Oct 14, 2022 · Hives, a skin rash that’s often very itchy, often results from an allergic reaction to food or something you’ve touched. Hives can go away quickly (acute hives) or last a long time (chronic hives). Treatments may include antihistamines or steroids.

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 or years. Often, the cause of chronic hives isn't clear. The welts often start as itchy patches that turn into swollen welts that vary in size.

Mar 16, 2024 · Hives are itchy welts that can appear anywhere on your skin and sometimes last minutes or days. They may be a sign of serious issues, especially if you have trouble breathing.

Oct 27, 2023 · 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 …

Jul 18, 2023 · Hives, also known as urticaria, are itchy, raised welts that are found on the skin. They’re usually red, pink, or flesh colored on lighter skin and may be flesh colored or slightly lighter or...

Hives, also known as urticaria, affects 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 that turns into swollen red welts.

Apr 17, 2023 · 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 skin changes....

5 days ago · Around 20% of people will experience hives at some point in their lifetime, commonly caused by an allergic reaction. During an allergic reaction, your body releases chemicals called histamine into the blood. This is an immune system response resulting in swelling, itching, and other symptoms of hives.

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. Alternative Names. Urticaria - hives; Wheals. Causes. When you have an allergic reaction to a substance, your body releases histamine and other chemicals into the blood.

Hives are red, itchy, slightly elevated swellings. The swelling is caused by the release of chemicals (such as histamine) from mast cells in the skin, which cause fluid to leak out of small blood vessels temporarily. Itching may be severe. Hives have clearly defined borders and may have a pale center. Typically, crops of hives come and go.