Levocetirizine, widely marketed under the brand name Xyzal, is a popular antihistamine used to relieve allergy symptoms such as sneezing, runny nose, and itchy eyes. It is also effective in managing chronic urticaria, commonly known as hives. As an advanced form of cetirizine, levocetirizine is known for its higher efficacy and reduced sedative effects, making it a preferred choice among...