A member asked:

What is the cause of spasmodic dysphonia?

A doctor has provided 1 answer
Dr. Joshua Gottschall answered

Specializes in ENT and Head and Neck Surgery

Spasmodic dysphonia: Spasmodic dysphonia is a voice disorder characterized by abnormal "spasms" of the vocal cords resulting and interruptions of speech and affecting voice. Causes of SD can arise from vocal muscle, neuromuscular junction, and inflamed laryngeal nerves. Treatment would include speech therapy to reduce muscle tension, Botox injection into affected muscles and rarely surgery.

Answered 11/27/2017

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