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Drug interactions

Meperidine + Triclofos

Severity: Moderate

Meperidine and Triclofos: 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

Triclofos is a sedative-hypnotic that is converted to trichloroethanol, so combining it with meperidine increases sedation and the risk of respiratory depression. Effects may be greater in children and older adults.

What this interaction means in plain words

Meperidine and Triclofos 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.

Evidence level: Moderate

Why it happens

Additive CNS depression from trichloroethanol and the opioid.

What to do

Use the lowest effective doses and monitor sedation level and respiratory rate. Avoid driving and other hazardous tasks.

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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Frequently asked questions

Can I take Meperidine with Triclofos?

MediHelp rates the interaction as moderate. Meperidine and Triclofos 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. Triclofos is a sedative-hypnotic that is converted to trichloroethanol, so combining it with meperidine increases sedation and the risk of respiratory depression. Effects may be greater in children and older adults.

How serious is the interaction between Meperidine and Triclofos?

MediHelp rates it moderate, 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 and monitor sedation level and respiratory rate. Avoid driving and other hazardous tasks.

What other medicines interact with Meperidine?

MediHelp also lists interactions of Meperidine with, for example, Alvimopan, Isocarboxazid, Methylene blue. The full list is on the Meperidine page.

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