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Drug interactions

Aripiprazole + Fluphenazine

Severity: Moderate

Aripiprazole 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 can affect cardiac repolarization, though aripiprazole has a low QT liability. Combined use is mainly additive for extrapyramidal, sedative and metabolic effects, with a modest added QT concern.

What this interaction means in plain words

Aripiprazole 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.

Aripiprazole belongs to Central Nervous System; Fluphenazine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive dopamine antagonism and a small additive QT effect.

What to do

Monitor ECG if there are other QT risk factors, and review the need for two antipsychotics. Monitor for extrapyramidal 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Aripiprazole with Fluphenazine?

MediHelp rates the interaction as moderate. Aripiprazole 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 can affect cardiac repolarization, though aripiprazole has a low QT liability. Combined use is mainly additive for extrapyramidal, sedative and metabolic effects, with a modest added QT concern.

How serious is the interaction between Aripiprazole 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: Monitor ECG if there are other QT risk factors, and review the need for two antipsychotics. Monitor for extrapyramidal 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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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