Drug interactions
Estazolam + Meperidine
Severity: Major
Estazolam and Meperidine: major interaction.
Last updated Sources: US FDA label
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
Opioids combined with benzodiazepines can cause profound sedation, respiratory depression, coma and death. This applies to estazolam and meperidine, and the risk rises with higher doses and in older or respiratory-compromised patients.
What this interaction means in plain words
Estazolam 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.
Why it happens
Additive CNS and respiratory depression via GABA-A potentiation and opioid receptor agonism.
What to do
Avoid concurrent use where possible, otherwise use the lowest doses for the shortest time. Monitor sedation and respiratory rate and consider supplying naloxone.
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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References
Other interactions of Meperidine
- Alvimopan + Meperidine Contraindicated
- Isocarboxazid + Meperidine Contraindicated
- Meperidine + Methylene blue Contraindicated
- Meperidine + Olanzapine / samidorphan Contraindicated
- Meperidine + Phenelzine Contraindicated
- Meperidine + Procarbazine Contraindicated
Frequently asked questions
Can I take Estazolam with Meperidine?
MediHelp rates the interaction as major. Estazolam 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. Opioids combined with benzodiazepines can cause profound sedation, respiratory depression, coma and death. This applies to estazolam and meperidine, and the risk rises with higher doses and in older or respiratory-compromised patients.
How serious is the interaction between Estazolam 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: Avoid concurrent use where possible, otherwise use the lowest doses for the shortest time. Monitor sedation and respiratory rate and consider supplying naloxone.
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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