Medically reviewed by Daniel More, MD Key Takeaways Hives can cause red, itchy bumps or welts on the skin.Hives might be ...

Up to 30% of people with chronic hives (also known as chronic urticaria) have an underlying autoimmune disease that affects the thyroid gland in the neck. Chronic hives are especially common in people ...

— meaning the cause is unknown — or it could be prompted by a variety of factors that combine and make hives linger. Unlike acute hives, a condition that lasts for short periods and tends to be ...

Urticarial vasculitis is an autoimmune condition that causes itchy or painful hives. Some people may also develop inflammation in other organs, such as the kidneys or lungs. Vasculitis is a group of ...

Patients with CSU have an elevated risk of anxiety and depression, necessitating comprehensive management strategies. Research is focused on identifying biomarkers and clinical characteristics to ...

Progesterone dermatitis is a rare immune sensitivity condition. Symptoms present like common skin conditions, including eczema and hives, or allergic reactions. Experts weigh in to help you understand ...

Urticaria, more commonly called hives, can be acute or chronic, depending on how long symptoms last. Chronic urticaria can be treated with medication, and some people experience remission after 1 year ...

Chronic urticaria (CU) is a dermatological condition characterized by recurrent wheals (hives), angioedema (deep tissue swelling), or both, persisting for over 6 weeks. 1 Unlike acute urticaria, which ...

Hives are itchy red or white bumps that often stem from an allergic reaction. Unlike some other rashes, hives are not contagious and are an allergic-type reaction. Hives and other rashes can become ...

Hives, or urticaria, can occur for many reasons, such as exposure to an allergen or a physical trigger, like pressure from tight clothing. It may also indicate an infection or another underlying ...