title: Nasal obstruction.
mesh_terms: D000234:Adenoids; D000402:Airway Obstruction / Q000175:diagnosis / Q000209:etiology; D004809:Ephedrine / Q000627:therapeutic use; D005547:Foreign Bodies / Q000175:diagnosis; D006406:Hematoma / Q000628:therapy; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D006801:Humans; D006967:Hypersensitivity / Q000150:complications / Q000175:diagnosis; D006984:Hypertrophy / Q000150:complications; D009093:Mucus / Q000187:drug effects; D009298:Nasal Polyps / Q000628:therapy; D009300:Nasal Septum / Q000002:abnormalities; D009666:Nose / Q000293:injuries; D009668:Nose Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology / Q000601:surgery; D009669:Nose Neoplasms / Q000175:diagnosis; D012220:Rhinitis / Q000150:complications
chemical_list: D006634:Histamine H1 Antagonists; D004809:Ephedrine