Experience fast, effective allergy relief with Zyrtec's 24-hour dissolving tablets. Each tablet contains 10 mg of cetirizine HCl, a trusted antihistamine that works to reduce sneezing, itching, watery eyes, and runny nose caused by allergies. The convenient dissolving formula requires no water and features a pleasant citrus flavor, making it easy to take on the go. With 24 tablets per box, you'll have a full month of consistent allergy management. Zyrtec provides relief that lasts all day and night, helping you stay comfortable and focused regardless of seasonal or environmental allergens.