(HealthDay News) — Warts surface when skin cells grow faster than normal due to infection from the human papillomavirus (HPV), says Harvard Medical School.

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About 10 strains of HPV cause skin warts, which can spread by direct contact through breaks in the skin.

To get rid of a wart, Harvard suggests trying a salicylic acid treatment:

  • Soak the wart for 10 to 15 minutes.
  • File away the dead skin with an emery board or pumice stone.
  • Apply salicylic acid to the wart area.
  • Repeat once or twice a day for 12 weeks.

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