The non-motor symptoms of PD can be grouped into four domains: autonomic (including gastrointestinal, genitourinary, and cardiovascular symptoms), sleep disorders; neuropsychiatric disorders; and sensory and other symptoms (including pain and fatigue).1-4 Many of these symptoms are treatable, mostly with drug therapy, but sometimes with non-pharmacological approaches.1,2 Routine screening of patients with validated questionnaires may help to identify and treat symptoms effectively, as they arise.56
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