Drug interactions
Dexamethasone-tobramycin + Etoposide
Severity: Minor
Dexamethasone-tobramycin and Etoposide: minor 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 modestly induce CYP3A4 and reduce etoposide exposure, but the effect is uncertain and probably small. Topical dexamethasone adds negligible systemic effect.
What this interaction means in plain words
Dexamethasone-tobramycin and Etoposide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexamethasone-tobramycin belongs to Anti Bacterial; Etoposide belongs to Oncology.
Why it happens
Possible CYP3A4 induction by dexamethasone increases etoposide metabolism.
What to do
No adjustment is needed with topical use; monitor treatment response when systemic dexamethasone is used.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Dexamethasone-tobramycin
Other interactions of Etoposide
- Adenovirus types 4 and 7 live + Etoposide Contraindicated
- Etoposide + Pentostatin Contraindicated
- Cyclosporin + Etoposide Major
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Etoposide Major
- Etoposide + Fingolimod Major
- Etoposide + Fosphenytoin Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Etoposide?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Etoposide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dexamethasone may modestly induce CYP3A4 and reduce etoposide exposure, but the effect is uncertain and probably small. Topical dexamethasone adds negligible systemic effect.
How serious is the interaction between Dexamethasone-tobramycin and Etoposide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No adjustment is needed with topical use; monitor treatment response when systemic dexamethasone is used.
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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