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Drug interactions

Ethotoin + Midazolam

Severity: Moderate

Ethotoin and Midazolam: moderate 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

Ethotoin is a hydantoin anticonvulsant with sedative effects that may add to midazolam sedation. Hydantoins can also induce metabolic enzymes, which might reduce midazolam exposure over time.

What this interaction means in plain words

Ethotoin and Midazolam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Additive CNS depression, with possible CYP3A4 induction by the hydantoin class.

What to do

Monitor sedation and respiratory status, and titrate midazolam to effect. Expect that higher doses may be needed with prolonged ethotoin therapy.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Ethotoin with Midazolam?

MediHelp rates the interaction as moderate. Ethotoin and Midazolam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ethotoin is a hydantoin anticonvulsant with sedative effects that may add to midazolam sedation. Hydantoins can also induce metabolic enzymes, which might reduce midazolam exposure over time.

How serious is the interaction between Ethotoin and Midazolam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sedation and respiratory status, and titrate midazolam to effect. Expect that higher doses may be needed with prolonged ethotoin therapy.

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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