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Drug interactions

Telmisartan + Torsemide

Severity: Moderate

Telmisartan and Torsemide: 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

Torsemide promotes potassium loss while telmisartan reduces it, so the net effect on potassium varies. The pair can also produce excessive blood pressure lowering and reduced renal function in volume-depleted patients.

What this interaction means in plain words

Telmisartan and Torsemide 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.

Telmisartan belongs to Cardiovascular; Torsemide belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Opposing renal potassium effects plus additive hemodynamic effects from diuresis and angiotensin receptor blockade.

What to do

Monitor serum potassium, creatinine and blood pressure after initiation or dose changes. Adjust the diuretic dose if hypotension or renal impairment 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 Telmisartan with Torsemide?

MediHelp rates the interaction as moderate. Telmisartan and Torsemide 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. Torsemide promotes potassium loss while telmisartan reduces it, so the net effect on potassium varies. The pair can also produce excessive blood pressure lowering and reduced renal function in volume-depleted patients.

How serious is the interaction between Telmisartan and Torsemide?

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 serum potassium, creatinine and blood pressure after initiation or dose changes. Adjust the diuretic dose if hypotension or renal impairment develops.

What other medicines interact with Torsemide?

MediHelp also lists interactions of Torsemide with, for example, Amikacin, Amiodarone, Carbenoxolone. The full list is on the Torsemide 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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