Drug interactions
Asenapine transdermal + Brexpiprazole
Severity: Moderate
Asenapine transdermal and Brexpiprazole: 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
Two antipsychotics given together increase sedation, orthostatic hypotension, metabolic effects and extrapyramidal symptoms without clear proven added benefit. QT effects and falls risk may also be increased.
What this interaction means in plain words
Asenapine transdermal and Brexpiprazole 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, histamine and alpha-adrenergic receptor blockade with overlapping serotonin receptor effects.
What to do
Avoid antipsychotic polypharmacy where possible and use the lowest effective doses when both are required. Monitor sedation, blood pressure, movement disorders and metabolic parameters.
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 Asenapine transdermal with Brexpiprazole?
MediHelp rates the interaction as moderate. Asenapine transdermal and Brexpiprazole 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. Two antipsychotics given together increase sedation, orthostatic hypotension, metabolic effects and extrapyramidal symptoms without clear proven added benefit. QT effects and falls risk may also be increased.
How serious is the interaction between Asenapine transdermal and Brexpiprazole?
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 antipsychotic polypharmacy where possible and use the lowest effective doses when both are required. Monitor sedation, blood pressure, movement disorders and metabolic parameters.
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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