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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Torsemide

Severity: Moderate

Amlodipine-hydrochlorothiazide-valsartan 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

Combining a loop diuretic with a thiazide produces strong sequential nephron blockade and increases the risk of volume depletion, hypotension, hypokalemia, hyponatremia and renal impairment. Valsartan can aggravate renal dysfunction in a volume-depleted patient.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan 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.

Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Torsemide belongs to Cardiovascular.

Evidence level: High

Why it happens

Additive diuresis and electrolyte loss from loop and thiazide diuretics, with ARB-related reduction in glomerular filtration under volume depletion.

What to do

Monitor electrolytes, renal function, weight and blood pressure after starting. Reduce diuretic doses if volume depletion or electrolyte disturbances develop.

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 Amlodipine-hydrochlorothiazide-valsartan with Torsemide?

MediHelp rates the interaction as moderate. Amlodipine-hydrochlorothiazide-valsartan 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. Combining a loop diuretic with a thiazide produces strong sequential nephron blockade and increases the risk of volume depletion, hypotension, hypokalemia, hyponatremia and renal impairment. Valsartan can aggravate renal dysfunction in a volume-depleted patient.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan 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 electrolytes, renal function, weight and blood pressure after starting. Reduce diuretic doses if volume depletion or electrolyte disturbances develop.

What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?

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

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