Skip to content

Drug interactions

Pentazocine + Triclofos

Severity: Major

Pentazocine and Triclofos: 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

Triclofos is a sedative-hypnotic whose active metabolite trichloroethanol depresses the central nervous system. With an opioid it can increase sedation and respiratory depression.

What this interaction means in plain words

Pentazocine and Triclofos 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.

Evidence level: Moderate

Why it happens

Additive central nervous system and respiratory depression.

What to do

Avoid combining where possible, or use reduced doses with monitoring of sedation and respiratory rate. Avoid alcohol.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Pentazocine and Triclofos, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Pentazocine with Triclofos?

MediHelp rates the interaction as major. Pentazocine and Triclofos 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. Triclofos is a sedative-hypnotic whose active metabolite trichloroethanol depresses the central nervous system. With an opioid it can increase sedation and respiratory depression.

How serious is the interaction between Pentazocine and Triclofos?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible, or use reduced doses with monitoring of sedation and respiratory rate. Avoid alcohol.

What other medicines interact with Pentazocine?

MediHelp also lists interactions of Pentazocine with, for example, Calcium / magnesium / potassium / sodium oxybates, Olanzapine / samidorphan, Phenelzine. The full list is on the Pentazocine 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.

Browse A–Z · Drug interactions

Get the app Sign in