Otrivine natural with eucalyptus is natural hypertonic sea water with eucalyptus essential oil and extract of wild mint it quickly provides natural relief from nasal congestion due to colds and rhinosinusitis it also has a purifying action to clear the nasal passages and it helps to remove bacteria and viruses relieves nasal congestion in less than 3 minutes contains sea water and preservative freeas an alternative doctors can also prescribe medication that can assist with flu please