Drug interactions
Dexamethasone-tobramycin + Sonidegib
Severity: Moderate
Dexamethasone-tobramycin and Sonidegib: 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
Sonidegib is mainly cleared by CYP3A4, and dexamethasone can induce this enzyme. Systemic dexamethasone could modestly lower sonidegib exposure.
What this interaction means in plain words
Dexamethasone-tobramycin and Sonidegib 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; Sonidegib belongs to Oncology.
Why it happens
CYP3A4 induction by dexamethasone increases sonidegib metabolism.
What to do
Monitor for reduced response with prolonged systemic dexamethasone. Prefer alternatives to strong inducers rather than dexamethasone.
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 Sonidegib
- Amiodarone + Sonidegib Major
- Apalutamide + Sonidegib Major
- Aprepitant + Sonidegib Major
- Armodafinil + Sonidegib Major
- Bosentan + Sonidegib Major
- Carbamazepine + Sonidegib Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Sonidegib?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Sonidegib 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. Sonidegib is mainly cleared by CYP3A4, and dexamethasone can induce this enzyme. Systemic dexamethasone could modestly lower sonidegib exposure.
How serious is the interaction between Dexamethasone-tobramycin and Sonidegib?
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 for reduced response with prolonged systemic dexamethasone. Prefer alternatives to strong inducers rather than dexamethasone.
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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