Skip to content

Drug interactions

Fentanyl intranasal + Hydrochlorothiazide-irbesartan

Severity: Minor

Fentanyl intranasal and Hydrochlorothiazide-irbesartan: 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

Opioids can cause hypotension and may blunt diuretic effect via antidiuretic hormone release, while also causing urinary retention. Additive blood pressure lowering with the antihypertensive combination is also possible.

What this interaction means in plain words

Fentanyl intranasal and Hydrochlorothiazide-irbesartan 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

Opioid-induced ADH release and additive hypotensive effects; the combined effect is pharmacodynamic.

What to do

Monitor blood pressure, fluid status and urine output when fentanyl is started or the dose is changed. Adjust antihypertensive therapy if hypotension or fluid retention occurs.

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 Fentanyl intranasal and Hydrochlorothiazide-irbesartan, 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 Fentanyl intranasal with Hydrochlorothiazide-irbesartan?

MediHelp rates the interaction as minor. Fentanyl intranasal and Hydrochlorothiazide-irbesartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Opioids can cause hypotension and may blunt diuretic effect via antidiuretic hormone release, while also causing urinary retention. Additive blood pressure lowering with the antihypertensive combination is also possible.

How serious is the interaction between Fentanyl intranasal and Hydrochlorothiazide-irbesartan?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, fluid status and urine output when fentanyl is started or the dose is changed. Adjust antihypertensive therapy if hypotension or fluid retention occurs.

What other medicines interact with Hydrochlorothiazide-irbesartan?

MediHelp also lists interactions of Hydrochlorothiazide-irbesartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-irbesartan 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