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Chilblains (/ËtÊÉªlbleÉªnz/) â also known as pernio, Chill Burns and perniosis â is a medical condition that occurs when a predisposed individual is exposed to cold and humidity, causing tissue damage. It is often confused with frostbite and trench foot.
Prolonged restriction of the blood supply to the hands and feet may lead to chilblains â shiny red or purple lumps on the fingers or toes that can be painful and itchy. Cold hands and feet and the development of chilblains can be prevented in four simple ways. Dress warmly in cold weather. Stop or reduce smoking. Get exercise that raises your pulse rate for about 20 minutes every day. Eat regular, nutritious meals to fuel your body so that it raises metabolism, creating heat.