Drug interactions
Droperidol + Pramipexole
Severity: Major
Droperidol and Pramipexole: major interaction.
Last updated
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
Droperidol blocks central dopamine D2 receptors, opposing the effect of pramipexole, a dopamine agonist. This can worsen parkinsonian symptoms or reduce control of restless legs syndrome. Droperidol can also cause QT prolongation.
What this interaction means in plain words
Droperidol and Pramipexole 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.
Why it happens
Pharmacodynamic antagonism at dopamine D2 receptors.
What to do
Avoid droperidol in patients taking pramipexole for Parkinson disease and use a non-dopamine-blocking antiemetic such as ondansetron with ECG caution, or domperidone where available.
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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Other interactions of Pramipexole
- Amisulpride + Pramipexole Contraindicated
- Chlorpromazine + Pramipexole Major
- Fluphenazine + Pramipexole Major
- Haloperidol + Pramipexole Major
- Iloperidone + Pramipexole Major
- Loxapine inhaled + Pramipexole Major
Frequently asked questions
Can I take Droperidol with Pramipexole?
MediHelp rates the interaction as major. Droperidol and Pramipexole 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. Droperidol blocks central dopamine D2 receptors, opposing the effect of pramipexole, a dopamine agonist. This can worsen parkinsonian symptoms or reduce control of restless legs syndrome. Droperidol can also cause QT prolongation.
How serious is the interaction between Droperidol and Pramipexole?
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 droperidol in patients taking pramipexole for Parkinson disease and use a non-dopamine-blocking antiemetic such as ondansetron with ECG caution, or domperidone where available.
What other medicines interact with Pramipexole?
MediHelp also lists interactions of Pramipexole with, for example, Amisulpride, Chlorpromazine, Fluphenazine. The full list is on the Pramipexole page.
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