Laryngitis/ laryngitis

The laryngitis is a respiratory sharp infection that it deals with inflammation of the larynx, with I initiate typically in the night. The larynx is a structure that one finds in the entry of the respiratory device and that allows the step of the air from the pharynx up to the trachea. In her the vocal chords are located.
The laryngitis, except very rare exceptions, is caused by virus. There are in the habit of being annual epidemics between November and of March, nevertheless, it is necessary to consider the hemisphere for the dates of major number of cases, since the climatic conditions are different for both hemispheres in a certain month, as well as also there can be moderately well isolated cases.