Skip to content

Drug interactions

Candesartan + Diflunisal

Severity: Moderate

Candesartan and Diflunisal: 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

Diflunisal can blunt candesartan's antihypertensive effect and, together, they raise the risk of acute kidney injury and hyperkalemia, particularly in elderly or volume-depleted patients.

What this interaction means in plain words

Candesartan and Diflunisal 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.

Candesartan belongs to Cardiovascular; Diflunisal belongs to Musculoskeletal.

Evidence level: High

Why it happens

NSAID inhibition of renal prostaglandins reduces glomerular perfusion, compounded by angiotensin receptor blockade.

What to do

Ensure hydration and monitor blood pressure, serum creatinine and potassium after starting the NSAID; avoid in patients with significant renal impairment or volume depletion.

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 Candesartan and Diflunisal, 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 Candesartan with Diflunisal?

MediHelp rates the interaction as moderate. Candesartan and Diflunisal 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. Diflunisal can blunt candesartan's antihypertensive effect and, together, they raise the risk of acute kidney injury and hyperkalemia, particularly in elderly or volume-depleted patients.

How serious is the interaction between Candesartan and Diflunisal?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ensure hydration and monitor blood pressure, serum creatinine and potassium after starting the NSAID; avoid in patients with significant renal impairment or volume depletion.

What other medicines interact with Diflunisal?

MediHelp also lists interactions of Diflunisal with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Diflunisal 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