Skip to content

Drug interactions

Amobarbital + Buprenorphine transdermal

Severity: Major

Amobarbital and Buprenorphine transdermal: 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

Barbiturates combined with buprenorphine cause additive CNS and respiratory depression, with risk of profound sedation, coma or death. Barbiturate induction of CYP3A4 may also lower buprenorphine levels and reduce analgesia.

What this interaction means in plain words

Amobarbital and Buprenorphine transdermal 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: High

Why it happens

Additive CNS and respiratory depression plus CYP3A4 induction by amobarbital.

What to do

Use only when alternatives are inadequate, at the lowest effective doses, and monitor sedation and respiratory rate. Reassess analgesic response if amobarbital is started or stopped.

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 Amobarbital and Buprenorphine transdermal, 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 7 days on the web. No card needed.

Frequently asked questions

Can I take Amobarbital with Buprenorphine transdermal?

MediHelp rates the interaction as major. Amobarbital and Buprenorphine transdermal 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. Barbiturates combined with buprenorphine cause additive CNS and respiratory depression, with risk of profound sedation, coma or death. Barbiturate induction of CYP3A4 may also lower buprenorphine levels and reduce analgesia.

How serious is the interaction between Amobarbital and Buprenorphine transdermal?

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 only when alternatives are inadequate, at the lowest effective doses, and monitor sedation and respiratory rate. Reassess analgesic response if amobarbital is started or stopped.

What other medicines interact with Amobarbital?

MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital 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