Drug interactions
Dexamethasone + Naloxegol
Severity: Moderate
Dexamethasone and Naloxegol: 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
Naloxegol is a CYP3A4 substrate, and CYP3A4 induction by dexamethasone may lower its concentrations and reduce relief of opioid-induced constipation.
What this interaction means in plain words
Dexamethasone and Naloxegol 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 belongs to Endocrine; Naloxegol belongs to Gastrointestinal Tract.
Why it happens
Dexamethasone induces CYP3A4, increasing naloxegol clearance.
What to do
Monitor bowel response; consider another laxative or an alternative agent if efficacy is lost during prolonged dexamethasone use.
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
- 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 Naloxegol
- Clarithromycin + Naloxegol Contraindicated
- Itraconazole + Naloxegol Contraindicated
- Ketoconazole + Naloxegol Contraindicated
- Naloxegol + Posaconazole Contraindicated
- Naloxegol + Voriconazole Contraindicated
- Bupropion-naltrexone + Naloxegol Major
Frequently asked questions
Can I take Dexamethasone with Naloxegol?
MediHelp rates the interaction as moderate. Dexamethasone and Naloxegol 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. Naloxegol is a CYP3A4 substrate, and CYP3A4 induction by dexamethasone may lower its concentrations and reduce relief of opioid-induced constipation.
How serious is the interaction between Dexamethasone and Naloxegol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor bowel response; consider another laxative or an alternative agent if efficacy is lost during prolonged dexamethasone use.
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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