Key differences between Zyrtec and Zyrtec-D include their active ingredients, the minimum age at which they can be used, purchasing restrictions, and available dosage forms. Moreover, because it ...

oral Cetirizine , , and are used in adults and children at least 6 years of age. oral tabletcapsuleoral ... effects to FDA at 1-800-FDA-1088. Use Zyrtec Liquid Gels (Oral) exactly as directed ...