Detailed Cetirizine dosage information for adults, the elderly and children. Includes dosages for Allergic Rhinitis and Urticaria; plus renal, liver and dialysis adjustments.

Cetirizine treats cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose. Includes cetirizine side effects, interactions and indications.

How much and how often can you take ZYRTEC ®? If you are using ZYRTEC-D ® Allergy Relief Tablets with Decongestant and Cetirizine HCl, take 1 tablet every 12 hours. Do not take more than 2 tablets in 24 hours.

The recommended dose of cetirizine hydrochloride oral solution in children 6 months to 23 months of age is 2.5 mg (½ teaspoonful) once daily. The dose in children 12 to 23 months of age can be increased to a maximum dose of 5 mg per day, given as ½ teaspoonful (2.5 mg) every 12 hours.

Cetirizine Hydrochloride Oral Solution, USP 1 mg/mL can be taken without regard to food consumption. Children 2 to 5 Years for Chronic Urticaria: The recommended initial dose of Cetirizine Hydrochloride Oral Solution, USP 1 mg/mL in children aged 2 to 5 years is 2.5 mg (2.5 mL) once daily. The dosage in this age group can be increased to a ...