The key difference between Zyrtec and Zyrtec-D is the additional ... products do not require a prescription, the U.S. Food and Drug Administration (FDA) has restricted the amount of these products ...

That said, they do have some very slight differences - which probably ... Don't hesitate to use generic brands. The same anti-histamine in Zyrtec, for example, is available as Aller-Tec at Costco ...

Zyrtec is a brand name for the drug cetirizine ... But there are some differences between Claritin and Zyrtec: Claritin doesn ...