Montelukast-levocetirizine syrup is a prescription medication used in children to treat and manage various allergic conditions. The combination of these two medicines helps relieve symptoms by blocking the chemical messengers responsible for allergic reactions. Primary uses for children Seasonal and perennial allergies: This medication provides relief from common hay fever symptoms caused by allergens like pollen, dust, and pet dander. These symptoms include: Sneezing Runny and stuffy nose Itchy and watery eyes Nasal congestion Allergic skin conditions: It is effective in treating itchy skin rashes and hives (urticaria) by reducing inflammation caused by allergic reactions. Allergic asthma: In children with both asthma and allergic rhinitis, this syrup can help manage asthma symptoms by reducing inflammation and swelling in the airways. It is used as a preventive measure and is not meant to stop an ongoing asthma attack. Allergic cough: The medication can help relieve coughing caused by allergies by reducing airway inflammation.