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  1. Hives: Causes, Symptoms, Diagnosis, Treatment & Prevention

    Oct 14, 2022 · Hives (also called urticaria) refers to raised and splotchy areas of skin that can be caused by an allergic reaction to something. Hives may go away on their own.

  2. Urticaria (Hives): a complete overview — DermNet

    Urticaria (hives) is a skin rash presenting as an itchy red rash or lumps called weals. Depending on the trigger, hives can last in duration from a few hours to a week.

  3. Hives - American College of Allergy Asthma and Immunology

    Hives, also known as urticaria, are red and sometimes itchy bumps on your skin. Learn about the hives symptoms, diagnosis and treatment here.

  4. Urticaria Definition, Symptoms, Causes, and Treatment

    Oct 22, 2025 · Urticaria, commonly known as hives, is an itchy skin rash. Learn more about what it looks like, common symptoms, possible causes, and how to treat it.

  5. Hives (Urticaria) & Angioedema Symptoms, Diagnosis & Treatment

    The AAAAI offers information on hives (urticaria) and angioedema symptoms, diagnosis & treatment.

  6. Hives (Urticaria) | AAFA.org

    The medical name for hives is urticaria. Hives are a common sign of an acute allergic reaction. Hives can also occur due to other causes, including a viral infection. Chronic hives last longer than 6 weeks …

  7. Urticaria - What You Need to Know - Drugs.com

    3 days ago · Care guide for Urticaria. Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.

  8. Hives, Urticaria, and Angioedema: Symptoms, Causes ... - WebMD

    Apr 30, 2025 · WebMD looks at hives (also known as urticaria) and angioedema, including their causes, diagnosis, treatment, and management.

  9. Hives (Urticaria) - Harvard Health

    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 …

  10. Hives and angioedema - Symptoms and causes - Mayo Clinic

    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 …