2022年9月15日 · "Urticaria" is the medical term for hives. Acute hives last for up to six weeks, while chronic hives last longer. Symptoms of hives include redness, swelling, itching, and spreading across the skin.

2024年10月1日 · 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.

2024年1月3日 · The medical name for hives is “urticaria.” People also call it welts, wheals, or nettle rash. Hives affects around 20% of people at some time in their lives.

Hives (also called urticaria) refers to raised and splotchy areas of skin that can be caused by an allergic reaction to something. Hives may go away on their own.

Hives, also known as urticaria, are red and sometimes itchy bumps on your skin. Learn about the hives symptoms, diagnosis and treatment here.

2024年3月16日 · Urticaria, also known as hives, is an outbreak of pale red bumps or welts on the skin that appear suddenly. The swelling that often comes with hives is called angioedema.

2023年10月27日 · Hives — also known as urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts that range in size from small spots to large blotches. Hives can be triggered by many situations and substances, including certain foods and medications. Angioedema can arise with hives or alone.

Urticaria is characterised by very itchy weals (hives), with or without surrounding erythematous flares. The name urticaria is derived from the common European stinging nettle Urtica dioica. Urticaria can be acute or chronic, spontaneous or inducible.

Hives are raised, often itchy, red bumps (welts) on the surface of the skin. They can be an allergic reaction to food or medicine. They can also appear without cause. Urticaria - hives; Wheals. When you have an allergic reaction to a substance, your body releases histamine and other chemicals into the blood.

2024年9月24日 · Hives, also called urticaria, are circumscribed swellings on the skin that often are itchy. Often they are pink or red, but they don't have to be. Hives happen when the cells in the skin called mast cells release histamine, a chemical that …