Cold Hives: Causes, Symptoms and Treatment
Cold hives also known as cold Urticaria is a skin allergic reaction caused due to exposure of body to the extreme cold temperature. These appear as large red welts on the skin surface. Person suffering from cold hives experience itching, swelling, redness and pain. Cold hives vary in size and shape. Usually hives disappear after few weeks but sometimes it lasts for more than six weeks and condition become chronic. The condition should not be taken lightly and proper treatment should be done at initial stage.
Cold hives are caused due to reaction of body to cold stimulus. Exposure to cold temperature triggers release of histamine and other chemicals into the bloodstream that causes redness, swelling and itching on the skin surface usually where the exposure takes place. Beside that swimming in cold water is most common cause of cold hives.
Cold Urticaria can occur at any age. A type of urticaria called primary acquired Urticaria is very common in children and young adults. However, this type of urticaria disappears on its own within two to three years. Beside that cold hives also caused when you have viral infection or underlying health conditions like arthritis or hepatitis. Cold hives is also associated with familial cold autoinflammatory syndrome which causes painful welts and flu-like symptoms after exposure to cold.
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Severity of cold hives symptoms vary from person to person. Some people have minor reactions while other has severe reactions to cold. The symptoms of cold hives start immediately after skin is exposed to cool temperature or a sudden drop in air or water temperature. In many cases, cold hives occur when skin is exposed to temperature lower than 4.4 degree Celsius or 40 degree Fahrenheit. Some of the common symptoms of cold hives include:
- Reddish, itchy welts on area of skin exposed to cold
- Welts usually last for about half an hour
- Swelling of hands while holding cold object
- Swelling of lips while eating refrigerated food
In severe cases, there may be chills, fainting, fast heart beat and swelling of the limbs and trunk. Cold hives treatment include avoiding exposure to cold temperature. Certain antibiotics and over the counter drugs are used to alleviate the symptoms of cold hives. Antihistamines like zytrek, allegra, xyzal block the release of histamine and reduce the hives symptoms. However, these antihistamines are not so effective and may cause some side effects.
