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Drug interactions

Bupropion + Meperidine

Severity: Major

Bupropion and Meperidine: major 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

Meperidine's metabolite normeperidine is proconvulsant, and bupropion also lowers the seizure threshold. The combination may increase the risk of seizures, especially with higher doses or renal impairment.

What this interaction means in plain words

Bupropion and Meperidine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Bupropion belongs to Central Nervous System; Meperidine belongs to Musculoskeletal.

Evidence level: Low

Why it happens

Additive lowering of seizure threshold by bupropion and meperidine's neuroexcitatory metabolite normeperidine.

What to do

Prefer an alternative opioid with less seizure liability. If unavoidable, use the lowest doses for the shortest time and monitor for neuroexcitation or seizures.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Bupropion with Meperidine?

MediHelp rates the interaction as major. Bupropion and Meperidine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Meperidine's metabolite normeperidine is proconvulsant, and bupropion also lowers the seizure threshold. The combination may increase the risk of seizures, especially with higher doses or renal impairment.

How serious is the interaction between Bupropion and Meperidine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative opioid with less seizure liability. If unavoidable, use the lowest doses for the shortest time and monitor for neuroexcitation or seizures.

What other medicines interact with Bupropion?

MediHelp also lists interactions of Bupropion with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Bupropion page.

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