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Drug interactions

Modafinil + Ziconotide

Severity: Moderate

Modafinil and Ziconotide: 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

Ziconotide is an intrathecal analgesic with significant neuropsychiatric effects including sedation, confusion, dizziness and mood change. Modafinil may reduce sedation but could mask early signs of ziconotide neurotoxicity or add to psychiatric effects. The interaction is not well characterised.

What this interaction means in plain words

Modafinil and Ziconotide 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.

Modafinil belongs to Central Nervous System; Ziconotide belongs to Central Nervous System.

Evidence level: Low

Why it happens

Opposing and potentially additive pharmacodynamic CNS effects; no established pharmacokinetic mechanism.

What to do

Monitor cognition, mood and level of consciousness regularly. Stop or reduce ziconotide promptly if psychiatric or cognitive symptoms appear.

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?

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 Modafinil with Ziconotide?

MediHelp rates the interaction as moderate. Modafinil and Ziconotide 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. Ziconotide is an intrathecal analgesic with significant neuropsychiatric effects including sedation, confusion, dizziness and mood change. Modafinil may reduce sedation but could mask early signs of ziconotide neurotoxicity or add to psychiatric effects. The interaction is not well characterised.

How serious is the interaction between Modafinil and Ziconotide?

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 cognition, mood and level of consciousness regularly. Stop or reduce ziconotide promptly if psychiatric or cognitive symptoms appear.

What other medicines interact with Modafinil?

MediHelp also lists interactions of Modafinil with, for example, Lenacapavir, Leniolisib, Lorlatinib. The full list is on the Modafinil page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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