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Drug interactions

Olmesartan + Piroxicam

Severity: Moderate

Olmesartan and Piroxicam: 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

Piroxicam can weaken the antihypertensive effect of olmesartan and together they raise the risk of acute kidney injury and hyperkalemia, particularly in older or volume-depleted patients.

What this interaction means in plain words

Olmesartan and Piroxicam 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.

Olmesartan belongs to Cardiovascular; Piroxicam belongs to Musculoskeletal.

Evidence level: High

Why it happens

NSAID inhibition of vasodilatory renal prostaglandins combined with ARB efferent arteriolar dilation reduces glomerular filtration and potassium excretion.

What to do

Monitor blood pressure, creatinine and potassium after starting and periodically. Maintain hydration and limit NSAID duration.

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 Olmesartan with Piroxicam?

MediHelp rates the interaction as moderate. Olmesartan and Piroxicam 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. Piroxicam can weaken the antihypertensive effect of olmesartan and together they raise the risk of acute kidney injury and hyperkalemia, particularly in older or volume-depleted patients.

How serious is the interaction between Olmesartan and Piroxicam?

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, creatinine and potassium after starting and periodically. Maintain hydration and limit NSAID duration.

What other medicines interact with Piroxicam?

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

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