Children The use of the CETZINE film-coated tablet formulation is not recommended in children aged less than 6 years since this formulation does not allow for appropriate dose adaptation. It is recommended to use a paediatric formulation of cetirizine ( CETZINE Syrup ). Cetzine Syrup is given to children to treat various symptoms such as watery eyes, runny nose, sneezing, and itching associated with allergic conditions like hay fever, urticaria (hives), conjunctivitis (red, itchy eye), and common cold. Cetzine Syrup is an antihistamine medicine used to treat allergies. It contains cetirizine, which works by blocking the effects of a chemical messenger called histamine. It may cause side effects like abdominal pain, headache, or diarrhoea. Before starting this medicine, inform your doctor if your child is taking any other medicines or has pre-existing medical conditions. View Uses, Benefits, and Price of Cetzine Syrup at Apollo Pharmacy . Cetzine Syrup is an antihistamine medicine used in the treatment of allergies. It helps provide relief from various allergic reactions in children. An allergic reaction is a response that occurs when the foreign particles enter the body. This allergic reaction may vary from person to person.