Xyzal (levocetirizine) and Zyrtec (cetirizine) are antihistamines taken to relieve allergy symptoms such as sneezing, runny nose, itchy eyes, and hives. Although Xyzal and Zyrtec work similarly ...

Xyzal faced a formidable challenge. With virtually no awareness as a prescription medicine and a difficult-to-pronounce name, Xyzal needed to breakthrough and disrupt a mature category. Xyzal ...