What are hives? Hives are raised red bumps (welts) or splotches on the skin. They’re a type of swelling on the surface of your skin and happen when your body has an allergic reaction. …

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.

Dec 8, 2025 · Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is uncomfortable, but it’s often not serious.

Jul 18, 2023 · Hives, or urticaria, are itchy, raised welts that are found on the skin. Hives are often caused by an allergic reaction. Learn the signs and how to identify them.

6 days ago · There are many types of hives, including acute and chronic, as well as rarer types that occur due to specific triggers. Learn more here.

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 …

Hives, also called urticaria, are a raised, itchy area of skin. Learn the types, causes, symptoms, diagnosis, treatment, and complications of hives, as well as see pictures of them.

Aug 4, 2025 · Learn the causes, symptoms and treatment options for hives (urticaria). Hives are itchy, red bumps that show up on the skin. They’re pretty common, with 1 out of 5 people …

Sep 11, 2025 · Hives can present with a variety of symptoms, including wheals, angioedema, and itching. You might also develop systemic symptoms, such as headaches and nausea. The …

Jul 1, 2025 · Dr. Volertas explains why hives appear and how you can make them go away. What Causes Hives? Hives are caused by histamine, a chemical released by the immune system …