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Hives — also called urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts. Chronic hives are welts that last for more than six weeks and return often over months or years. Often, the cause of chronic hives isn't clear.
Chronic idiopathic urticaria is another name for hives with an unknown cause. They might be a sign of an allergic reaction. We provide pictures of the condition and some popular...
What are chronic hives (chronic idiopathic urticaria)? Chronic hives are itchy, raised, red bumps or welts that appear on your skin at least twice per week. These welts, also called wheals, are chronic when they last more than six weeks.
When new outbreaks happen almost every day for 6 weeks or more, it’s called chronic idiopathic urticaria (CIU) or chronic spontaneous urticaria (CSU). One percent or less of people have it.
Definition. Symptoms. Causes. Diagnosis. Treatment. Diet. Summary. Urticaria is the medical term for hives. It causes bumps or raised patches to appear on the skin. Chronic idiopathic urticaria...
Chronic idiopathic urticaria (CIU) is the persistent, often daily appearance of hives (urticaria) that last for six or more weeks for no known reason. It is diagnosed after eliminating possible causes of chronic hives. CIU is treated with antihistamines and other medications if those don't help.
Overview. Hives, also known as urticaria, affect about 20% of people at some time during their lives. It can be triggered by many substances or situations and usually starts as an itchy patch of skin that turns into swollen red welts. What If Your Hives Do Not Go Away?
Chronic idiopathic urticaria (hives) is a condition in which itchy welts appear on the skin for 6 weeks or longer, with no identifiable cause.
Diagnosis. To diagnose chronic hives, your healthcare professional will likely talk with you about your symptoms and look at your skin. One of the telling features of chronic hives is that the welts come and go at random, with each spot usually lasting less than 24 hours.
Chronic idiopathic urticaria (CIU), also known as chronic spontaneous urticaria (CSU), is the medical term for long-term hives when the cause of hives is unknown. Learn about chronic urticaria, its symptoms, causes, and how to prevent it.