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Drug interactions

Maprotiline + Metaxalone

Severity: Moderate

Maprotiline and Metaxalone: 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

Maprotiline is a sedating tetracyclic antidepressant and may intensify metaxalone's drowsiness. Anticholinergic effects and a lowered seizure threshold with maprotiline add to the importance of watching for oversedation.

What this interaction means in plain words

Maprotiline and Metaxalone 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.

Maprotiline belongs to Central Nervous System; Metaxalone belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive central nervous system depression; possible weak additive serotonergic effects.

What to do

Monitor for excessive sedation and confusion, and for signs of serotonin toxicity. Reduce doses if impairment develops.

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 Maprotiline with Metaxalone?

MediHelp rates the interaction as moderate. Maprotiline and Metaxalone 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. Maprotiline is a sedating tetracyclic antidepressant and may intensify metaxalone's drowsiness. Anticholinergic effects and a lowered seizure threshold with maprotiline add to the importance of watching for oversedation.

How serious is the interaction between Maprotiline and Metaxalone?

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 for excessive sedation and confusion, and for signs of serotonin toxicity. Reduce doses if impairment develops.

What other medicines interact with Metaxalone?

MediHelp also lists interactions of Metaxalone with, for example, Alfentanil, Belladonna and opium, Benzhydrocodone / acetaminophen. The full list is on the Metaxalone 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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