Zyrtec (cetirizine) is used to treat allergy symptoms such as sneezing, itching, watery eyes, or runny nose. Includes Zyrtec side effects, interactions and indications.

ZYRTEC allergy medication, now available in prescription strength, but as over the counter provides relief from indoor and outdoor upper respiratory allergies for adults and ...

Use the Allergy FAQ section to find answers to frequently asked questions about allergies and ZYRTEC.

ZYRTEC (cetirizine HCl) is a prescription medicine that treats both indoor and outdoor allergy symptoms.

Learn about the prescription medication Zyrtec (Cetirizine), drug uses, dosage, side effects, drug interactions, warnings, and patient labeling.