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Drug interactions

Olmesartan + Tolmetin

Severity: Moderate

Olmesartan and Tolmetin: 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

Tolmetin can diminish the blood pressure lowering effect of olmesartan. The combination can also cause renal function decline and hyperkalemia, particularly in elderly or volume-depleted patients.

What this interaction means in plain words

Olmesartan and Tolmetin 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; Tolmetin belongs to Musculoskeletal.

Evidence level: High

Why it happens

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

What to do

Monitor blood pressure, serum creatinine and potassium after initiation and periodically. Ensure hydration and avoid in significant renal impairment.

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 Tolmetin?

MediHelp rates the interaction as moderate. Olmesartan and Tolmetin 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. Tolmetin can diminish the blood pressure lowering effect of olmesartan. The combination can also cause renal function decline and hyperkalemia, particularly in elderly or volume-depleted patients.

How serious is the interaction between Olmesartan and Tolmetin?

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 after initiation and periodically. Ensure hydration and avoid in significant renal impairment.

What other medicines interact with Tolmetin?

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