Drug interactions
Dexamethasone-tobramycin + Tazemetostat
Severity: Moderate
Dexamethasone-tobramycin and Tazemetostat: 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
Tazemetostat is a weak CYP3A inducer and is itself a CYP3A substrate, while dexamethasone is a CYP3A4 inducer that can lower tazemetostat exposure. Both effects could reduce efficacy of either drug, though clinical significance is uncertain.
What this interaction means in plain words
Dexamethasone-tobramycin and Tazemetostat 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-tobramycin belongs to Anti Bacterial; Tazemetostat belongs to Miscellaneous.
Why it happens
Mutual CYP3A4 induction leading to increased metabolism of both drugs.
What to do
Monitor tazemetostat response during systemic dexamethasone use and avoid prolonged coadministration where an alternative exists.
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-tobramycin
Other interactions of Tazemetostat
Frequently asked questions
Can I take Dexamethasone-tobramycin with Tazemetostat?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Tazemetostat 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. Tazemetostat is a weak CYP3A inducer and is itself a CYP3A substrate, while dexamethasone is a CYP3A4 inducer that can lower tazemetostat exposure. Both effects could reduce efficacy of either drug, though clinical significance is uncertain.
How serious is the interaction between Dexamethasone-tobramycin and Tazemetostat?
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 tazemetostat response during systemic dexamethasone use and avoid prolonged coadministration where an alternative exists.
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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