Drug interactions
Brexpiprazole + Trifluoperazine
Severity: Moderate
Brexpiprazole and Trifluoperazine: 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
Using two antipsychotics together increases the risk of sedation, orthostatic hypotension, extrapyramidal symptoms, QT effects and neuroleptic malignant syndrome. The combination rarely adds clear benefit.
What this interaction means in plain words
Brexpiprazole and Trifluoperazine 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.
Why it happens
Additive dopamine D2 and alpha-1 adrenergic antagonism and other receptor-mediated sedative effects.
What to do
Avoid concurrent use where possible, such as during cross-titration only; otherwise use minimal doses and monitor blood pressure, movement symptoms and sedation.
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 Brexpiprazole
Frequently asked questions
Can I take Brexpiprazole with Trifluoperazine?
MediHelp rates the interaction as moderate. Brexpiprazole and Trifluoperazine 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. Using two antipsychotics together increases the risk of sedation, orthostatic hypotension, extrapyramidal symptoms, QT effects and neuroleptic malignant syndrome. The combination rarely adds clear benefit.
How serious is the interaction between Brexpiprazole and Trifluoperazine?
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 concurrent use where possible, such as during cross-titration only; otherwise use minimal doses and monitor blood pressure, movement symptoms and sedation.
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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