Dosage guidance for Children's Zyrtec 10 mg chewables for ages 6 and older is to chew and swallow one tablet once a day.

Cetirizine HCl 10mg; citrus flavor. Dissolve tabs: may take with or without water. For doses <5mg: use syrup. <2yrs: not recommended. 2–6yrs: initially 2.5mg once daily; max 5mg once daily or 2 ...