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Drug interactions

Clorazepate + Methohexital

Severity: Major

Clorazepate and Methohexital: 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

Methohexital is a barbiturate anesthetic and with a benzodiazepine can produce additive sedation and respiratory depression. Hypotension and airway compromise may occur.

What this interaction means in plain words

Clorazepate and Methohexital 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.

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

Evidence level: Moderate

Why it happens

Additive GABA-A mediated CNS and respiratory depression.

What to do

Use in monitored settings, titrating methohexital to effect with lower doses. Ensure airway and ventilation support are available.

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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Frequently asked questions

Can I take Clorazepate with Methohexital?

MediHelp rates the interaction as major. Clorazepate and Methohexital 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. Methohexital is a barbiturate anesthetic and with a benzodiazepine can produce additive sedation and respiratory depression. Hypotension and airway compromise may occur.

How serious is the interaction between Clorazepate and Methohexital?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use in monitored settings, titrating methohexital to effect with lower doses. Ensure airway and ventilation support are available.

What other medicines interact with Clorazepate?

MediHelp also lists interactions of Clorazepate with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clorazepate page.

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