Acording to Mayo Clinic “common warts are caused by an infection with the human papillomavirus (HPV). More than 100 types of HPV exist, but only a few cause warts on your hands. Other types of HPV are more likely to cause warts on your feet and other areas of your skin and mucous membranes. Most types of HPV cause relatively harmless conditions such as common warts, while others may cause serious disease such as cancer of the cervix.”


There are several types of wart including common warts, verrucas, plane warts, filiform warts and mosaic warts. Most warts disappear on their own and do not need to be medically treated. Common warts may appear in any part of the body, but are more common on the knuckles, fingers, elbows and knees. Often they have tiny dark spots which are from blood vessels that have clotted.

From Mayo Clinic also says: “You can get warts from skin-to-skin contact with people who have warts. If you have warts, you can spread the virus to other places on your own body” You can also get the wart virus indirectly by touching something that another person’s wart touched, such as a towel or exercise equipment. The virus usually spreads through breaks in your skin, such as a hangnail or a scrape. Biting your nails also can cause warts to spread on your fingertips and around your nails.”


  • Common warts have a rough surface. They are firm and raised and may have a cauliflower surface type look. They are thickened bumps called papules or plaques.
  • Verrucas appear on the soles of the feet, sometimes the heel and toes. They usually grow back into the skin because the weight of the person pushes onto the sole of the foot.
  • Plane (plana) means flat. Plane warts are round, flat and smooth. They are generally yellowish, brownish or skin color. They are also known as flat warts and are more common among young children.
  • Filiform warts are long and can usually be found on the eyelids, neck and armpits.
  • Mosaic warts grow in clusters. Palmar warts are mosaic warts that grow on the palm of the hands and feet.

An HPV vaccine called Gardasil can protect men and women from the most common HPV strains that cause genital warts, and can also protect against strains of HPV that are linked to cervical cancer.  This vaccine protects against cervical cancer, but not against genital warts.


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