Drug interactions
Metoclopramide + Molindone
Severity: Major
Metoclopramide and Molindone: 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
Both drugs block dopamine D2 receptors, so combined use raises the risk of extrapyramidal symptoms, tardive dyskinesia and neuroleptic malignant syndrome. Metoclopramide labeling advises avoiding concurrent antipsychotics.
What this interaction means in plain words
Metoclopramide and Molindone 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
Additive central dopamine D2 receptor antagonism.
What to do
Avoid concurrent use and choose an antiemetic without dopamine antagonism, such as ondansetron. If unavoidable, monitor for movement disorders, rigidity and fever.
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 Metoclopramide
Frequently asked questions
Can I take Metoclopramide with Molindone?
MediHelp rates the interaction as major. Metoclopramide and Molindone 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. Both drugs block dopamine D2 receptors, so combined use raises the risk of extrapyramidal symptoms, tardive dyskinesia and neuroleptic malignant syndrome. Metoclopramide labeling advises avoiding concurrent antipsychotics.
How serious is the interaction between Metoclopramide and Molindone?
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 concurrent use and choose an antiemetic without dopamine antagonism, such as ondansetron. If unavoidable, monitor for movement disorders, rigidity and fever.
What other medicines interact with Metoclopramide?
MediHelp also lists interactions of Metoclopramide with, for example, Amantadine, Amoxapine, Antipsychotics (e.g., haloperidol). The full list is on the Metoclopramide page.
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