aphonia

If aphonia and difficulty of both inspiration and expiration be present at the same time, there is certainly membranous occlusion.

Each time on her disappearance he had an attack of aphonia, inability to utter a sound of any kind.

Slight forms of structural aphonia are of a catarrhal nature, resulting from more or less congestion and tumefaction of the mucous and submucous tissues of the larynx and adjoining parts.

The most prominent symptoms are hoarseness, aphonia, and dyspnœa, which in children may be paroxysmal.

If the recurrent laryngeal nerves are involved, unilateral or bilateral paralysis of the larynx may complicate the symptoms by cough, dyspnea, aphonia, and possibly septic pneumonia.