Drug interactions
Dexamethasone-tobramycin + Oxcarbazepine
Severity: Minor
Dexamethasone-tobramycin and Oxcarbazepine: 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
Oxcarbazepine is a weak-to-moderate CYP3A4 inducer and may lower systemic dexamethasone exposure. With topical dexamethasone-tobramycin the effect is unlikely to matter.
What this interaction means in plain words
Dexamethasone-tobramycin and Oxcarbazepine 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; Oxcarbazepine belongs to Central Nervous System.
Why it happens
Oxcarbazepine induction of CYP3A4 increases dexamethasone metabolism.
What to do
No change is needed for topical use. With systemic dexamethasone, monitor for reduced response and raise the dose if needed.
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 Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Oxcarbazepine Major
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Oxcarbazepine?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Oxcarbazepine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oxcarbazepine is a weak-to-moderate CYP3A4 inducer and may lower systemic dexamethasone exposure. With topical dexamethasone-tobramycin the effect is unlikely to matter.
How serious is the interaction between Dexamethasone-tobramycin and Oxcarbazepine?
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 change is needed for topical use. With systemic dexamethasone, monitor for reduced response and raise the dose if needed.
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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