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Drug interactions

Methocarbamol + Temazepam

Severity: Major

Methocarbamol and Temazepam: major interaction.

Last updated Sources: US FDA label

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

Temazepam is a benzodiazepine hypnotic, and methocarbamol adds CNS depression. This raises the risk of oversedation, impaired coordination, falls and respiratory depression.

What this interaction means in plain words

Methocarbamol and Temazepam 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.

Methocarbamol belongs to Musculoskeletal; Temazepam belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depression via GABA-A enhancement and central muscle relaxation.

What to do

Use the lowest effective doses for the shortest time and monitor sedation, especially in older adults. Avoid alcohol and other sedatives.

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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References

Frequently asked questions

Can I take Methocarbamol with Temazepam?

MediHelp rates the interaction as major. Methocarbamol and Temazepam 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. Temazepam is a benzodiazepine hypnotic, and methocarbamol adds CNS depression. This raises the risk of oversedation, impaired coordination, falls and respiratory depression.

How serious is the interaction between Methocarbamol and Temazepam?

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 the lowest effective doses for the shortest time and monitor sedation, especially in older adults. Avoid alcohol and other sedatives.

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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