Chilblains, also known as pernio, is a type of cold injury that results in
red,
itchy, and tender areas of skin.[1][4] Less commonly
blistering and
ulceration may occur.[4] The fingers, toes, ears and cheeks are most commonly affected.[4]
Prevention is generally by keeping the hands and feet warm.[1] Other measures may include avoiding
caffeine and potentially taking
nifedipine.[1] Treatment may involve the use of
corticosteroid creams.[1] It may take a week or two for an episode to resolve.[1]
Chilblains is relatively common in regions of the world with cold climates.[8] The young and old are most commonly affected.[1] Women are more commonly affected than men.[8] The condition has been described since at least the
1st century by
Pedanius Dioscorides of Anazarbus.[9]
^Bolognia, Jean L.; Jorizzo, Joseph L.; Schaffer, Julie V. (2012).
Dermatology E-Book. Elsevier Health Sciences. p. 1493.
ISBN978-0-7020-5182-1.
Archived from the original on 2021-08-28. Retrieved 2020-12-01.