Medically reviewed by Daniel More, MD Common side effects of Zyrtec (cetirizine) can include drowsiness, fatigue, dry mouth, ...

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 ...

or four tablets (10 mg) once a day, depending on symptom severity. Dosage guidance for Children's Zyrtec Allergy Relief syrup ...

Cetirizine HCl 10mg; contains gelatin. 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 ...

OTC cetirizine oral tablets can be used to treat allergies in children ages 6 years and older. OTC cetirizine oral solution can be used to treat allergies in children ages 2 years and older.