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. Allergic reactions …

Jul 18, 2023 · 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, …

Mar 16, 2024 · You've heard of hives, but do you know what they are? Find out more about this common skin condition from this informative guide.

Dec 8, 2025 · Hives are little bumps caused by an immune system reaction and can be short-term or chronic, and typically resolve on their own. Relief can be found from medications, anti-itch products, …

Sep 24, 2024 · Hives, also called urticaria, are circumscribed swellings on the skin that often are itchy. Often they are pink or red, but they don't have to be. Hives happen when the cells in the skin called …

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 primary …

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 that turns …

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. Their hand is …

Aug 6, 2025 · Summary Hives are red and sometimes itchy bumps on your skin. An allergic reaction to a drug or food usually causes them. Allergic reactions cause your body to release chemicals that can …

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 …