What is a voice disorder?A voice disorder may be characterized by an abnormality in an individual's vocal quality (their voice sounds rough, harsh, or breathy), pitch, loudness, resonance (nasal sounding), or duration. A person's voice may not sound "right". This may be because vocal nodules or polyps are present. Nodules or polyps occur because of vocal abuse. Some forms of vocal abuse are excessive coughing or clearing of the throat, whispering, yelling, screaming, poor hydration, etc.This website provides more information about voice disorders.