Skip to content

Drug interactions

Benazepril + Tamsulosin

Severity: Minor

Benazepril and Tamsulosin: 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

Tamsulosin and ACE inhibitors both lower blood pressure, so combined use may increase orthostatic hypotension, especially after the first doses. Elderly or volume-depleted patients are most susceptible.

What this interaction means in plain words

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

Benazepril belongs to Cardiovascular; Tamsulosin belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Additive hypotension from alpha-1 adrenergic blockade and ACE inhibition.

What to do

Check orthostatic blood pressure after starting or adjusting either drug and advise slow position changes.

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 Benazepril and Tamsulosin, 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 Benazepril with Tamsulosin?

MediHelp rates the interaction as minor. Benazepril and Tamsulosin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tamsulosin and ACE inhibitors both lower blood pressure, so combined use may increase orthostatic hypotension, especially after the first doses. Elderly or volume-depleted patients are most susceptible.

How serious is the interaction between Benazepril and Tamsulosin?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check orthostatic blood pressure after starting or adjusting either drug and advise slow position changes.

What other medicines interact with Tamsulosin?

MediHelp also lists interactions of Tamsulosin with, for example, Alfuzosin, Avanafil, Ceritinib. The full list is on the Tamsulosin 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