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Drug interactions

Levetiracetam + Morphine

Severity: Minor

Levetiracetam and Morphine: 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

Levetiracetam may cause somnolence and dizziness, which can add to the sedation of morphine. No notable pharmacokinetic interaction is expected.

What this interaction means in plain words

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

Levetiracetam belongs to Central Nervous System; Morphine belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive CNS depressant effects without a significant pharmacokinetic interaction.

What to do

Counsel patients about drowsiness and monitor for excessive sedation when starting or increasing either drug.

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 Levetiracetam with Morphine?

MediHelp rates the interaction as minor. Levetiracetam and Morphine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Levetiracetam may cause somnolence and dizziness, which can add to the sedation of morphine. No notable pharmacokinetic interaction is expected.

How serious is the interaction between Levetiracetam and Morphine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about drowsiness and monitor for excessive sedation when starting or increasing either drug.

What other medicines interact with Morphine?

MediHelp also lists interactions of Morphine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Morphine 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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