Oct 1, 2024 · The welts that come with hives are caused by the release of immune system chemicals, such as histamine, into your bloodstream. It's often not known why chronic hives happen or why …

Oct 27, 2023 · Learn more about these common but short-lived skin conditions, their symptoms, causes and home remedies, and how to prevent them.

Oct 1, 2024 · Learn how this long-lasting skin condition that causes painful, itchy, recurring welts is diagnosed and what treatments may offer relief.

Oct 27, 2023 · Learn more about these common but short-lived skin conditions, their symptoms, causes and home remedies, and how to prevent them.

May 6, 2025 · Cold urticaria (ur-tih-KAR-e-uh) is a reaction that appears within minutes after skin is exposed to the cold. Itchy welts, also called hives, arise on affected skin.

Nov 9, 2024 · Learn which medicines are more likely to cause an allergic reaction, what symptoms look like and what treatments can calm such a reaction.

Sep 20, 2025 · To avoid a reaction, don't drink alcohol or the particular type of alcoholic beverage that causes your reaction. Read beverage labels for the ingredients or additives you know cause a …

May 2, 2024 · Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable.

Feb 16, 2016 · Hives (urticaria) are raised, red or white itchy welts on your skin. A sudden onset of hives (acute hives) usually has an identifiable cause or trigger — such as insect stings or bites, …

Aug 30, 2024 · Even a tiny amount of the allergy-causing food can trigger symptoms such as hives, swollen airways and digestive problems. In some people, a food allergy can cause severe symptoms …