Drug interactions
Brexpiprazole + Fluphenazine
Severity: Moderate
Brexpiprazole and Fluphenazine: moderate 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 antipsychotics cause sedation and dopamine receptor blockade. Together they increase the risk of drowsiness, orthostatic hypotension and extrapyramidal symptoms.
What this interaction means in plain words
Brexpiprazole and Fluphenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Brexpiprazole belongs to Central Nervous System; Fluphenazine belongs to Central Nervous System.
Why it happens
Additive CNS depression and dopamine antagonism.
What to do
Avoid unnecessary antipsychotic polypharmacy; monitor sedation, blood pressure and movement symptoms.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicated
- Dofetilide + Fluphenazine Contraindicated
- Fluphenazine + Ibutilide Contraindicated
- Fluphenazine + Pimozide Contraindicated
- Adagrasib + Fluphenazine Major
- Alfentanil + Fluphenazine Major
Other interactions of Brexpiprazole
Frequently asked questions
Can I take Brexpiprazole with Fluphenazine?
MediHelp rates the interaction as moderate. Brexpiprazole and Fluphenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both antipsychotics cause sedation and dopamine receptor blockade. Together they increase the risk of drowsiness, orthostatic hypotension and extrapyramidal symptoms.
How serious is the interaction between Brexpiprazole and Fluphenazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary antipsychotic polypharmacy; monitor sedation, blood pressure and movement symptoms.
What other medicines interact with Fluphenazine?
MediHelp also lists interactions of Fluphenazine with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Fluphenazine page.
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