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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Captopril

Severity: Major

Amlodipine-hydrochlorothiazide-valsartan and Captopril: 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

Combining captopril with valsartan results in dual renin-angiotensin system blockade. This increases the likelihood of hypotension, hyperkalemia and deterioration of renal function, with no clear added outcome benefit.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Captopril 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; Captopril belongs to Cardiovascular.

Evidence level: High

Why it happens

Additive pharmacodynamic inhibition of the renin-angiotensin-aldosterone system by an ACE inhibitor and an angiotensin receptor blocker.

What to do

Avoid concurrent use and choose one renin-angiotensin blocker. If both are given, check potassium and creatinine frequently and monitor blood pressure.

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.

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Frequently asked questions

Can I take Amlodipine-hydrochlorothiazide-valsartan with Captopril?

MediHelp rates the interaction as major. Amlodipine-hydrochlorothiazide-valsartan and Captopril 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. Combining captopril with valsartan results in dual renin-angiotensin system blockade. This increases the likelihood of hypotension, hyperkalemia and deterioration of renal function, with no clear added outcome benefit.

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

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 and choose one renin-angiotensin blocker. If both are given, check potassium and creatinine frequently and monitor blood pressure.

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.

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