Urticaria, or hives, causes itchy, raised welts on the skin. Learn how antihistamines work, what triggers outbreaks, and what to do when OTC meds fail - including new treatments approved in 2023-2024.
Urticaria, or hives, causes itchy, raised welts on the skin. Learn how antihistamines work, what triggers outbreaks, and what to do when OTC meds fail - including new treatments approved in 2023-2024.