The dysphonia is a disorder characterized by an alteration of the timbre of the voice, which can be due to various organic or functional causes of the larynx and vocal cords. When it occurs in children, can come from neurological disorders, malformations of the larynx, laryngeal papillomas caused by viral infections, or overly strain your voice. The latter is the most common cause that causes dysphonia in adults, and that untreated hyperfunction voice can produce other pathologies such as nodules or polyps on the vocal cords. In addition, other factors that can trigger dysphonia:grastroesofagico reflux, smoking, infections such as laryngitis or tuberculosis, neurological disorders or tumors of the larynx. Both children and adults, chronic afonia requires a medical exam to diagnose any disorder that lengthen more than two weeks, both to rule out any serious injury to prevent dysphonia become a chronic afonia and resulting in a total loss of voice. In dysphonia force generated by voice or by infections and viruses, rest and anti-inflammatory will be required, depending on the case, therapy with a speech therapist to teach the patient to use the voice well and rehabilitate.

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