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Published on: October 14, 2021
Antiparkinsonian medication and pathological gambling
1Institute of Psychiatry, King's College, London, England. m.lader@iop.kcl.ac.uk
Dopamine-based Parkinson's disease medications can cause impulse control disorders like pathological gambling in up to 7% of users. Treatment involves dose reduction or switching medications, though Parkinson's symptoms may worsen.
Area of Science:
- Neurology
- Pharmacology
- Behavioral Science
Background:
- Parkinson's disease is commonly treated with dopaminergic agents.
- These medications can lead to behavioral abnormalities, including impulse control disorders (ICDs).
- Pathological gambling is a significant ICD, disrupting personal and occupational life.
Purpose of the Study:
- To review the association between dopaminergic agents and pathological gambling in Parkinson's disease patients.
- To discuss the incidence, potential contributing factors, and management strategies for this adverse effect.
Main Methods:
- Literature review of studies on dopaminergic agents and behavioral abnormalities.
- Analysis of reported cases and regulatory warnings regarding pathological gambling.
- Discussion of proposed mechanisms and treatment approaches.
Main Results:
- Up to 7% of dopaminergic agent users may develop pathological gambling.
- Pramipexole and possibly ropinirole are frequently implicated.
- Treatment involves medication adjustment, potentially worsening Parkinson's symptoms.
Conclusions:
- Pathological gambling is a recognized risk associated with dopaminergic therapy for Parkinson's disease.
- Excessive dopaminergic stimulation is the suspected mechanism.
- Careful patient monitoring and management are essential.
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