Drug interactions
Bendroflumethiazide + Torsemide
Severity: Moderate
Bendroflumethiazide 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 sequential nephron blockade and a markedly enhanced diuresis. This can cause profound volume depletion, hypokalemia, hyponatremia and renal impairment.
What this interaction means in plain words
Bendroflumethiazide 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.
Why it happens
Additive natriuresis from blocking sodium reabsorption at both the loop of Henle and distal convoluted tubule.
What to do
Monitor electrolytes, renal function, weight and blood pressure within the first days of combination therapy. Start with low doses and supplement potassium or magnesium as needed.
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?
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Other interactions of Torsemide
Frequently asked questions
Can I take Bendroflumethiazide with Torsemide?
MediHelp rates the interaction as moderate. Bendroflumethiazide 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 sequential nephron blockade and a markedly enhanced diuresis. This can cause profound volume depletion, hypokalemia, hyponatremia and renal impairment.
How serious is the interaction between Bendroflumethiazide 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 within the first days of combination therapy. Start with low doses and supplement potassium or magnesium as needed.
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.
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