| Congenital | | Subglottic stenosis* | | Laryngotracheal cleft | | Laryngeal web | | Laryngeal cysts | | Neonatal myasthenia gravis | | Neurologic | | Vocal fold paralysis* | | Arnold-Chiari malformation | | Hydrocephalus | | Meningomyelocele | | Wilson disease | | Neuritis | | Myasthenia gravis | | Muscular dystrophy | | Tumors | | Respiratory papillomatosis* (laryngeal papillomatosis) | | Hemangiomas* | | Laryngeal carcinoma | | Rhabdomyosarcoma | | Lymphangioma | | Allergy | | Allergic rhinitis* | | Angioedema | | Anaphylaxis | | | Infection | | Laryngitis* | | Laryngotracheitis (croup)* | | Epiglottitis | | Syphilis | | Meningitis | | Iatrogenic | | Cardiac surgery | | Birth trauma | | Intubation trauma* | | Psychogenic | | Puberphonia* | | Psychogenic stridor* | | Trauma/irritation | | Vocal fold nodules* | | Vocal fold polyps | | Vocal fold hemorrhage | | Laryngopharyngeal reflux (extraesophageal gastroesophageal reflux disease)* | | Postintubation* | | Foreign body aspiration | | Blunt neck trauma | | Penetrating neck trauma | | | Endocrine/metabolic | | Hypothyroidism | | Hypocalcemia | | Pregnancy | | Storage disorders | | Gaucher disease | | Farber disease | | Lipoid proteinosis | | Mucolipidosis II | | Genetic | | Cri-du-chat | | Familial dysautonomia | | Down syndrome | | Structural/mechanical | | Laryngomalacia* | | Tracheomalacia | | Subglottic stenosis* | | Miscellaneous causes | | Toxic ingestions | | Chemotherapy | | Granulomatosis with polyangiitis | | Sarcoidosis | | Amyloidosis | | Epidermolysis bullosa | |
