Calluses and corns occur when your skin is reacting to pressure, friction, or injury. Over time, as your foot rubs against pressure from an object like a shoe, the outer layer of skin thickens. This reaction occurs as the skin dies and creates a protective surface. Corns are similar to calluses, except they have an inner core that can be soft or hard. Calluses and corns are usually not painful, and they are very common with people who are active or frequently do repetitive actions.
Corns and calluses are very normal, however if they grow large enough to cause pain, you should consult a doctor. Some symptoms include:
The symptoms of corns and calluses can be reduced through footwear modifications, doctor treatment or surgery. Symptoms can be reduced by: