Drug interactions
Dexamethasone-tobramycin + Vinorelbine
Severity: Minor
Dexamethasone-tobramycin and Vinorelbine: 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 slightly reduce vinorelbine exposure through CYP3A4 induction. The clinical relevance is small, particularly with the topical eye or ear combination product.
What this interaction means in plain words
Dexamethasone-tobramycin and Vinorelbine 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; Vinorelbine belongs to Oncology.
Why it happens
Dexamethasone may weakly induce CYP3A4, which metabolizes vinorelbine.
What to do
No routine action is needed; assess response to vinorelbine if prolonged high-dose 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 Vinorelbine
Frequently asked questions
Can I take Dexamethasone-tobramycin with Vinorelbine?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Vinorelbine 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 slightly reduce vinorelbine exposure through CYP3A4 induction. The clinical relevance is small, particularly with the topical eye or ear combination product.
How serious is the interaction between Dexamethasone-tobramycin and Vinorelbine?
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 routine action is needed; assess response to vinorelbine if prolonged high-dose 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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