Drug interactions
Cortisone + Dexamethasone-tobramycin
Severity: Minor
Cortisone and Dexamethasone-tobramycin: 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
Cortisone and dexamethasone are both corticosteroids, so combined use gives duplicate glucocorticoid effects. The suggested reduction in dexamethasone exposure through CYP3A4 is not clinically meaningful.
What this interaction means in plain words
Cortisone and Dexamethasone-tobramycin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Therapeutic duplication; additive glucocorticoid effect.
What to do
Avoid unnecessary duplication of corticosteroids and consider total glucocorticoid dose when both are prescribed.
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
Frequently asked questions
Can I take Cortisone with Dexamethasone-tobramycin?
MediHelp rates the interaction as minor. Cortisone and Dexamethasone-tobramycin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cortisone and dexamethasone are both corticosteroids, so combined use gives duplicate glucocorticoid effects. The suggested reduction in dexamethasone exposure through CYP3A4 is not clinically meaningful.
How serious is the interaction between Cortisone and Dexamethasone-tobramycin?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary duplication of corticosteroids and consider total glucocorticoid dose when both are prescribed.
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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