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Drug interactions

Methohexital + Propofol

Severity: Moderate

Methohexital and Propofol: 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

Both agents are intravenous general anesthetics that enhance GABA-A activity, so combined use produces additive sedation, hypotension and respiratory depression. Dose requirements of each drug fall when they are given together.

What this interaction means in plain words

Methohexital and Propofol 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.

Methohexital belongs to Central Nervous System; Propofol belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive GABA-A receptor-mediated CNS depression.

What to do

Reduce and titrate doses of each agent, and provide continuous monitoring of oxygenation, ventilation and blood pressure with airway support available.

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 Methohexital with Propofol?

MediHelp rates the interaction as moderate. Methohexital and Propofol 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. Both agents are intravenous general anesthetics that enhance GABA-A activity, so combined use produces additive sedation, hypotension and respiratory depression. Dose requirements of each drug fall when they are given together.

How serious is the interaction between Methohexital and Propofol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce and titrate doses of each agent, and provide continuous monitoring of oxygenation, ventilation and blood pressure with airway support available.

What other medicines interact with Propofol?

MediHelp also lists interactions of Propofol with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Propofol page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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