Tracheal injury, laryngeal airway trauma, Strangulation
Posterior sternoclavicular dislocation
Iatrogenic injury to recurrent laryngeal nerve: vagal nerve stimulator complication, ENT, thyroid, or thoracic surgery
Foreign body aspiration
Caustic ingestion, smoke inhalation injury, blister chemical agents
Angioedema
Hypothyroidism/myxedema of vocal cords
Neck mass, squamous cell carcinoma, mediastinal adenopathy
Aortic dissection, nontraumatic thoracic aortic dissection
Epiglottitis, diphtheria
Ludwig's angina
Leishmaniasis
Botulism
Myasthenia gravis
Acute flaccid myelitis
Scorpion envenomation, Elapidae bites
Stroke (lateral medullary infarction)
Parkinson's disease
Laryngitis
GERD
Post intubation, laryngeal mask airway, or supraglottic airway
Voice overuse/misuse
Vocal cord nodules
Voice may sound abnormal to you, but be totally normal for that patient!
Dysphonia
Tracheal injury, laryngeal airway trauma, Strangulation
Dysarthria
Posterior sternoclavicular dislocation
Dysgeusia
Iatrogenic injury to recurrent laryngeal nerve: vagal nerve stimulator complication, ENT, thyroid, or thoracic surgery
Ergotism
Foreign body aspiration