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Drug interactions

Hydrochlorothiazide-irbesartan + Meclofenamate

Severity: Moderate

Hydrochlorothiazide-irbesartan and Meclofenamate: 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

NSAIDs can reduce the antihypertensive effect of irbesartan and hydrochlorothiazide. The triple combination of an ARB, a diuretic and an NSAID raises the risk of acute kidney injury, particularly in elderly or volume-depleted patients, and may cause hyperkalemia.

What this interaction means in plain words

Hydrochlorothiazide-irbesartan and Meclofenamate 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.

Evidence level: High

Why it happens

NSAIDs inhibit renal prostaglandin synthesis, reducing renal blood flow and sodium excretion, which opposes the antihypertensive drugs and impairs renal function.

What to do

Monitor blood pressure, serum creatinine and potassium, and maintain hydration. Use the lowest effective NSAID dose for the shortest time, or choose an alternative analgesic.

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.

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Frequently asked questions

Can I take Hydrochlorothiazide-irbesartan with Meclofenamate?

MediHelp rates the interaction as moderate. Hydrochlorothiazide-irbesartan and Meclofenamate 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. NSAIDs can reduce the antihypertensive effect of irbesartan and hydrochlorothiazide. The triple combination of an ARB, a diuretic and an NSAID raises the risk of acute kidney injury, particularly in elderly or volume-depleted patients, and may cause hyperkalemia.

How serious is the interaction between Hydrochlorothiazide-irbesartan and Meclofenamate?

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, serum creatinine and potassium, and maintain hydration. Use the lowest effective NSAID dose for the shortest time, or choose an alternative analgesic.

What other medicines interact with Hydrochlorothiazide-irbesartan?

MediHelp also lists interactions of Hydrochlorothiazide-irbesartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-irbesartan page.

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