Sonu Nasal Congestion Relief Study in Patients Suffering From Moderate to Severe Nasal Congestion

Inclusion Criteria: * 18 years of age and older * Present with symptoms of nasal congestion for 1 month or more prior to treatment * Have a 24 hour reflective nasal congestion subscore of the TNSS of 2 or more on a 0 to 3 scale at the time of screening Exclusion Criteria: * Head, nasal or sinus surgery within 3 months * Sinus infection diagnosed within the last month, or rhinitis medicamentosa * Documented history of nasal polyposis or mass