Pathological gambling (PG) is defined by failure to resist the urge to gamble, with persistent and recurrent maladaptive gambling behavior despite disruptive consequences on familial, occupational, and social functions. It is classified as an impulse control disorder (ICD) in the
Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition, Text Revision)
1 and is reported in patients with Parkinson disease (PD) in association with dopamine replacement therapy (DRT).
2,3