Persistent Movement disorders are caused by many drugs. They are irrreversable. Drugs in the family of piperazine, piperadine , and aliphatic phenothiazines over long periods of time, (decades) Tardive Dyskinesia may occur after even short periods. There is no Tx .It is a dopaminergic deficient malady. Others cause it as well. Reglan is another. Parkinson like tremors and shuffling gait are frequent. Olanzapine, resperidol is another.  All anti psychotic drugs have some propensity to result in TD. AVOID HALDOL