Drug interactions
Dexamethasone-tobramycin + Sunitinib
Severity: Moderate
Dexamethasone-tobramycin and Sunitinib: 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
Dexamethasone may lower sunitinib and its active metabolite concentrations through CYP3A4 induction, potentially reducing efficacy. The effect is likely smaller than with strong inducers.
What this interaction means in plain words
Dexamethasone-tobramycin and Sunitinib 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.
Dexamethasone-tobramycin belongs to Anti Bacterial; Sunitinib belongs to Oncology.
Why it happens
Dexamethasone induces CYP3A4, increasing sunitinib metabolism.
What to do
Monitor tumor response and consider limiting the dexamethasone course. Adjust sunitinib only if efficacy is clearly reduced.
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 Dexamethasone-tobramycin
Other interactions of Sunitinib
- Adagrasib + Sunitinib Major
- Amiodarone + Sunitinib Major
- Amisulpride + Sunitinib Major
- Anagrelide + Sunitinib Major
- Apalutamide + Sunitinib Major
- Arsenic trioxide + Sunitinib Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Sunitinib?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Sunitinib 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. Dexamethasone may lower sunitinib and its active metabolite concentrations through CYP3A4 induction, potentially reducing efficacy. The effect is likely smaller than with strong inducers.
How serious is the interaction between Dexamethasone-tobramycin and Sunitinib?
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 tumor response and consider limiting the dexamethasone course. Adjust sunitinib only if efficacy is clearly reduced.
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.
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