Drug interactions
Meperidine + Tapentadol
Severity: Major
Meperidine and Tapentadol: 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
Two opioids give additive sedation and respiratory depression. Both have serotonergic or monoaminergic activity (meperidine serotonin reuptake inhibition, tapentadol noradrenaline reuptake inhibition), and serotonin syndrome is possible. Both can also lower seizure threshold.
What this interaction means in plain words
Meperidine and Tapentadol 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 belongs to Musculoskeletal; Tapentadol belongs to Musculoskeletal.
Why it happens
Additive opioid CNS depression plus additive serotonergic and noradrenergic effects and seizure threshold lowering.
What to do
Avoid using the two together; choose a single opioid. If unavoidable, use minimal doses and monitor respiration, sedation and signs of serotonin toxicity.
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?
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Other interactions of Meperidine
- Alvimopan + Meperidine Contraindicated
- Isocarboxazid + Meperidine Contraindicated
- Meperidine + Methylene blue Contraindicated
- Meperidine + Olanzapine / samidorphan Contraindicated
- Meperidine + Phenelzine Contraindicated
- Meperidine + Procarbazine Contraindicated
Other interactions of Tapentadol
- Calcium / magnesium / potassium / sodium oxybates + Tapentadol Contraindicated
- Isocarboxazid + Tapentadol Contraindicated
- Linezolid + Tapentadol Contraindicated
- Methylene blue + Tapentadol Contraindicated
- Olanzapine / samidorphan + Tapentadol Contraindicated
- Phenelzine + Tapentadol Contraindicated
Frequently asked questions
Can I take Meperidine with Tapentadol?
MediHelp rates the interaction as major. Meperidine and Tapentadol 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. Two opioids give additive sedation and respiratory depression. Both have serotonergic or monoaminergic activity (meperidine serotonin reuptake inhibition, tapentadol noradrenaline reuptake inhibition), and serotonin syndrome is possible. Both can also lower seizure threshold.
How serious is the interaction between Meperidine and Tapentadol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using the two together; choose a single opioid. If unavoidable, use minimal doses and monitor respiration, sedation and signs of serotonin toxicity.
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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