Skip to content

Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Tolmetin

Severity: Major

Amlodipine-hydrochlorothiazide-valsartan and Tolmetin: major 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

Tolmetin, an NSAID, can blunt the blood pressure effect of valsartan and hydrochlorothiazide and increase the risk of acute kidney injury and hyperkalemia, particularly in elderly or volume-depleted patients.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Tolmetin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Tolmetin belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

NSAID inhibition of renal prostaglandin synthesis reduces glomerular perfusion and sodium excretion, antagonizing antihypertensives and compounding ARB and diuretic renal effects.

What to do

Avoid concurrent use where possible, or use the lowest dose for the shortest time. Monitor blood pressure, creatinine and potassium.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Amlodipine-hydrochlorothiazide-valsartan and Tolmetin, 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 Amlodipine-hydrochlorothiazide-valsartan with Tolmetin?

MediHelp rates the interaction as major. Amlodipine-hydrochlorothiazide-valsartan and Tolmetin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Tolmetin, an NSAID, can blunt the blood pressure effect of valsartan and hydrochlorothiazide and increase the risk of acute kidney injury and hyperkalemia, particularly in elderly or volume-depleted patients.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Tolmetin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where possible, or use the lowest dose for the shortest time. Monitor blood pressure, creatinine and potassium.

What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?

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