Hives are itchy, raised bumps or welts that come and go on your skin. They’re most often red or skin-toned, but can look different depending on the color of your skin. They can be as small as a pencil eraser or as large as a dinner plate. Sometimes, you can also experience swelling deeper in your skin (angioedema). Hives are common. Hives are itchy, raised swellings on the body — they are also known as urticaria, welts or wheals. They can be triggered by insect bites, food, medicine, infections or heat. Most hives go away within 24 hours but some last longer or keep coming back. Hives can usually be treated with antihistamines and avoiding known triggers. Hives (urticaria) is a rash on the body. Identifying what triggered the hives is crucial to preventing them from happening again. If you can identify the trigger, you may be able to avoid. 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. “Hives or urticaria is a fleeting rash that occurs rapidly and goes away rapidly,” explains Jonathan Zippin, M.D., dermatologist at Weill Cornell Medicine and NewYork-Presbyterian. “A hive will. Hives typically occur as an allergic response to something in your environment or something you ate. But they may sometimes happen because of an underlying health issue. Hives, also known as. The main symptom of hives is an itchy rash. The rash can: Hives rash on the leg and hand of a child with white skin. The skin on most of their thigh is pink, raised and bumpy. At the side of their thigh, close to their hand, are deep creases in the skin. There are several types of hives, including: Acute urticaria. These are hives that last less than 6 weeks. The most common causes are foods, medications, and infections. Insect bites and. Hives (also called urticaria) are itchy red or white bumps on the skin that look like a nettle rash. Hives are common and are often caused by an allergic reaction, stress, infections, or certain medications. Most hives get better on their own within a few days. This leaflet discusses the causes, types, and treatment for hives. Hives, also known as urticaria, is a kind of skin rash with red or flesh-colored, raised, itchy bumps. [1]. Hives may burn or sting. [2]. The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and typically do not leave any long-lasting skin change. [2].