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If you experience large, red wheals or swelling on your
skin after going out in the cold, you might have cold hives.
There are two basic types of cold hives; familial
cold hives (also called inherited cold hives) and acquired cold hives.
Exposures that may cause cold hives vary greatly, from holding a cold
object, dipping body parts in cold water or
ice, to exposure that includes wind, and walking or swimming in
extremely cold environments. If you are prone to this problem, it is
best to avoid these stimuli.
Cold Allergy Hives
In medical language, cold allergy is called cold allergy
hives or simply cold hives. It is quite similar in appearance
to some hives
food allergies. What actually happens in this type of allergy is
that when your skin is exposed to a cold stimulus, it triggers the
release of histamine and other chemicals in the skin. This causes
allergic symptoms on the skin like itching, swelling, and redness.
As with any other solution for allergies, for cold allergy hives it
is equally important to avoid the allergen to prevent an allergic
reaction.
Cold Hives Urticaria
Urticaria is the medical name for hives. Cold hives
urticaria is a type of allergy where large, red swellings form on the
skin after being exposed to a cold stimulus. In most cases,
these swellings are itchy, and often, the hands and feet become swollen
as
well. Their size can vary from the size of a pencil eraser to as big as
a fifty-cent piece or even larger.
If your cold hives last for more than six weeks, it is classified as
chronic, but this happens in rare cases. However, in some extreme
cases, the patches can remain for a lifetime.
P.S. (from
Dr. Gary M. Levin, M.D. & Surgeon)
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