chilblains definition - Health Topics
Chilblains, also known as chilblain, pernio, and perniosis are small, itchy swellings on the skin associated with exposure to the cold. Chilblains are not painful at first, but can become painful. Chilblains (CHILL-blayns) is a condition that causes inflamed swollen patches and blistering on the hands and feet.
Understanding the Context
It's caused by exposure to damp air that's cold but not freezing. Chilblains, also known as pernio, are small patches of inflamed skin. They develop after exposure to air that’s cold or damp (but not freezing). Chilblains, also known as pernio, are swollen, red or bluish areas on your skin that can happen if you stay out in cold, wet weather for too long.
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Key Insights
Sometimes they can become blisters or sores. Chilblains, also known as pernio, is a medical condition in which damage occurs to capillary beds in the skin, most often in the hands or feet, when blood perfuses into the nearby tissue, resulting in redness, itching, inflammation, and possibly blisters. Chilblains, or pernio, are red or purple bumps that develop on the hands and feet after exposure to cold or damp. Chilblains can be uncomfortable, but they usually heal on their own within 2 to 3 weeks. What are chilblains?
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Chilblains are tender and/or itchy bumps on acral sites following exposure to damp, cold, non-freezing conditions causing a localised form of vasculitis. Chilblains are also called pernio or perniosis. Chilblains are painful, itchy, red blisters that arise typically on the hands and feet after exposure to cold temperatures and damp conditions. This most often occurs during the fall and spring seasons, where temperatures hover just about freezing.