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Drug interactions

Difelikefalin + Haloperidol

Severity: Minor

Difelikefalin and Haloperidol: 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

Difelikefalin is a peripherally restricted kappa-opioid agonist that can cause somnolence and dizziness. Combined with haloperidol, additive sedation and dizziness are possible.

What this interaction means in plain words

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

Difelikefalin belongs to Dermatology; Haloperidol belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depressant effects.

What to do

Monitor for drowsiness and dizziness, and counsel patients about fall risk.

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 Difelikefalin with Haloperidol?

MediHelp rates the interaction as minor. Difelikefalin and Haloperidol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Difelikefalin is a peripherally restricted kappa-opioid agonist that can cause somnolence and dizziness. Combined with haloperidol, additive sedation and dizziness are possible.

How serious is the interaction between Difelikefalin and Haloperidol?

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 for drowsiness and dizziness, and counsel patients about fall risk.

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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