Drug interactions
Pramipexole + Risperidone
Severity: Major
Pramipexole and Risperidone: major interaction.
Last updated Sources: US FDA label
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Risperidone is a potent D2 antagonist that can counteract pramipexole. This may worsen Parkinson symptoms or restless legs syndrome and increase extrapyramidal effects.
What this interaction means in plain words
Pramipexole and Risperidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Pramipexole belongs to Cardiovascular; Risperidone belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism at dopamine D2-type receptors.
What to do
Avoid the combination; use quetiapine or clozapine if an antipsychotic is needed in Parkinson disease. Monitor motor symptoms if unavoidable.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Other interactions of Pramipexole
- Amisulpride + Pramipexole Contraindicated
- Chlorpromazine + Pramipexole Major
- Droperidol + Pramipexole Major
- Fluphenazine + Pramipexole Major
- Haloperidol + Pramipexole Major
- Iloperidone + Pramipexole Major
Frequently asked questions
Can I take Pramipexole with Risperidone?
MediHelp rates the interaction as major. Pramipexole and Risperidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Risperidone is a potent D2 antagonist that can counteract pramipexole. This may worsen Parkinson symptoms or restless legs syndrome and increase extrapyramidal effects.
How serious is the interaction between Pramipexole and Risperidone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; use quetiapine or clozapine if an antipsychotic is needed in Parkinson disease. Monitor motor symptoms if unavoidable.
What other medicines interact with Risperidone?
MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.
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