Drug interactions
Dexamethasone-tobramycin + Imatinib
Severity: Moderate
Dexamethasone-tobramycin and Imatinib: 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 induce CYP3A4 and lower imatinib concentrations, potentially reducing its effect. This is mainly relevant with sustained systemic dexamethasone dosing.
What this interaction means in plain words
Dexamethasone-tobramycin and Imatinib 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; Imatinib belongs to Oncology.
Why it happens
CYP3A4 induction by dexamethasone increases imatinib clearance.
What to do
With prolonged systemic dexamethasone, monitor response to imatinib and consider a dose increase if efficacy falls.
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 Imatinib
- Imatinib + Lomitapide Contraindicated
- Imatinib + Lonafarnib Contraindicated
- Amobarbital + Imatinib Major
- Apalutamide + Imatinib Major
- Avapritinib + Imatinib Major
- Benzhydrocodone / acetaminophen + Imatinib Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Imatinib?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Imatinib 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 induce CYP3A4 and lower imatinib concentrations, potentially reducing its effect. This is mainly relevant with sustained systemic dexamethasone dosing.
How serious is the interaction between Dexamethasone-tobramycin and Imatinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: With prolonged systemic dexamethasone, monitor response to imatinib and consider a dose increase if efficacy falls.
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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