He had a hepatitis vaccine and it damaged his vocal cords, resulting in spasmodic dysphonia. Stress, weather, illness can make the staring of the vocal cords worse. Some days are worse than others, the voice waxes and wanes. Botulism toxin injections into the vocal cords is sometimes effective as a temporary measure for relief. Acupuncture into the vocal cord area with electrical stimulation may be helpful too.

He had a hepatitis vaccine and it damaged his vocal cords, resulting in spasmodic dysphonia.