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 ...

Xyzal looked to make a meaningful quality-of-life difference for sufferers ... As a challenger brand, Xyzal was far outspent by entrenched brands like Claritin and Zyrtec. With virtually no awareness ...