Wart

Small, rough growth resembling a cauliflower or a solid blister, often found on hands

Warts are growths on the skin. Very often they resemble solid blisters. Usually, applying pressure to a wart causes pain. Warts are caused by viruses in the HPV family. As there are many types of viruses in the HPV family, there are also many types of wart. In most cases, warts are not dangerous, but may cause a lot of pain.

Warts on the big toe
A common wart under the microscope

The virus infects skin cells; if these skin cells move to other areas, new warts can grow there. Warts contain tissue that bleeds easily. A bleeding of this tissue allows the wart to spread to other places. In general, coming in contact with infected tissue spreads the infection.

There are different ways of getting rid of a wart:

  • The immune system fights the virus, and can make the wart disappear.
  • There are different drugs; many of them are corrosive acids. Regular application on the skin kills the cells which were infected by the virus. Other drugs strengthen the immune system.
  • Some of the acids are difficult to handle, or have side-effects. Often, trained medical personnel is needed for their use.
  • Different forms of surgery exist: Using a laser, electricity, or infrared radiation. Very often, the use of surgery causes scars.

Types of wartschange

There are different types of warts, caused by different HPV viruses:

  • common wart: a wart standing out, with a rough surface, usually occurs on hands or knees.
  • flat wart: A small smooth flattened wart,which can occur in large numbers. Most common on the face, neck, hands, wrists and knees;
  • filiform or digitate wart: These warts look like threads or fingers. Most common on the face, especially near the eyelids and lips;
  • plantar wart: A hard sometimes painful lump, often with many black dots in the center; usually only found on pressure points on the soles of the feet and on hands;
  • mosaic wart: Many plantar warts close together. Usually on the hands or soles of the feet
  • genital wart A wart that occurs on the genitals.

Getting rid of wartschange

There are different ways of getting rid of a wart:

  • There are some over the counter drugs, that usually contain an acid, very often salicylic acid. Getting rid of a wart that way involves cleaning the area around the wart, and treating it with the acid. This will slowly kill wart tissue. Dead tissue can then be removed. Getting rid of a wart that way usually takes several weeks. There are different drugs, with different acids. Some prescription drugs may contain stronger acids, such as chloroacetic acid or silver nitrate. All acids are caustic. This means, healthy tissue around the wart needs to be protected, before the substance is applied.
  • It is possible to kill off the wart using extreme cold (called cryotherapy). A physician or a specialist doctor for skin diseases usially does this. Before the cold is applied, a local anestetic is used to reduce the pain. Using this method will cause scars.
  • It is possible to do a special chemotherapy, called cytostatis. This will prevent cell growth.
  • It is possible to boost the immune system so it can better fight the wart.
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