Drug interactions
Dexamethasone-tobramycin + Omeprazole
Severity: Minor
Dexamethasone-tobramycin and Omeprazole: 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 may induce enzymes involved in omeprazole metabolism and slightly reduce its levels. The effect is not likely to matter clinically and systemic exposure from ophthalmic use is minimal.
What this interaction means in plain words
Dexamethasone-tobramycin and Omeprazole 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; Omeprazole belongs to Gastrointestinal Tract.
Why it happens
Enzyme induction by dexamethasone (CYP3A4 and possibly CYP2C19) may increase omeprazole clearance.
What to do
No action is usually required; reassess acid suppression if symptoms recur during prolonged systemic steroid therapy.
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 Omeprazole
- Mavacamten + Omeprazole Contraindicated
- Omeprazole + Rilpivirine Contraindicated
- Acalabrutinib + Omeprazole Major
- Atazanavir + Omeprazole Major
- Citalopram + Omeprazole Major
- Clopidogrel + Omeprazole Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Omeprazole?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Omeprazole 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 may induce enzymes involved in omeprazole metabolism and slightly reduce its levels. The effect is not likely to matter clinically and systemic exposure from ophthalmic use is minimal.
How serious is the interaction between Dexamethasone-tobramycin and Omeprazole?
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 action is usually required; reassess acid suppression if symptoms recur during prolonged systemic steroid therapy.
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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