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Drug interactions

Rufinamide + Ziprasidone

Severity: Minor

Rufinamide and Ziprasidone: minor 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

Rufinamide is a weak CYP3A4 inducer and may slightly reduce ziprasidone levels. The clinical significance is likely small.

What this interaction means in plain words

Rufinamide and Ziprasidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Rufinamide belongs to Central Nervous System; Ziprasidone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Rufinamide weakly induces CYP3A4, increasing the metabolism of ziprasidone.

What to do

Monitor the psychiatric response when rufinamide is started or stopped. Increase ziprasidone only if symptoms emerge.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Rufinamide with Ziprasidone?

MediHelp rates the interaction as minor. Rufinamide and Ziprasidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rufinamide is a weak CYP3A4 inducer and may slightly reduce ziprasidone levels. The clinical significance is likely small.

How serious is the interaction between Rufinamide and Ziprasidone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor the psychiatric response when rufinamide is started or stopped. Increase ziprasidone only if symptoms emerge.

What other medicines interact with Ziprasidone?

MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.

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