Drug interactions
Cisplatin + Dexamethasone-tobramycin
Severity: Major
Cisplatin and Dexamethasone-tobramycin: major 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
Cisplatin and tobramycin are both nephrotoxic and ototoxic, so combined use can cause additive kidney injury and hearing loss. The risk is greater with systemic aminoglycoside use, existing renal impairment or dehydration.
What this interaction means in plain words
Cisplatin and Dexamethasone-tobramycin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Cisplatin belongs to Oncology; Dexamethasone-tobramycin belongs to Anti Bacterial.
Why it happens
Additive proximal tubular toxicity and cochlear hair cell damage.
What to do
Avoid concurrent systemic use where possible. If unavoidable, ensure hydration, monitor creatinine, electrolytes (magnesium) and hearing, and use tobramycin levels.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Cisplatin and Dexamethasone-tobramycin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Dexamethasone-tobramycin
Other interactions of Cisplatin
- Cidofovir + Cisplatin Contraindicated
- Adefovir + Cisplatin Major
- Adenovirus types 4 and 7 live + Cisplatin Major
- Amikacin + Cisplatin Major
- Amphotericin b deoxycholate + Cisplatin Major
- Amphotericin b + Cisplatin Major
Frequently asked questions
Can I take Cisplatin with Dexamethasone-tobramycin?
MediHelp rates the interaction as major. Cisplatin and Dexamethasone-tobramycin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Cisplatin and tobramycin are both nephrotoxic and ototoxic, so combined use can cause additive kidney injury and hearing loss. The risk is greater with systemic aminoglycoside use, existing renal impairment or dehydration.
How serious is the interaction between Cisplatin and Dexamethasone-tobramycin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent systemic use where possible. If unavoidable, ensure hydration, monitor creatinine, electrolytes (magnesium) and hearing, and use tobramycin levels.
What other medicines interact with Dexamethasone-tobramycin?
MediHelp also lists interactions of Dexamethasone-tobramycin with, for example, Capreomycin, Carboplatin, Ciprofloxacin. The full list is on the Dexamethasone-tobramycin page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
