Warts: Causes and Types

Warts, also known as Verruca vulgaris, are small skin growths that are benign and non-cancerous in nature.Warts
Warts, also known as Verruca vulgaris, are small skin growths that are benign and non-cancerous in nature.

What causes warts?

Warts are caused by HPV (Human Papilloma Virus), there are more than 100 types of HPV that cause harmless warts on the skin. This virus tends to trigger the skin cell growth and forms a hard layer of cells on the skin.

Where do they appear?

Warts commonly appear on hands and feet. However, some strains of HPV cause warts around genitals especially in women which can be a sign for malignant growth and cervical cancer.

How do warts spread?

Warts are highly contagious in nature and spread through direct skin-to-skin contact from one person to another. Warts also spread if you pick on your wart and touch another part of your body wart can also spread to that part of the body. They can also spread through towels, clothes and razor blades of an infected person. It takes around 6 months for a wart to appear after exposure to the virus.

What are the type of warts?

There are 5 types of warts that appear on different parts of the body and also differ in the appearance.

  1. Common warts:- appear on fingers, toes or hands. Harmless and not painful in nature. Looks like small, hard, grain like growth on the skin, rough in texture.

  2. Flat warts:- also known as juvenile warts as they are mostly found in young adults and children. They are flat-topped as if the wart has been scrapped off, smooth in appearance and flesh colored to brown in color. Appear on the face, arms, back and legs they grow in large numbers like in a cluster of 10 to 100.

    Flat Warts

  3. Plantar warts:- present on the soles of feet these warts are not outward but inward growth of cells. It is present on the sole mainly over the pressure bearing areas of the feet and feel as if you are walking on pebbles mostly present in clusters.

  4. Periungual warts:- cauliflower like wart around the toenail or fingernails mostly present in children and young adults. Mostly present in clusters.

    Periungual warts

  5. Filiform warts:- skin toned small growth on the skin. Appears around mouth, chin, eyelids or neck, not present in clusters and not harmful in nature.

    Filiform warts


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