Medically reviewed by Jurairat J. Molina, MD Chilblains, also known as pernio, is an uncommon condition in which tiny blood ...

Chilblains are a curse of winter for many people and especially if you spend time outdoors hiking, trail running, climbing, skiing or wild swimming. Also known as pernio or perniosis, the ...

Chilblains are itchy, purple-red swellings which usually occur on the fingers or toes. They are related to excessive narrowing and constriction in the small blood vessels of the digits, usually as ...