Skip to content

Drug interactions

Buprenorphine subdermal implant + Paroxetine

Severity: Minor

Buprenorphine subdermal implant and Paroxetine: minor 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

Buprenorphine has a minor QT effect, and paroxetine has little, so additive QT risk is small. Serotonergic and CNS depressant effects are also possible but uncommon with buprenorphine.

What this interaction means in plain words

Buprenorphine subdermal implant and Paroxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Possible small additive effects on QT and serotonergic activity.

What to do

No change is routinely needed. Monitor for sedation and serotonin toxicity features, and check ECG in patients with long QT or other risk factors.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Buprenorphine subdermal implant and Paroxetine, 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 Buprenorphine subdermal implant with Paroxetine?

MediHelp rates the interaction as minor. Buprenorphine subdermal implant and Paroxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Buprenorphine has a minor QT effect, and paroxetine has little, so additive QT risk is small. Serotonergic and CNS depressant effects are also possible but uncommon with buprenorphine.

How serious is the interaction between Buprenorphine subdermal implant and Paroxetine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No change is routinely needed. Monitor for sedation and serotonin toxicity features, and check ECG in patients with long QT or other risk factors.

What other medicines interact with Paroxetine?

MediHelp also lists interactions of Paroxetine with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Paroxetine 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