Drug interactions
Dexamethasone-tobramycin + Trabectedin
Severity: Minor
Dexamethasone-tobramycin and Trabectedin: 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
Trabectedin is metabolized by CYP3A4, and dexamethasone may modestly induce this enzyme. Dexamethasone is also given as premedication with trabectedin for hepatoprotection, so the combination is standard practice.
What this interaction means in plain words
Dexamethasone-tobramycin and Trabectedin 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; Trabectedin belongs to Oncology.
Why it happens
Weak CYP3A4 induction by dexamethasone may slightly increase trabectedin metabolism.
What to do
Give dexamethasone premedication as labeled; no adjustment is required.
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 Trabectedin
Frequently asked questions
Can I take Dexamethasone-tobramycin with Trabectedin?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Trabectedin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Trabectedin is metabolized by CYP3A4, and dexamethasone may modestly induce this enzyme. Dexamethasone is also given as premedication with trabectedin for hepatoprotection, so the combination is standard practice.
How serious is the interaction between Dexamethasone-tobramycin and Trabectedin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give dexamethasone premedication as labeled; no adjustment is required.
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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