Definition
By Mayo Clinic staffChilblains are the painful inflammation of small blood vessels in your skin that occur in response to sudden warming from cold temperatures. Also known as pernio, chilblains can cause itching, red patches, swelling and blistering on extremities, such as on your toes, fingers, ears and nose.
Chilblains usually respond well to treatment and clear up within one to three weeks, though they may recur seasonally for years. Treatments typically consist of lotions and medication. While Chilblains don't usually result in permanent injury, they can lead to infection, which may cause severe damage if left untreated.
The best approach to chilblains is to avoid developing them by limiting your exposure to cold, dressing warmly and covering exposed skin.
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- Pierard GE, et al. Cold injuries. In: Wolff K, et al. Fitzpatrick's Dermatology in General Medicine. 7th ed. New York, N.Y.: McGraw Hill; 2008. http://www.accessmedicine.com/content.aspx?aID=2953356. Accessed July 22, 2010.
- Bielan B. What's your assessment? Dermatology Nursing. 2006;18:445.
- Patra AK, et al. Diltiazem vs. nifedipine in chilblains: A clinical trial. Indian Journal of Dermatology, Venerology and Leprology. 2003;69:209.
- Souwer IH, et al. Vitamin D3 is not effective in the treatment of chronic chilblains. The International Journal of Clinical Practice. 2009;63:282.
- Sheps SG (expert opinion). Mayo Clinic, Rochester, Minn. July 24, 2010.

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