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 ...
Medically reviewed by Mary Choy, PharmDMedically reviewed by Mary Choy, PharmD Zyrtec (cetirizine) is an over-the-counter ...