Chilblains are a medical condition that occurs when small blood vessels in the skin become inflamed as a result of exposure to cold temperatures. They most commonly affect the toes, fingers, ears, and nose and can be itchy and painful. The affected skin may become red, swollen, and tender, and in severe cases, can develop blisters or ulcers. The symptoms typically appear a few hours after exposure to the cold and can last for several days or even weeks.

Chilblains are more common in people with poor blood circulation, such as those with diabetes or peripheral artery disease, as well as in people who have Raynaud’s disease. People who are exposed to cold temperatures for long periods of time, such as those who work outside in the winter, are also at higher risk of developing chilblains. To prevent chilblains, it is important to keep warm, especially in cold weather, by wearing warm clothing, gloves, and shoes. Avoiding tight clothing and keeping the affected areas dry and clean can also help to prevent chilblains from developing.

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