Movement - Unpredictable or Jerky
Alternate Names : Chorea, Jerky Body Movements, Muscle - Jerky Movements (Uncontrolled)
Common Causes
There are many possible causes of unpredictable, jerky movements which include Sydenham's chorea, Huntington disease and other rare disorders. Some medical illnesses that can cause chorea include anti-cardiolipin antibody syndrome, systemic lupus erythematosis, polycythemia rubra vera, stroke, thyroid disease, and disorders of calcium, glucose or sodium metabolism.
Some medications such as anti-psychotic drugs, may cause tardive dyskinesia, a movement disorder which may include choreic movements. Rarely, it is inherited in the syndrome called benign hereditary chorea. Some women may develop chorea when pregnant. This is called chorea gravidarum.
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