Drug interactions
Methocarbamol + Methohexital
Severity: Moderate
Methocarbamol and Methohexital: 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 short-acting barbiturate anesthetic that causes deep CNS depression. Methocarbamol adds sedative effects, potentially prolonging or deepening sedation and respiratory depression.
What this interaction means in plain words
Methocarbamol and Methohexital 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.
Methocarbamol belongs to Musculoskeletal; Methohexital belongs to Central Nervous System.
Why it happens
Additive central nervous system depression through pharmacodynamic synergism.
What to do
Anesthesia staff should be aware of recent methocarbamol use and titrate methohexital carefully. Monitor ventilation and oxygenation during and after the procedure.
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?
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Other interactions of Methocarbamol
Other interactions of Methohexital
Frequently asked questions
Can I take Methocarbamol with Methohexital?
MediHelp rates the interaction as moderate. Methocarbamol and Methohexital 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 short-acting barbiturate anesthetic that causes deep CNS depression. Methocarbamol adds sedative effects, potentially prolonging or deepening sedation and respiratory depression.
How serious is the interaction between Methocarbamol and Methohexital?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Anesthesia staff should be aware of recent methocarbamol use and titrate methohexital carefully. Monitor ventilation and oxygenation during and after the procedure.
What other medicines interact with Methocarbamol?
MediHelp also lists interactions of Methocarbamol with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Methocarbamol page.
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