Zyrtec might cause drowsiness for some people, Dr. Younus says. Claritin is non-drowsy, but he says some people don’t think it’s as effective as Zyrtec. Allegra is also non-drowsy, but some ...

Zyrtec (cetirizine) and Zyrtec-D (cetirizine and pseudoephedrine) have similar names and uses. However, the key difference between the medications is that, in addition to cetirizine, Zyrtec-D ...

When treating mild allergic reactions, allergists and pediatricians prefer children’s Zyrtec over children ... and make them hyperactive instead of drowsy. And you may have heard that Benadryl ...