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Drug interactions

Difelikefalin + Lithium

Severity: Minor

Difelikefalin and Lithium: 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 can cause somnolence and dizziness, and lithium may also cause drowsiness. Combined use could increase sedation.

What this interaction means in plain words

Difelikefalin and Lithium 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; Lithium belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depressant effects.

What to do

Monitor for excessive drowsiness and dizziness, especially at initiation. Advise caution with driving.

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 Lithium?

MediHelp rates the interaction as minor. Difelikefalin and Lithium 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 can cause somnolence and dizziness, and lithium may also cause drowsiness. Combined use could increase sedation.

How serious is the interaction between Difelikefalin and Lithium?

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 excessive drowsiness and dizziness, especially at initiation. Advise caution with driving.

What other medicines interact with Lithium?

MediHelp also lists interactions of Lithium with, for example, Thioridazine, Vandetanib, Aceclofenac. The full list is on the Lithium 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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