Abstract
Impulse control disorders (ICD)1 and the dopamine dysregulation syndrome (DDS)2 are dopaminergic complications of Parkinson disease (PD) treatment. A large number of ICDs have been associated with dopamine agonists (DAA), such as gambling, hypersexuality, and consumerism, but none, to our knowledge, involved drugs of abuse.1 DDS is a condition in which patients with PD abuse l-dopa, taking it excessively despite the dyskinesias or psychotic symptoms that result.2 DDS produces l-dopa craving, whereas ICDs produce compulsions, and the 2 may coexist.2 DDS has rarely been associated with dopamine agonists other than apomorphine.
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