Understanding Hives (Urticaria)

What is Hives (Urticaria)?

Hives, also known as Urticaria, are red, itchy welts or bumps that appear suddenly on the skin. They can vary in size, shape, and location, and often fade within hours or days. Hives are usually a reaction to allergens, such as certain foods, medications, insect stings, or environmental triggers, but can also be caused by stress, infections, or physical factors like heat or pressure. In some cases, the cause may remain unknown. Hives are not contagious, but they can be uncomfortable or disruptive. Most cases are temporary and can be treated with antihistamines, while chronic or severe episodes may require further medical evaluation and specialized care.