Drug interactions
Aripiprazole + Topiramate
Severity: Moderate
Aripiprazole and Topiramate: 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 drugs can cause sedation and cognitive slowing, and together the effect may be additive. Topiramate has little effect on aripiprazole levels at usual doses, so the main concern is pharmacodynamic.
What this interaction means in plain words
Aripiprazole and Topiramate 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; Topiramate belongs to Central Nervous System.
Why it happens
Additive central nervous system depressant effects; any CYP3A4 induction by topiramate is weak and dose-dependent.
What to do
Monitor for sedation, cognitive effects, and loss of psychiatric control, and titrate both drugs slowly. Counsel the patient about driving and 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 Aripiprazole
- Aripiprazole + Pimozide Contraindicated
- Aripiprazole + Thioridazine Contraindicated
- Amisulpride + Aripiprazole Major
- Aripiprazole + Arsenic trioxide Major
- Aripiprazole + Calcium / magnesium / potassium / sodium oxybates Major
- Aripiprazole + Carbamazepine Major
Other interactions of Topiramate
Frequently asked questions
Can I take Aripiprazole with Topiramate?
MediHelp rates the interaction as moderate. Aripiprazole and Topiramate 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 drugs can cause sedation and cognitive slowing, and together the effect may be additive. Topiramate has little effect on aripiprazole levels at usual doses, so the main concern is pharmacodynamic.
How serious is the interaction between Aripiprazole and Topiramate?
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, cognitive effects, and loss of psychiatric control, and titrate both drugs slowly. Counsel the patient about driving and machinery.
What other medicines interact with Aripiprazole?
MediHelp also lists interactions of Aripiprazole with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Aripiprazole page.
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