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Drug interactions

Meperidine + Selegiline

Severity: Contraindicated

Meperidine and Selegiline: contraindicated 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 with selegiline has caused serious reactions including agitation, hyperthermia and serotonin syndrome. Labeling for both drugs warns against the combination.

What this interaction means in plain words

Meperidine and Selegiline are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

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

Evidence level: High

Why it happens

MAO inhibition combined with meperidine's serotonin reuptake inhibition.

What to do

Avoid; use an alternative analgesic and observe the labeled washout period after selegiline, typically 14 days.

What to ask your pharmacist

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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 Meperidine with Selegiline?

MediHelp rates the interaction as contraindicated. Meperidine and Selegiline are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Meperidine with selegiline has caused serious reactions including agitation, hyperthermia and serotonin syndrome. Labeling for both drugs warns against the combination.

How serious is the interaction between Meperidine and Selegiline?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid; use an alternative analgesic and observe the labeled washout period after selegiline, typically 14 days.

What other medicines interact with Meperidine?

MediHelp also lists interactions of Meperidine with, for example, Alvimopan, Isocarboxazid, Methylene blue. The full list is on the Meperidine page.

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