Drug interactions
Dexamethasone-tobramycin + Maraviroc
Severity: Moderate
Dexamethasone-tobramycin and Maraviroc: 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
Dexamethasone may induce CYP3A4 and lower maraviroc concentrations, potentially reducing antiviral efficacy.
What this interaction means in plain words
Dexamethasone-tobramycin and Maraviroc 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; Maraviroc belongs to Anti Virals.
Why it happens
Dexamethasone induces CYP3A4, which metabolizes maraviroc.
What to do
Monitor HIV viral response during prolonged dexamethasone therapy. Adjust maraviroc per label if used with other strong inducers.
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 Maraviroc
- Amobarbital + Maraviroc Major
- Apalutamide + Maraviroc Major
- Carbamazepine + Maraviroc Major
- Clarithromycin + Maraviroc Major
- Efavirenz + Maraviroc Major
- Enzalutamide + Maraviroc Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Maraviroc?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Maraviroc 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 may induce CYP3A4 and lower maraviroc concentrations, potentially reducing antiviral efficacy.
How serious is the interaction between Dexamethasone-tobramycin and Maraviroc?
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 HIV viral response during prolonged dexamethasone therapy. Adjust maraviroc per label if used with other strong inducers.
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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