<unk>  <unk>  was originally coined in 1983 by Morrison and describes a dysphonia caused by increased<unk><unk>  of the<unk> s surrounding the voice box: the laryngeal and paralaryngeal<unk> s.<unk>  is a unifying diagnosis for a previously poorly categorized disease process. It allows for the diagnosis of dysphonia caused by many different etiologies and can be confirmed by history, physical exam, laryngoscopy and videostroboscopy, a technique that allows for the direct visualization of the larynx, vocal cords, and vocal cord motion.<unk>  has been known by other names including<unk>  misuse dysphonia, hyperfunctional dysphonia, and hyperkinetic dysphonia among others.<unk>  can be broken in two groups: primary and secondary. Primary<unk>  occurs without an underlying organic cause while secondary<unk>  occur due to an underlying organic source.<unk>  is more commonly diagnosed in women, the middle aged, and individuals who have high levels of stress. It also more often seen in those who use their voice often such as singers and teachers.
Muscle tension dysphonia
Spasmodic dysphonia
Cricopharyngeal spasm
Odynophagia
Dysphagia lusoria
Nasal voice
Pseudodysphagia
Oropharyngeal dysphagia