{"id":28,"date":"2024-01-25T13:26:07","date_gmt":"2024-01-25T13:26:07","guid":{"rendered":"https:\/\/chronichives.com\/?p=28"},"modified":"2024-02-01T08:01:29","modified_gmt":"2024-02-01T08:01:29","slug":"what-is-chronic-urticaria","status":"publish","type":"post","link":"https:\/\/chronichives.com\/what-is-chronic-urticaria\/","title":{"rendered":"Chronic Urticaria or Hives"},"content":{"rendered":"\n\n
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Chronic urticaria (CU) is a type of hives, also called nettle rash, that lasts for more than six weeks. Shorter bouts of hives are considered acute urticaria and are treated differently.<\/p>\n\n\n\n

Urticaria can be a manifestation of many conditions and illnesses, rather than one illness. Current research has shown that up to half of all CU is autoimmune, which means your body is making antibodies against itself, resulting in the activation of basophils and mast cells. When these cells are activated, they release many different chemicals, including histamine, which results in hives, and in some people other allergy-like symptoms as well.<\/p>\n\n\n\n

CIU stands for chronic idiopathic urticaria. The term idiopathic\u00a0simply means ‘of unknown cause’. The diagnosis is often made by ruling out known causes, but some causes, like mastocytosis, cannot be ruled out. You will need to work with your doctor to rule out the things that can be ruled out, to find patterns by keeping a diary, and to find the medicine ‘cocktail’ that works most effectively for you.<\/p>\n\n\n\n

Autoimmune Urticaria<\/span><\/h2>\n\n\n\n

The most likely reason someone has chronic urticaria is that their body is making autoantibodies, resulting in mast cell and basophil activation, which then results in the release of histamine, causing hives. According to various studies, the number of cases of chronic urticaria that are indicated as autoimmune ranges from around 25% to as high as 76%. Generally, most reports claim around 30 to 50% of chronic hives are autoimmune. So far only two of the autoantibodies have been identified:<\/p>\n\n\n\n