These are painful tender appearing on the hands or on the foot. These are confined to a small area with an ability of soreness of the skin. This disorder of the skin happens in winter and usually in cold oriented regions where temperature drops to extreme. It is not a major problem and can be cured by some medication and natural therapies.
To know and to be sure one can look for symptoms such as itching on the extremities of the body such as toes, nose, fingers, and ears that become red. Swelling, burning sensation, and lot of pain can follow if not taken care off.
The main cause of this would be poor circulation in the body usually caused by revelation to cold and very much seen in old people cause of their poor circulation. Generally said it is an abnormal reaction to blood, so should take care when going out in cold, wear proper clothing to avoid too much exposure to cold. In addition, damp living conditions can also form a place for this disorder. Other factors can be dietary, people who suffer from anemia, or it can be hereditary.