Oct 1, 2024 · 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 …

Oct 22, 2025 · Urticaria, commonly known as hives, is an itchy skin rash. Learn more about what it looks like, common symptoms, possible causes, and how to treat it.

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. …

Oct 14, 2022 · Chronic urticaria refers to hives that happen at least twice a week for more than six weeks. Chronic, spontaneous urticaria is the name for chronic hives that don’t have an …

Dec 9, 2025 · Urticaria is also called hives. Hives can change size and shape, and appear anywhere on your skin. They can be mild or severe and last from a few minutes to a few days. …

Sep 11, 2025 · Hives (urticaria) is an inflammatory skin condition that causes bumps, or wheals, to form on the skin. Urticaria can occur with symptoms like angioedema (swelling) and …

Urticarial lesions usually appear as well-demarcated transient swellings involving the dermis. These swellings are typically erythematous and vary in size from pinprick to covering wide areas.

Oct 15, 2025 · Urticaria, commonly referred to as hives, is the most frequent dermatologic disorder seen in the ED. It appears as raised, well-circumscribed areas of erythema and …

Apr 30, 2025 · Urticaria, also known as hives, is a skin rash of raised, itchy bumps. The welts may also burn or sting. They often last hours or days, can move around, and don't leave lasting …

Hives, also known as urticaria, affect about 20 percent 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 …