Dysphonia is the medical term for disorders of the voice: an impairment in the ability to produce voice sounds using the vocal organs (it is distinct from dysarthria which means disorders of speech, that is, an impairment in the ability to produce spoken words). Thus, dysphonia is a phonation disorder. The dysphonic voice can be hoarse or weak, or excessively breathy, harsh, or rough, but some kind of phonation is still possible (contrasted with the more severe aphonia where phonation is impossible). Dysphonia has either organic or functional causes due to impairment of any one of the vocal organs...