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, there ...

Zyrtec is a brand-name over-the-counter (OTC) medication used to treat allergy symptoms. Zyrtec is not known to raise blood pressure, but it may depend on which form of the drug you take. Zyrtec is an ...