Symbiofilm Trial in Allergic Kids (SYMBIOFILM-TAK)

Children will be administered Healsea Children , one puff (1-2 sec) in each nostril twice a day for 10 days on top of conventional therapies, as needed

Children will receive conventional therapies for common cold, nasal irrigation excluded (antipyretics, mucolytics, decongestants, antitussives, systemic and topical corticosteroids, antibiotics)