Abstract
The normal voice depends on the listener according to their cultural, educational, labor and environmental standards, as well as individual perception. Toxic abuse, trauma, professional activities or associated diseases are potential risk factors for causing dysphonia. There are several types of dysphonia: organic, functional and organic-functional; depending on whether anatomical lesions on the vocal cords or a vocal abuse and misuse. The diagnosis of a patient with dysphonia is based on history and clinical and instrumental examination to observe the vocal cords at rest and in motion. It is important to assess the degree of disability and emotional impact than a voice alteration causes in daily and professional life of a person. Dysphonia continuous three-week course is usually the sign warning of a neoplasm. The main therapeutic measures for patients with dysphonia are vocal hygiene, rehabilitation, medical and surgical treatment.
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