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A chilblain (perniosis)
is an abnormal tissue reaction to cold, when the temperature is above
freezing level. Chilblains occure mostly in cold
and humid climates among young people who are predisposed to
Raynaud’s vasoconstriction. A chilblain appears usually as a
bluish-red skin eruptions on extremities and is accompanied by
swelling,
itch and pain. |