Feb 23, 2022 · Hives, or urticaria, are raised rashes that can develop as red or purplish spots or patches. The rashes are often itchy and uncomfortable. Hives typically occur when mast cells, which are part...

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).

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.

Jul 20, 2023 · Hives are an itchy reaction on your skin. They happen when a chemical called histamine is released in your body. They can appear anywhere on your body and can be tiny pinprick-sized bumps...

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 …

Sep 12, 2022 · Hives (also called urticaria) are itchy, red, and raised bumps on the skin. Hives can happen for several possible reasons, and they can also seem to appear without cause. Hives usually are not dangerous. They can be short term and disappear within a day, or they can last weeks or longer.

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...

Feb 27, 2025 · Two common types of skin rashes include hives and eczema. A doctor or dermatologist can help determine its cause and prescribe the best course of treatment to relieve your symptoms. Read on to learn more about the possible causes, related symptoms, and treatment options for a rash on your arm. What causes an arm rash?

Jan 3, 2024 · Hives often appears as a raised, itchy rash. 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...

Hives rash on the leg, arm and hand of a person with white skin. Small, slightly raised pink spots cover their leg. Some are close together and some are further apart. The same spotty rash spreads along the side of their arm and across the top …