Cetiriz Syrup 60 ml is a member of the anti-histamine or anti-allergic drug subclass. Cetirizine, which is generally used to treat different allergies, is present. An allergic reaction is an immune system reaction to outside substances that are usually not detrimental to your body. These alien substances are referred to as "allergens." The severity of allergies varies from person to person. Some people may have dietary allergies as well as seasonal allergies like hay fever. Others might, however, have allergies to pet dander or pollen.Disclaimer:For more information contact your physician.