Get fast acting, 24-hour relief with Zyrtec® Tablets that start working at hour one No locations found within 50 miles of selected location. Please double check your entry and try again. Oklahoma Heart Institute Director of Interventional Laboratories, Dr. Wayne Leimbach, shares insights on allergies, heart disease and high blood pressure on our blog today. Zyrtec Tablets relieve your worst allergy symptoms, indoor and out. With 10 milligrams of cetirizine hydrochloride per tablet, this prescription-strength allergy medicine provides 24 hours of relief from common symptoms of hay fever and other upper respiratory allergies: runny nose, sneezing, itchy, watery eyes, and itching of the nose or throat. Free 2-day shipping on qualified orders over $35. Buy Zyrtec 24 Hour Allergy Relief Tablets with 10 mg Cetirizine HCl, 30 ct at Walmart.com Shop for Zyrtec Tablets in Allergy and Sinus. Buy products such as Zyrtec 24 Hour Allergy Relief Tablets with 10 mg Cetirizine HCl, 70 ct at Walmart and save. Cetirizine, sold under the brand name Zyrtec among others, is a second generation antihistamine used to treat hay fever, dermatitis, and urticaria. It is taken by mouth. Effects generally begin within an hour and last for about a day. The degree of benefit is similar to other antihistamines such as diphenhydramine. When I have an outbreak it'll last for weeks or months and this time it been since Feb (and now we are in May). I've taken Zyrtec for years and it definitely helps with my allergies, but not the hives. choose offers on the things you love. Knock 5-50% off the price of hundreds of items. Print and save, with these printable coupons for your favorite Johnson & Johnson OTC products, including Clean & Clear®, Johnson's® Baby and ZYRTEC®.