Drug interactions
Tobramycin inhaled + Torsemide
Severity: Moderate
Tobramycin inhaled 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
Loop diuretics can add to aminoglycoside ototoxicity and nephrotoxicity, mainly with systemic aminoglycosides. Systemic absorption of inhaled tobramycin is low, but the product label advises caution in patients receiving diuretics.
What this interaction means in plain words
Tobramycin inhaled 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 ototoxicity and nephrotoxicity, with volume depletion increasing aminoglycoside exposure in the kidney and inner ear.
What to do
Avoid dehydration, and monitor renal function, hearing and serum tobramycin levels if renal impairment is present.
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 Tobramycin inhaled with Torsemide?
MediHelp rates the interaction as moderate. Tobramycin inhaled 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. Loop diuretics can add to aminoglycoside ototoxicity and nephrotoxicity, mainly with systemic aminoglycosides. Systemic absorption of inhaled tobramycin is low, but the product label advises caution in patients receiving diuretics.
How serious is the interaction between Tobramycin inhaled 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: Avoid dehydration, and monitor renal function, hearing and serum tobramycin levels if renal impairment is present.
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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