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Drug interactions

Amifampridine + Haloperidol

Severity: Moderate

Amifampridine and Haloperidol: 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

Amifampridine causes dose-related seizures, and haloperidol can lower the seizure threshold. Combined use may increase seizure risk.

What this interaction means in plain words

Amifampridine and Haloperidol 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.

Amifampridine belongs to Central Nervous System; Haloperidol belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive pharmacodynamic lowering of seizure threshold.

What to do

Use the lowest effective amifampridine dose and monitor for seizure activity; consider alternatives to haloperidol in patients with seizure history.

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 Amifampridine with Haloperidol?

MediHelp rates the interaction as moderate. Amifampridine and Haloperidol 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. Amifampridine causes dose-related seizures, and haloperidol can lower the seizure threshold. Combined use may increase seizure risk.

How serious is the interaction between Amifampridine and Haloperidol?

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 the lowest effective amifampridine dose and monitor for seizure activity; consider alternatives to haloperidol in patients with seizure history.

What other medicines interact with Haloperidol?

MediHelp also lists interactions of Haloperidol with, for example, Dofetilide, Dronedarone, Ibutilide. The full list is on the Haloperidol 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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