Zyrtec 24 Hour Allergy Relief Medicine Tablets for relief of your worst allergy symptoms Cetirizine tablets help treat allergies caused by dust, mold, pet dander, ragweed, & tree pollen Prescription-strength allergy medicine treats runny nose, sneezing, & itchy eyes, nose & throat This powerful antihistamine tablet contains 10 mg of cetirizine hydrochloride for allergy relief This allergy medication provides powerful relief to help treat both indoor & outdoor allergies Zyrtec provides fast* relief at hour one of symptoms that can be triggered by over 200 allergens Get effective allergy relief from the #1 allergist-recommended brand among OTC oral antihistamines Suitable for those 6 years & older, this allergy medicine provides 24 hours of allergy relief