Zyrtec 24 Hour Allergy Relief Dissolving Tablets with 10 mg Cetirizine HCl Antihistamine. Allergy Medicine for Relief from Allergies Caused by Ragweed & Tree Pollen, Citrus Flavor. 24 hour Zyrtec Allergy Relief Dissolve Tablets for all-day relief of your allergy symptoms10 mg cetirizine HCl tablets fights allergy symptoms caused by ragweed, tree pollen & pet danderTablets help treat symptoms such as runny nose, sneezing, itchy, watery eyes, & itchy nose & throatZyrtec provides fast* relief at hour one of symptoms that can be triggered by over 200 allergensEach allergy dissolving tablet contains 10 mg of powerful cetirizine hydrochloride antihistamineThe prescription-strength allergy relief tablets melt in your mouth with a tangy citrus flavorGet effective symptom relief from the #1 allergist-recommended brand among OTC oral antihistaminesSuitable those 6 years of age & older, this allergy medicine provides relief for a full 24 hours