Drug interactions
Metoclopramide intranasal + Pramipexole
Severity: Major
Metoclopramide intranasal and Pramipexole: 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
Metoclopramide blocks dopamine D2 receptors while pramipexole is a dopamine agonist, so each opposes the other. This may worsen parkinsonian symptoms and reduce the effect of both drugs.
What this interaction means in plain words
Metoclopramide intranasal 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 metoclopramide in patients on pramipexole, especially with Parkinson disease; use an antiemetic such as domperidone where available or ondansetron.
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 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 Metoclopramide intranasal with Pramipexole?
MediHelp rates the interaction as major. Metoclopramide intranasal 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. Metoclopramide blocks dopamine D2 receptors while pramipexole is a dopamine agonist, so each opposes the other. This may worsen parkinsonian symptoms and reduce the effect of both drugs.
How serious is the interaction between Metoclopramide intranasal 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 metoclopramide in patients on pramipexole, especially with Parkinson disease; use an antiemetic such as domperidone where available or ondansetron.
What other medicines interact with Pramipexole?
MediHelp also lists interactions of Pramipexole with, for example, Amisulpride, Chlorpromazine, Droperidol. The full list is on the Pramipexole page.
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