Typical causes of foot problems – and ulcers:
A small pebble or some other foreign object in the shoe causes an ulcer in the foot unnoticed because sensation in the foot is reduced
Stepping barefoot on a sharp rock, piece of broken glass, drawing pin or nail
Cutting yourself on the sharp edge of the ice during ice swimming
Cutting yourself when clipping your nails
Removing a callus a bit too heavy-handedly
The chafing or pressure caused by shoes that are a bit too narrow or short results in a sore, ulcer or blister
A burn caused by washing your feet in water that is too hot
A burn caused by lifting your feet too high up in the sauna
Frostbite resulting from wearing shoes that are too small or socks that are too thin
Broken skin caused by a corrosive product, such as a callus or wart remover