Drug interactions
Dexamethasone-tobramycin + Nivolumab
Severity: Moderate
Dexamethasone-tobramycin and Nivolumab: 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
Systemic corticosteroids may blunt the immune activation on which nivolumab depends, although they are also used to treat immune-related adverse events. Topical or ophthalmic dexamethasone-tobramycin has negligible systemic exposure.
What this interaction means in plain words
Dexamethasone-tobramycin and Nivolumab 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; Nivolumab belongs to Oncology.
Why it happens
Pharmacodynamic antagonism: corticosteroid immunosuppression may counteract checkpoint-inhibitor-mediated T-cell activation.
What to do
Avoid unnecessary systemic corticosteroids before and during nivolumab therapy, reserving them for immune-related adverse events or essential indications. Topical ophthalmic use generally needs no change.
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 Nivolumab
- Nivolumab + Thalidomide Major
- Dexamethasone + Nivolumab Moderate
- Efgartigimod / hyaluronidase sc + Nivolumab Moderate
- Efgartigimod alfa + Nivolumab Moderate
- Nivolumab + Ponesimod Moderate
- Nivolumab + Rozanolixizumab Moderate
Frequently asked questions
Can I take Dexamethasone-tobramycin with Nivolumab?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Nivolumab 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. Systemic corticosteroids may blunt the immune activation on which nivolumab depends, although they are also used to treat immune-related adverse events. Topical or ophthalmic dexamethasone-tobramycin has negligible systemic exposure.
How serious is the interaction between Dexamethasone-tobramycin and Nivolumab?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary systemic corticosteroids before and during nivolumab therapy, reserving them for immune-related adverse events or essential indications. Topical ophthalmic use generally needs no change.
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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