Drug interactions
Dexamethasone-tobramycin + Rosiglitazone
Severity: Minor
Dexamethasone-tobramycin and Rosiglitazone: 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 raises blood glucose and may counteract the effect of rosiglitazone. With topical or ophthalmic use the effect is minimal, but systemic exposure can matter.
What this interaction means in plain words
Dexamethasone-tobramycin and Rosiglitazone 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; Rosiglitazone belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance and gluconeogenesis oppose the insulin-sensitizing effect of rosiglitazone.
What to do
Monitor blood glucose during systemic corticosteroid therapy and adjust antidiabetic treatment as needed.
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 Rosiglitazone
- Insulin aspart protamine / insulin aspart + Rosiglitazone Major
- Insulin aspart-insulin aspart protamine + Rosiglitazone Major
- Insulin aspart + Rosiglitazone Major
- Insulin degludec / insulin aspart + Rosiglitazone Major
- Insulin degludec-insulin aspart + Rosiglitazone Major
- Insulin degludec-liraglutide + Rosiglitazone Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Rosiglitazone?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Rosiglitazone 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 raises blood glucose and may counteract the effect of rosiglitazone. With topical or ophthalmic use the effect is minimal, but systemic exposure can matter.
How serious is the interaction between Dexamethasone-tobramycin and Rosiglitazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose during systemic corticosteroid therapy and adjust antidiabetic treatment as needed.
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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