Drug interactions
Hydrochlorothiazide-valsartan + Torsemide
Severity: Moderate
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-containing product produces strong diuresis and can cause hypokalemia, hyponatremia, hypovolemia and hypotension. Adding valsartan may increase the risk of renal function decline when volume depleted.
What this interaction means in plain words
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.
Hydrochlorothiazide-valsartan belongs to Cardiovascular; Torsemide belongs to Cardiovascular.
Why it happens
Sequential nephron blockade by loop and thiazide diuretics produces additive natriuresis and potassium loss, with ARB reducing glomerular perfusion pressure.
What to do
Monitor electrolytes, creatinine, volume status and blood pressure, particularly in the first weeks. Reduce diuretic doses if hypovolemia or electrolyte disturbance occurs.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Hydrochlorothiazide-valsartan and Torsemide, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Hydrochlorothiazide-valsartan
- Aliskiren + Hydrochlorothiazide-valsartan Contraindicated
- Dofetilide + Hydrochlorothiazide-valsartan Contraindicated
- Hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-valsartan Major
- Amifostine + Hydrochlorothiazide-valsartan Major
- Amiloride + Hydrochlorothiazide-valsartan Major
Other interactions of Torsemide
Frequently asked questions
Can I take Hydrochlorothiazide-valsartan with Torsemide?
MediHelp rates the interaction as moderate. 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-containing product produces strong diuresis and can cause hypokalemia, hyponatremia, hypovolemia and hypotension. Adding valsartan may increase the risk of renal function decline when volume depleted.
How serious is the interaction between 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, creatinine, volume status and blood pressure, particularly in the first weeks. Reduce diuretic doses if hypovolemia or electrolyte disturbance occurs.
What other medicines interact with Hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan 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.
