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Drug interactions

Methohexital + Tramadol

Severity: Moderate

Methohexital and Tramadol: 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

Methohexital is a barbiturate anesthetic, and with tramadol it adds CNS and respiratory depression and hypotension. Tramadol also lowers the seizure threshold, and methohexital can itself provoke seizure activity.

What this interaction means in plain words

Methohexital and Tramadol 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; Tramadol belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depression from opioid and barbiturate GABA-A effects.

What to do

Reduce methohexital dose as needed and monitor airway, respiration and blood pressure with continuous monitoring during anesthesia.

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 Tramadol?

MediHelp rates the interaction as moderate. Methohexital and Tramadol 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 is a barbiturate anesthetic, and with tramadol it adds CNS and respiratory depression and hypotension. Tramadol also lowers the seizure threshold, and methohexital can itself provoke seizure activity.

How serious is the interaction between Methohexital and Tramadol?

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 methohexital dose as needed and monitor airway, respiration and blood pressure with continuous monitoring during anesthesia.

What other medicines interact with Tramadol?

MediHelp also lists interactions of Tramadol with, for example, Isocarboxazid, Olanzapine / samidorphan, Phenelzine. The full list is on the Tramadol 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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