Drug interactions
Brexpiprazole + Metoclopramide intranasal
Severity: Major
Brexpiprazole and Metoclopramide intranasal: 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
Both drugs affect dopamine D2 receptors, so combined use raises the risk of extrapyramidal symptoms, tardive dyskinesia and neuroleptic malignant syndrome. Metoclopramide may also blunt the antipsychotic's therapeutic effect.
What this interaction means in plain words
Brexpiprazole and Metoclopramide intranasal 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 dopamine D2 receptor antagonism.
What to do
Avoid the combination and use a non-dopamine-blocking antiemetic such as ondansetron, mindful of QT effects; if unavoidable, monitor for movement disorders and rigidity.
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 Brexpiprazole
Frequently asked questions
Can I take Brexpiprazole with Metoclopramide intranasal?
MediHelp rates the interaction as major. Brexpiprazole and Metoclopramide intranasal 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 affect dopamine D2 receptors, so combined use raises the risk of extrapyramidal symptoms, tardive dyskinesia and neuroleptic malignant syndrome. Metoclopramide may also blunt the antipsychotic's therapeutic effect.
How serious is the interaction between Brexpiprazole and Metoclopramide intranasal?
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 and use a non-dopamine-blocking antiemetic such as ondansetron, mindful of QT effects; if unavoidable, monitor for movement disorders and rigidity.
What other medicines interact with Brexpiprazole?
MediHelp also lists interactions of Brexpiprazole with, for example, Alfentanil, Amisulpride, Apalutamide. The full list is on the Brexpiprazole page.
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