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 (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...

Schuval, M.D., the chief of the division of pediatric ... On the other hand, one dose of children's Zyrtec would last 24 hours. This time, social media got it right. Allergists and pediatricians ...