title: Involuntary movement disorders--each has a meaning all its own.
abstract: Degenerative processes in the corpus striatum, neuroleptics drugs, thyroid disease, and Parkinson's disease are all causes of abnormal spontaneous movements in the elderly. Differential diagnosis is essential for selecting the proper therapy, and the patient's history often provides the key.
mesh_terms: D000368:Aged; D000929:Antidepressive Agents, Tricyclic / Q000009:adverse effects; D014150:Antipsychotic Agents / Q000009:adverse effects; D002090:Butyrophenones / Q000009:adverse effects; D002819:Chorea / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008094:Lithium / Q000009:adverse effects; D009069:Movement Disorders / Q000139:chemically induced / Q000175:diagnosis*; D010302:Parkinson Disease, Secondary / Q000139:chemically induced; D010640:Phenothiazines; D013577:Syndrome; D014202:Tremor / Q000175:diagnosis
chemical_list: D000929:Antidepressive Agents, Tricyclic; D014150:Antipsychotic Agents; D002090:Butyrophenones; D010640:Phenothiazines; D008094:Lithium