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Drug interactions

Ethanol + Midazolam

Severity: Major

Ethanol and Midazolam: 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

Alcohol potentiates the sedative and respiratory depressant effects of midazolam. Impaired alertness, coordination and breathing may occur, especially at higher doses or in vulnerable patients.

What this interaction means in plain words

Ethanol and Midazolam 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.

Evidence level: High

Why it happens

Additive CNS depression through GABA-A potentiation by both agents.

What to do

Advise patients to avoid alcohol before and after midazolam, and for procedural sedation ask about recent alcohol intake and monitor oxygenation and ventilation closely.

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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References

Frequently asked questions

Can I take Ethanol with Midazolam?

MediHelp rates the interaction as major. Ethanol and Midazolam 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. Alcohol potentiates the sedative and respiratory depressant effects of midazolam. Impaired alertness, coordination and breathing may occur, especially at higher doses or in vulnerable patients.

How serious is the interaction between Ethanol and Midazolam?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid alcohol before and after midazolam, and for procedural sedation ask about recent alcohol intake and monitor oxygenation and ventilation closely.

What other medicines interact with Midazolam?

MediHelp also lists interactions of Midazolam with, for example, Atazanavir, Cobicistat, Darunavir. The full list is on the Midazolam page.

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