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Drug interactions

Carbenoxolone + Telmisartan

Severity: Moderate

Carbenoxolone and Telmisartan: 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

Carbenoxolone has mineralocorticoid-like effects causing sodium and fluid retention, hypokalemia and hypertension. This can oppose telmisartan's antihypertensive effect, while potassium effects may partly offset each other.

What this interaction means in plain words

Carbenoxolone and Telmisartan 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: Low

Why it happens

Carbenoxolone inhibits 11-beta-hydroxysteroid dehydrogenase, producing mineralocorticoid excess that opposes ARB-mediated effects.

What to do

Monitor blood pressure, serum potassium and fluid status. Consider stopping carbenoxolone if hypertension or edema develops.

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 Carbenoxolone with Telmisartan?

MediHelp rates the interaction as moderate. Carbenoxolone and Telmisartan 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. Carbenoxolone has mineralocorticoid-like effects causing sodium and fluid retention, hypokalemia and hypertension. This can oppose telmisartan's antihypertensive effect, while potassium effects may partly offset each other.

How serious is the interaction between Carbenoxolone and Telmisartan?

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 potassium and fluid status. Consider stopping carbenoxolone if hypertension or edema develops.

What other medicines interact with Telmisartan?

MediHelp also lists interactions of Telmisartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan page.

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