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 ...
Zyrtec can be given to children to treat allergy symptoms, but it may cause mild side effects like drowsiness and dry mouth.