Medically reviewed by Lindsay Cook, PharmD Xyzal (levocetirizine) and Zyrtec (cetirizine) are antihistamines taken to relieve allergy symptoms such as sneezing, runny nose, itchy eyes, and hives.

Second and third generation antihistamines available over the counter include: cetirizine (Zyrtec) fexofenadine (Allegra) loratadine (Claritin) These newer antihistamines are less likely to cause ...

As a first-line treatment for allergy symptoms, News 9's Dr. Lacy Anderson recommends daily non-drowsy antihistamines like Claritin, Allegra, or Zyrtec. For itchy eyes it is recommended to use ...