Verruca a due to a virus infection and a self limiting problem in that they will go away eventually. however, that can be a long time and the can be painful. For this reason most are treated and a few are resistant to treatment. A technique that is becoming popular among podiatrists to treat this is a needling technique in which the verruca is punctured multiple times. It is thought to stimulate the immune system so the body can get rid of the verruca itself.