Therapeutic use of 5ht3 serotoninergic receptor antagonists

The object of the invention is the therapeutic use of 5HT SEROTONINERGIC RECEPTOR ANTAGONISTS FOR THE TREATMENT OF PSYCHIC DISORDERS CAUSED BY STRESS, RHINITIS, SEROTONIN-RELATED DISORDERS ON NASAL FUNCTION, PULMONARY EMBOLISM OR TO INCREASE VIGILANCE, OR FOR CO-ADMINISTRATION WITH ANOTHER ACTIVE PRINCIPLE TO INCREASE BIOAVAILABILITY, OR FOR NASAL ADMINISTRATION.