A Study of Luffa Operculate Nasal Solution 5mg/mL Compared With Saline (NaCl 09%) for the Relief of Nasal Obstruction

Inclusion Criteria: * Subjects of both sexes aged over 18 years. * Presence of nasal congestion due to colds, rhinitis, influenza, sinusitis and acute or chronic sinusitis * Sign the Informed Consent Form * Comply the study requirements and attend to study visits * Female subjects must have a NEGATIVE urine pregnancy test during the screening. Exclusion Criteria: * Known allergy to any study product component * Subject pregnant, lactating or of childbearing potential and not using adequate and effective contraceptive * Vasoconstrictor nasal topic or oral * Use of a decongestant nasal whatever the route of administration * Use of intranasal corticosteroids * Use of antiallergic * Use of medication containing atropine * Subjects that are participating in another study or who participated in another study, less than 12 months * Any subjects deemed unsuitable for study by the Principal Investigator * Abuse of alcohol or illicit drugs