As a challenger brand, Xyzal was far outspent by entrenched brands like Claritin and Zyrtec. With virtually no awareness as a prescription medicine and a difficult-to-pronounce name, Xyzal needed to ...

Zyrtec should not be used if your child is allergic to cetirizine, Xyzal (levocetirizine), or hydroxyzine. Consult a ...