Clinical Research Directory

Inclusion Criteria: * 1\. Patient ≥ 12 years. * 2\. Patient with acute rhinitis associated with nasal obstruction during infectious episodes such as rhinopharyngitis (cold), rhinosinusitis, or during non-infectious episodes such as allergic rhinitis. * 3\. a. Informed adult patient who has given written consent prior to any study specific procedure. b. Informed minor patient who has given assent and whose legal guardians have given written consent prior to any study-specific procedure. * 4\. Patient able to meet the study requirements for monitoring, spray use, and questionnaire completion. * 5\. Patient affiliated to a social security scheme. Exclusion Criteria: * 1\. Pregnant and/or breastfeeding woman * 2\. Hypersensitivity to seawater and/or known allergies to any of the ingredients of the spray. * 3\. Diseases causing narrowing of the airways (e.g. asthma, chronic obstructive pulmonary disease (COPD)) and/or respiratory insufficiency. * 4\. Patients with uncontrolled asthma (GINA score greater than or equal to 4) * 5\. Patients undergoing allergy desensitization * 6\. Patients suffering from chronic nasal obstruction due to a deformation of the nasal wall or nasal polyps. creams or gels. * 7\. Patients taking local and systemic vasoconstrictors, corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs), antibiotics, and local antiseptics. * 8\. Concomitant use of other nasal sprays, essential oils for local nasal use, creams, or gels for the nose. * 9\. Patients under guardianship, conservatorship, or legal protection.