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 happen when your immune system comes in contact with an allergen.

Jul 18, 2023 · Hives, also known as urticaria, are itchy, raised welts that are found on the skin. They’re usually red, pink, or flesh colored on lighter skin and may be flesh colored or slightly lighter or...

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.

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 and substances, including certain foods and medications. Angioedema can …

Apr 13, 2023 · Hives (urticaria) are a rash on your body. Identifying what triggered your hives is crucial to preventing them from happening again. If you can identify the trigger, you can avoid …

Oct 1, 2024 · Hives — also called urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts. Chronic hives are welts that last for more than six weeks and return often over months or years. Often, the cause of chronic hives isn't clear.

Hives can be a sign of alpha-gal syndrome, a rare food allergy that can develop after being bitten by the Lone Star tick. This tick is found in many U.S. states. During your appointment, your dermatologist will also ask about your medical history. Be sure to mention any recent medical treatments, including radiation therapy or a blood transfusion.

Jan 15, 2025 · Hives, also called urticaria, are red, itchy welts that can appear anywhere on the body and range from mild to severe. In darker skin tones, they may appear as a patch of skin slightly darker than the rest of the skin.

Jan 3, 2024 · 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...

Jan 2, 2017 · 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.