Hyperkinesis

An increase in muscular activity resulting in excessive, purposeless, or involuntary movements or restlessness. Possible causes are Huntington's Disease, Wilson's disease, ADHD, medications (antipsychotics, dopamine agonists, or anti-nausea can trigger tardive dyskinesia), brain injury (trauma, stroke, tumor), hyperthyroidism, liver disease, severe electrolyte imbalance, Tourette's, and restless leg syndrome.