Drug interactions
Dexamethasone-tobramycin + Vilazodone
Severity: Minor
Dexamethasone-tobramycin and Vilazodone: 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
Dexamethasone is a CYP3A4 inducer and may lower vilazodone exposure, which could reduce antidepressant effect. The effect is mainly relevant with systemic dexamethasone given over a prolonged period. The dexamethasone-tobramycin pairing is typically an ophthalmic or otic product with minimal systemic absorption.
What this interaction means in plain words
Dexamethasone-tobramycin and Vilazodone 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; Vilazodone belongs to Central Nervous System.
Why it happens
Dexamethasone induces CYP3A4, increasing the metabolism of vilazodone, though induction is weak to moderate and systemic exposure from topical use is small.
What to do
With topical use no action is needed. If systemic dexamethasone is used long term, monitor for loss of antidepressant response and consider adjusting the vilazodone dose.
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?
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Other interactions of Dexamethasone-tobramycin
Other interactions of Vilazodone
- Isocarboxazid + Vilazodone Contraindicated
- Methylene blue + Vilazodone Contraindicated
- Phenelzine + Vilazodone Contraindicated
- Rasagiline + Vilazodone Contraindicated
- Selegiline transdermal + Vilazodone Contraindicated
- Selegiline + Vilazodone Contraindicated
Frequently asked questions
Can I take Dexamethasone-tobramycin with Vilazodone?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Vilazodone 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 is a CYP3A4 inducer and may lower vilazodone exposure, which could reduce antidepressant effect. The effect is mainly relevant with systemic dexamethasone given over a prolonged period. The dexamethasone-tobramycin pairing is typically an ophthalmic or otic product with minimal systemic absorption.
How serious is the interaction between Dexamethasone-tobramycin and Vilazodone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: With topical use no action is needed. If systemic dexamethasone is used long term, monitor for loss of antidepressant response and consider adjusting the vilazodone dose.
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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