Voice disorders are medical conditions involving abnormal pitch, loudness or quality of the sound produced by the larynx and thereby affecting speech production. These include:
• Puberphonia
• Chorditis
• Vocal fold nodules
• Vocal fold cysts
• Vocal cord paresis
• Reinke's edema
• Spasmodic dysphoni
• Foreign accent syndrome
• Bogart–Bacall syndrome
• Laryngeal papillomatosis
• Laryngitis