A corn, medically known as a clavus, is usually a cone-shaped area of hardened skin with an associated growth of a horny substance, found most commonly around the toes. It is caused by frictional pressure.
At the earliest sign of a change in skin texture on the feet, review your footwear and avoid any tight-fitting shoes and socks.
Regular applications of Arnica, Calendula or Urtica creams may soften and eventually reduce the corn.
Chiropodists, dermatologists or plastic surgeons will all be able to remove these efficiently but ensure that the above creams are used before and postoperatively to prevent infection and reduce the risk of recurrence.