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Drug interactions

Cisplatin + Tobramycin inhaled

Severity: Moderate

Cisplatin and Tobramycin inhaled: 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

Systemic aminoglycosides and cisplatin have additive nephrotoxicity and ototoxicity. Inhaled tobramycin has low systemic absorption, but accumulation is possible, especially in renal impairment.

What this interaction means in plain words

Cisplatin and Tobramycin inhaled 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.

Evidence level: Low

Why it happens

Additive renal tubular and cochlear toxicity from platinum and aminoglycoside exposure.

What to do

Monitor renal function, serum tobramycin levels if indicated, and hearing. Consider an alternative inhaled antibiotic when cisplatin is being given.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cisplatin with Tobramycin inhaled?

MediHelp rates the interaction as moderate. Cisplatin and Tobramycin inhaled 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. Systemic aminoglycosides and cisplatin have additive nephrotoxicity and ototoxicity. Inhaled tobramycin has low systemic absorption, but accumulation is possible, especially in renal impairment.

How serious is the interaction between Cisplatin and Tobramycin inhaled?

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 renal function, serum tobramycin levels if indicated, and hearing. Consider an alternative inhaled antibiotic when cisplatin is being given.

What other medicines interact with Cisplatin?

MediHelp also lists interactions of Cisplatin with, for example, Cidofovir, Adefovir, Adenovirus types 4 and 7 live. The full list is on the Cisplatin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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