Learn about cold urticaria, an allergic reaction to cold temperatures, and its symptoms and treatment. Remain informed and seek solace.
According to the National Center for Advancing Translational Sciences, cold urticaria is a skin disorder that directly affects the skin. Its diagnosis depends on certain symptoms and indicators, which we discuss below, as well as its causes and possible remedies.
Dr. Demetrios Theodoropoulos says that it is impossible to determine what causes cold urticaria. But according to the National Organization for Rare Disorders, it is the most prevalent type of urticaria. Despite not usually being hereditary, cold urticaria has been linked to a number of blood disorders and infectious diseases, including viral hepatitis, cryoglobulinemia, and chronic lymphocytic leukemia. Another type of cold urticaria has been associated with a particular chromosome: familial cold urticaria. Humans contain twenty-three pairs of chromosomes, with the 23rd pair being different for males and females.
Unusual skin reactions to cold are the hallmark of cold urticaria, whether it is acquired or hereditary. Redness, welts, itching, and other symptoms including fever, anxiety, exhaustion, and fainting can be brought on by exposure to cold weather or swimming in cold water. Whereas inherited symptoms take 24 to 48 hours to manifest and can persist up to 24 to 48 hours in severe cases, acquired patients have a rash that appears within 2 to 5 minutes and lasts for one to two hours. Reflex cold urticaria manifests as broad welts when body temperature decreases after exposure to cold, whereas primary cold urticaria includes itching, reddening, burning, and hives.
There are several options available for treating cold urticaria. The Mayo Clinic recommends over-the-counter antihistamines like Zyrtec and Claritin because they efficiently block histamine release and relieve moderate symptoms. Systemic corticosteroids, which have anti-inflammatory properties, are also recommended by the National Center for Advancing Translational Sciences as a potential treatment. They also suggest Dapsone, which is especially helpful for some skin conditions since it lowers swelling and prevents bacteria from growing on the skin.
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