Chronic urticaria, or hives lasting over six weeks, typically results from autoimmune reactions rather than allergies. In 80-90% of chronic cases, the immune system mistakenly attacks healthy skin cells, releasing histamine and causing recurring welts. Common triggers include stress, hormones, certain medications, infections, or underlying autoimmune conditions like thyroid disease. Unlike acute hives from food allergies, chronic hives rarely have identifiable external triggers. Heat, cold, pressure, or exercise can worsen symptoms. Most chronic urticaria cases resolve within 1-5 years, though some persist longer. Antihistamines provide relief, while severe cases may require immunosuppressive treatments or omalizumab injections.
What autoimmune conditions cause recurring hives?
Can stress trigger hives that come and go?
When should I see a doctor for persistent hives?
This article explains how to distinguish between short-term allergic hives and chronic autoimmune urticaria. It covers diagnostic criteria and treatment approaches for each type.
Learn about thyroid disease, lupus, and other autoimmune conditions that can cause persistent hives. The article includes information on testing and management strategies.
Comprehensive guide to antihistamines, prescription medications, and daily habits that help control chronic urticaria symptoms. Includes dietary considerations and stress management techniques.
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