Medically reviewed by Lindsay Cook, PharmD Key Takeaways Xyzal and Zyrtec are antihistamines that relieve allergy symptoms ...
SaveHealth, a prescription savings card website, compares Xyzal vs. Zyrtec. Xyzal (levocetirizine) and Zyrtec (cetirizine) are antihistamines widely used to treat allergy symptoms like sneezing, runny ...