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Neuropsychiatric symptoms frequently complicate the treatment of Parkinson's disease(PD).Approximately 27%of PD patients are demented,and approximately 19%are cognitively impaired without being demented.These 46% of patients are prone to development of delirium when they take antiparkinsonian drugs.Approximately 40%of PD patients are depressed.The depression may be endogenous or exogenous,apathetic or agitated. Approximately 40%of PD patients are anxious or have panic attacks.The attacks may or may not be associated with depression.This article reviews the diagnosis of these symptoms and discusses their management. |
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