Drug interactions
Thiamine + Torsemide
Severity: Minor
Thiamine and Torsemide: minor 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
Loop diuretics increase urinary loss of thiamine, and long-term use may contribute to thiamine deficiency, particularly in heart failure patients with poor intake.
What this interaction means in plain words
Thiamine and Torsemide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Increased renal excretion of water-soluble thiamine due to diuresis.
What to do
Consider thiamine supplementation in patients on long-term loop diuretics with poor nutrition or signs of deficiency.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Torsemide
Frequently asked questions
Can I take Thiamine with Torsemide?
MediHelp rates the interaction as minor. Thiamine and Torsemide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Loop diuretics increase urinary loss of thiamine, and long-term use may contribute to thiamine deficiency, particularly in heart failure patients with poor intake.
How serious is the interaction between Thiamine and Torsemide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider thiamine supplementation in patients on long-term loop diuretics with poor nutrition or signs of deficiency.
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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