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Drug interactions

Dexamethasone-tobramycin + Perampanel

Severity: Minor

Dexamethasone-tobramycin and Perampanel: 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

Systemic dexamethasone may modestly lower perampanel concentrations through CYP3A4 induction, though the effect is far smaller than that of strong antiepileptic inducers. Topical use has minimal systemic exposure.

What this interaction means in plain words

Dexamethasone-tobramycin and Perampanel 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; Perampanel belongs to Central Nervous System.

Evidence level: Low

Why it happens

Dexamethasone induces CYP3A4, which participates in perampanel metabolism.

What to do

No routine adjustment is needed; monitor seizure control if prolonged systemic dexamethasone is started or stopped.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Dexamethasone-tobramycin with Perampanel?

MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Perampanel have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Systemic dexamethasone may modestly lower perampanel concentrations through CYP3A4 induction, though the effect is far smaller than that of strong antiepileptic inducers. Topical use has minimal systemic exposure.

How serious is the interaction between Dexamethasone-tobramycin and Perampanel?

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 routine adjustment is needed; monitor seizure control if prolonged systemic dexamethasone is started or stopped.

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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