Warts are benign, usually painless growths on the skin caused by a viral infection. They are extremely common and can affect any area of the body. They are more common in children and are contagious. There are several treatment options available to treat warts. More common treatments include prescription at home topicals, in office blistering agents, immunotherapy, cryotherapy (freezing) or Electrocautery (burning). The number of treatments needs vary based on the location of the wart, the size and number of warts, etc.