Corns on the feet are due to an excessive amount of pressure on that place where the corn is. To get rid of corns, all you have to do is take away that pressure that caused the corn. Its that simple. A corn or a callus is part of a normal activity that the skin goes through to protect itself. Whenever there may be an excessive amount of pressure on an area of skin, the skin thickens up to guard itself. However, if that pressure continues over a extended period of time, then the skin will become so thick that it can be painful. In the event that pressure is spread over a bigger area, then that is called a callus. If that pressure is over a lesser more focal area, then that may be a corn. The sources of that increased pressure is usually a number of things such as a claw toe, hallux valgus or a dropped metatarsal. A good diagnosis is commonly necessary to identify just what it is that is causing that higher pressure and how simple it will be to get rid of that greater pressure.
To get rid of corns permanently, you will have to get rid of the reason for them. An experienced podiatrist could easily get rid of a callus and corn by carefully debriding it using a scalpel. Nevertheless, that corn will come back should the reason for them is not really eliminated. They don't really return for the reason that the podiatrist didn't get rid of it thoroughly or because the corn has roots (they don’t). They keep returning for the reason that the pressure that caused them continues. That needs to be eliminated if the corns is to be stopped from re-occurring. The way in which this pressure is taken away is determined by what is causing the greater pressure. It may be as simple as getting a better fitting pair of shoes or it may be as complex as needing some surgery to fix the toe deformity which is creating the pressure creating the corn.