Zyrtec 10 mg is an effective antihistamine containing cetirizine hydrochloride, used for the treatment of allergic rhinitis (hay fever), seasonal allergies, and chronic urticaria (hives). It works by blocking histamine, the substance in the body that causes allergic symptoms. Zyrtec helps relieve sneezing, runny nose, watery eyes, and skin rashes without causing significant drowsiness in most people. It is commonly recommended for adults and children over the age of 6. This once-daily tablet offers 24-hour allergy relief with a fast onset of action. . Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.