Zyrtec-D contains an additional ingredient, pseudoephedrine, a nasal decongestant. Cetirizine is an over-the-counter (OTC) antihistamine. Pseudoephedrine is a decongestant. Zyrtec-D is an OTC ...
Cetirizine HCl 1mg/mL; grape flavor, and bubble gum (sugar- and dye-free) flavor. Dissolve tabs: may take with or without water. For doses <5mg: use syrup. <2yrs: not recommended. 2–6yrs ...