Drug interactions
Brexpiprazole + Tiagabine
Severity: Moderate
Brexpiprazole and Tiagabine: 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 agents can cause drowsiness and dizziness, and using them together may intensify sedation and impair concentration. Antipsychotics may also lower seizure threshold, which can oppose the anticonvulsant effect of tiagabine.
What this interaction means in plain words
Brexpiprazole and Tiagabine 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 CNS depression; antipsychotic-related lowering of seizure threshold opposes GABA reuptake inhibition.
What to do
Monitor for sedation and for changes in seizure frequency when starting or adjusting either drug. Counsel patients on driving and operating machinery.
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 Tiagabine?
MediHelp rates the interaction as moderate. Brexpiprazole and Tiagabine 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 agents can cause drowsiness and dizziness, and using them together may intensify sedation and impair concentration. Antipsychotics may also lower seizure threshold, which can oppose the anticonvulsant effect of tiagabine.
How serious is the interaction between Brexpiprazole and Tiagabine?
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 for sedation and for changes in seizure frequency when starting or adjusting either drug. Counsel patients on driving and operating machinery.
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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