
Hives: Causes, Symptoms, Diagnosis, Treatment & Prevention
Oct 14, 2022 · 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 …
Hives - Symptoms, Causes, & Treatment - WebMD
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.
5 Common Causes of Hives and What to Do About It
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 …
Hives: Causes, Risks, Prevention, and Pictures - Healthline
Jul 18, 2023 · 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.
Hives - Wikipedia
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 …
Hives | Rash | Skin Rash | Itchy Skin | MedlinePlus
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 …
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 …
Hives (Urticaria): Types, Symptoms, Treatment and More - Health
Sep 11, 2025 · Hives arise due to the activity of skin cells and the release of histamine. Your immune system releases this chemical in response to an allergen, which causes symptoms. …
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 …
Hives: FAQs - American Academy of Dermatology
May 30, 2024 · What are hives? Hives Hives are a skin reaction that causes bumps, raised patches, or both to suddenly appear. These bumps and patches often itch intensely. Most …