Drug interactions
Duloxetine + Torsemide
Severity: Moderate
Duloxetine 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
Both drugs can lower serum sodium, so using them together may increase the risk of hyponatremia. Older patients are most at risk, with confusion, headache or falls as typical features.
What this interaction means in plain words
Duloxetine 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.
Duloxetine belongs to Central Nervous System; Torsemide belongs to Cardiovascular.
Why it happens
Diuretic-induced sodium loss combined with SNRI-associated SIADH produces additive hyponatremia.
What to do
Check serum sodium at baseline and within the first weeks of combined therapy, especially in older adults. Stop or switch the antidepressant if clinically significant hyponatremia 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?
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Other interactions of Torsemide
Other interactions of Duloxetine
- Duloxetine + Isocarboxazid Contraindicated
- Duloxetine + Linezolid Contraindicated
- Duloxetine + Methylene blue Contraindicated
- Duloxetine + Phenelzine Contraindicated
- Duloxetine + Procarbazine Contraindicated
- Duloxetine + Rasagiline Contraindicated
Frequently asked questions
Can I take Duloxetine with Torsemide?
MediHelp rates the interaction as moderate. Duloxetine 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. Both drugs can lower serum sodium, so using them together may increase the risk of hyponatremia. Older patients are most at risk, with confusion, headache or falls as typical features.
How serious is the interaction between Duloxetine 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: Check serum sodium at baseline and within the first weeks of combined therapy, especially in older adults. Stop or switch the antidepressant if clinically significant hyponatremia 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.
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