatment. Any growth you're unsure about should be evaluated — we can confirm it's a wart and not something else requiring different treatment. For warts on sensitive or unusual areas, please call our office directly.
Do warts come back after treatment?
Yes, warts can return after treatment because the HPV virus may persist in surrounding skin even after the visible wart is gone. Recurrence is more common with warts in high-friction areas. If a wart returns, the same treatment approach can be repeated.
Need Personal Guidance?
This article provides general information. For questions specific to your child's health, please call our office or book an appointment online.