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Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
Severe reactions can be seen with exposure to cold water; swimming in cold water is the most common cause of a severe reaction. This can cause a massive discharge of histamine, resulting in low blood pressure, fainting, shock and even loss of life. Cold urticaria is diagnosed by dabbing an ice cube against the skin of the forearm for 1 to 5 ...
Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases, and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti-inflammatory drugs. The hives and angioedema seen in CSU is thought to be linked to the degranulation of skin mast cells.
Experiencing cold hands is usually not a cause for concern. However, if you notice that your hands are feeling cold all of the time, cold hands may indicate the presence of an underlying medical ...
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The causes vary, but are often rooted in excess oil and bacteria on the face, chest, or back, which can be triggered by hormonal issues, stress, certain foods, and irritating products.
As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic reaction, when in fact it is the act of being scratched that causes a wheal to appear. These wheals are a subset of urticaria (hives), and appear within minutes, in some cases accompanied by itching. The first outbreak of ...
This condition is characterised by cold induced urticaria, autoimmunity, atopy and humoral immune deficiency. [2] The humeral immune deficiency results in recurrent bronchopulmonary infections. Cutaneous granulomas may also occur. [citation needed] The urticaria usually appears within 12 months of birth but may appear immediately after birth. [3]
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