2022年10月14日 · 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. Hives are a type of allergic reaction that creates itchy bumps on your skin. What are hives?

Hives, also known as urticaria, is a kind of skin rash with red and/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 …

2024年3月16日 · Urticaria, also known as hives, is an outbreak of pale red bumps or welts on the skin that appear suddenly. The swelling that often comes with hives is called angioedema. Allergic reactions,...

2023年7月18日 · 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.

2024年1月3日 · 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 in...

2024年6月20日 · Hives (or urticaria) is an itchy rash caused by tiny amounts of fluid that leak from blood vessels just under the skin surface. A trigger causes cells in the skin to release chemicals such as histamine.

2024年9月24日 · 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 mast cells release histamine, a chemical that …

Hives (urticaria) are red, itchy, raised bumps on the skin. They often last less than 12 hours in one area of the skin. What causes hives? Hives may last for a short or long time. If hives last for a short time or come with other symptoms, the cause could be an allergic reaction from eating certain foods or taking certain medicines.

Check if it's hives. The main symptom of hives is an itchy rash. The rash can: be raised bumps or patches in many shapes and sizes; appear anywhere on the body; be on 1 area or spread across the body; feel itchy, sting or burn; look pink or red when affecting someone with white skin; the colour of the rash can be harder to see on brown and ...

2017年1月2日 · Hives is a skin rash that can cause the skin to be red and have itchy bumps. Learn possible reasons to have rashes and treatments.