Corns and calluses develop from repeated friction, rubbing or irritation, and pressure on the skin. The most common cause is shoes that don’t fit properly.
Corns are small lumps of hard skin.
Calluses are larger patches of rough, thick skin.
Corns and calluses can also be tender or painful.
A callus presents as a broad-based diffuse area of hard growth with relatively even thickness, usually at the ball of the foot. It lacks a distinct border. The affected skin is rough and discolored, varying in color from white to gray-yellow or brown.
Calluses are more common in women than in men.
Common symptoms include: