Today is Urticaria Day (UDAY) 2025 – a global moment dedicated to raising awareness of all types of urticaria, including chronic spontaneous urticaria (CSU), an unpredictable and debilitating skin condition that causes burning itch and hives, severely impacting quality of life. To mark this year’s UDAY, we spoke to people living with CSU around the world to answer the web’s most asked questions and share what life with CSU is really like. Watch the video to hear their stories and understand the