Skip to content

Drug interactions

Lisinopril + Tadalafil

Severity: Moderate

Lisinopril and Tadalafil: moderate 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

Tadalafil can add to the antihypertensive effect of ACE inhibitors such as lisinopril. This may cause symptomatic hypotension, particularly at initiation or after dose changes.

What this interaction means in plain words

Lisinopril and Tadalafil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Lisinopril belongs to Cardiovascular; Tadalafil belongs to Genitourinary.

Evidence level: Moderate

Why it happens

Additive vasodilation from PDE5 inhibition and ACE inhibition.

What to do

Monitor blood pressure and orthostatic symptoms when tadalafil is started. Counsel patients on slow position changes and adjust doses if hypotension develops.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Lisinopril and Tadalafil, 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 Lisinopril with Tadalafil?

MediHelp rates the interaction as moderate. Lisinopril and Tadalafil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Tadalafil can add to the antihypertensive effect of ACE inhibitors such as lisinopril. This may cause symptomatic hypotension, particularly at initiation or after dose changes.

How serious is the interaction between Lisinopril and Tadalafil?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and orthostatic symptoms when tadalafil is started. Counsel patients on slow position changes and adjust doses if hypotension develops.

What other medicines interact with Tadalafil?

MediHelp also lists interactions of Tadalafil with, for example, Amyl nitrite, Isosorbide dinitrate, Isosorbide mononitrate. The full list is on the Tadalafil 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