Drug interactions
Dexamethasone + Vinorelbine
Severity: Minor
Dexamethasone 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 weakly induce CYP3A4 and lower vinorelbine concentrations. The clinical relevance is thought to be small and the two drugs are often given together in oncology practice.
What this interaction means in plain words
Dexamethasone 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 belongs to Endocrine; Vinorelbine belongs to Oncology.
Why it happens
CYP3A4 induction by dexamethasone may enhance the metabolism of vinorelbine.
What to do
No dose adjustment is usually needed; monitor blood counts and tumor response during therapy.
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
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Other interactions of Vinorelbine
Frequently asked questions
Can I take Dexamethasone with Vinorelbine?
MediHelp rates the interaction as minor. Dexamethasone 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 weakly induce CYP3A4 and lower vinorelbine concentrations. The clinical relevance is thought to be small and the two drugs are often given together in oncology practice.
How serious is the interaction between Dexamethasone 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 dose adjustment is usually needed; monitor blood counts and tumor response during therapy.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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