Warts

Small, rough growths on the skin caused by a virus. They're harmless and often go away on their own.

SkinInfectionLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Small, firm, rough lumps on hands or feet; verrucas on the soles can be painful when walking.

Common Treatments

Often no treatment needed. Salicylic acid, freezing or other treatments for persistent warts.

Risk Factors

Skin damage, walking barefoot in shared areas, weak immunity and close contact.

OverviewSymptomsCausesTreatmentFAQ

Overview

Warts are caused by human papillomavirus (HPV), which infects the top layer of skin.

Most warts clear without treatment within two years. Genital warts are a different condition and need medical advice.

Symptoms

Rough lumps

On fingers and hands.

Verrucas

Flat, painful warts on soles.

Black dots

Small clotted blood vessels.

Spreading

New warts may appear nearby.

Causes & Risk Factors

Biological Causes

HPV infection through small cuts in the skin.

Key Risk Factors

  • Shared spaces Swimming pools and changing rooms.
  • Skin damage Cuts and biting nails.
  • Weak immunity More and longer-lasting warts.

Management & Treatment

01. Leave alone

Many go away by themselves.

02. Salicylic acid

Applied daily for weeks.

03. Freezing

Cryotherapy by a doctor.

Frequently Asked Questions

Are warts contagious?
Yes, through direct contact.
Can I cut them off?
No, this can cause bleeding and infection.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.