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Dopamine agonist withdrawal syndrome (DAWS): perils of flicking the dopamine ‘switch’
  1. Mark J Edwards
  1. Correspondence to Dr Mark J Edwards, Sobell Department, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UK; m.j.edwards{at}ucl.ac.uk

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Dopamine is a neurotransmitter of such pervasive importance in the central nervous system that it is perhaps not surprising that the effects of its alteration by drugs, disease or both are wide. Parkinson's disease (PD), as James Parkinson himself appreciated,1 is much more than ‘just’ a motor disorder. Likewise, the (side) effects of treatment with dopaminergic drugs are more widespread than their effects on motor function.

For some years now, a range of addictive and impulsive behaviours have been associated with the use of dopaminergic drugs in the treatment of PD. It is now mandatory for clinicians and specialist nurses caring for patients with PD to counsel patients about these potential side effects prior to prescription of dopaminergic medications, and to regularly enquire about their presence in patients on treatment. Typically, dose …

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