What is Spasmodic dysphonia?

Spasmodic dysphonia: A disorder that involves the muscles of the throat that control speech. Spasmodic dysphonia causes strained and difficult speaking or breathy and effortful speech. Also known as spastic dysphonia, laryngeal dystonia, adductor spasmodic dysphonia, and abductor spasmodic dysphonia.

This voice disorder makes speech hoarse or whispery. But if you sing, laugh, or shout, symptoms may disappear.