Drug interactions
Thioridazine + Topiramate
Severity: Moderate
Thioridazine 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 depress the central nervous system, so combined use can increase drowsiness, dizziness and impaired concentration. This may affect driving and fall risk.
What this interaction means in plain words
Thioridazine 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.
Thioridazine belongs to Central Nervous System; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Use low starting doses with gradual titration and warn patients about sedation. Avoid alcohol and other sedatives.
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 Thioridazine
- Abiraterone + Thioridazine Contraindicated
- Adagrasib + Thioridazine Contraindicated
- Amiodarone + Thioridazine Contraindicated
- Amisulpride + Thioridazine Contraindicated
- Amitriptyline + Thioridazine Contraindicated
- Amoxapine + Thioridazine Contraindicated
Other interactions of Topiramate
Frequently asked questions
Can I take Thioridazine with Topiramate?
MediHelp rates the interaction as moderate. Thioridazine 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 depress the central nervous system, so combined use can increase drowsiness, dizziness and impaired concentration. This may affect driving and fall risk.
How serious is the interaction between Thioridazine 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: Use low starting doses with gradual titration and warn patients about sedation. Avoid alcohol and other sedatives.
What other medicines interact with Thioridazine?
MediHelp also lists interactions of Thioridazine with, for example, Abiraterone, Adagrasib, Amiodarone. The full list is on the Thioridazine page.
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