Xyzal and Zyrtec inside a pharmacy shelf with other allergy and sinus products. SaveHealth, a prescription savings card website, compares Xyzal vs. Zyrtec. Xyzal (levocetirizine) and Zyrtec ...
Xyzal and Zyrtec are antihistamines that relieve allergy symptoms like sneezing and itchy eyes. Xyzal is less likely to cause drowsiness compared to Zyrtec, making it a better choice for some people.