The condition manifests itself as attacks lasting from a few minutes to several hours. Episodes only happen when the individual is awake, and they remain conscious throughout the attack. Symptoms are most severe in youth and lessen with age. Sufferers can have multiple attacks on a daily basis or may have periods of weeks or months between attacks. Symptoms experienced during attacks can vary and include dystonia, chorea, athetosis, ballismus, or a combination.
Paroxysmal nonkinesigenic dyskinesia
Paroxysmal dyskinesia
Paroxysmal kinesigenic choreoathetosis
Pseudoathetosis
Tardive dyskinesia
Choreoathetosis
Paroxysmal exercise-induced dystonia
Dopamine-responsive dystonia