Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

For Yacino, a recent fever had triggered an immune response that caused her cold urticaria. Unfortunately, many others never find out the specific cause. The symptoms of this skin condition will ...

An estimated 5,000 people in the United States are living with Eosinophilic Granulomatosis with Polyangiitis (EGPA), a rare ...

“This causes the skin to feel irritated and an allergic reaction occurs, the result of which is hives and swelling.” Other reported symptoms of exercise-induced urticaria include skin flushing ...

Reviewers found evidence for low histamine diets for chronic urticaria and salicylate ... from the diet after excluding other causes and, when symptoms are relieved, challenging with the component ...

and hives. Common symptoms include a red, itchy, and swollen rash and blisters that ooze and crust. Read on to learn about allergy rashes, including what causes them, symptoms, and treatments.