DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Chilblains. Chilblains on the fingers of a 16 year old girl. Chilblains are itchy red swellings caused by excessive constriction of the small blood vessels below the skin's surface. Chilblains are normally caused by the cold and mostly affect the fingers and toes of children and the elderly. They generally heal without treatment. People susceptible to chilblains should keep their hands and feet warm in cold weather.
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