What is the max dosage of Zyrtec?

The maximum recommended dosage of Zyrtec (cetirizine) for adults and children aged 6 years and older is 10 mg once daily. For children aged 2 to 5 years, the maximum dosage is 5 mg once daily. It’s important to follow the dosing instructions provided by a healthcare professional or the product label. Always consult a doctor if you have questions about the appropriate dosage for your specific situation.