
AAFA joins We CU, and The Mast Cell Disease Society (TMS) in recognizing Urticaria Day (UDAY) on October 1, 2025. What is urticaria (hives)? Hives (urticaria) are a type of swelling of the skin and are a common symptom of allergic reactions. Hives are itchy, raised bumps, called welts or wheals, on the skin. They […]








