Drug interactions
Dexamethasone-tobramycin + Miglitol
Severity: Minor
Dexamethasone-tobramycin and Miglitol: 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
Corticosteroids raise blood glucose and can reduce the effectiveness of antidiabetic drugs such as miglitol. With the ophthalmic or topical form of dexamethasone-tobramycin, systemic exposure is small and the effect is usually negligible.
What this interaction means in plain words
Dexamethasone-tobramycin and Miglitol 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; Miglitol belongs to Endocrine.
Why it happens
Glucocorticoids increase hepatic gluconeogenesis and insulin resistance, opposing the glucose-lowering effect of miglitol.
What to do
Monitor blood glucose when systemic or prolonged corticosteroid exposure occurs, and adjust antidiabetic therapy if hyperglycemia develops.
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 Miglitol
- Miglitol + Pramlintide Major
- Aripiprazole + Miglitol Moderate
- Asenapine + Miglitol Moderate
- Chlorthalidone + Miglitol Moderate
- Clozapine + Miglitol Moderate
- Cortisone + Miglitol Moderate
Frequently asked questions
Can I take Dexamethasone-tobramycin with Miglitol?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Miglitol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Corticosteroids raise blood glucose and can reduce the effectiveness of antidiabetic drugs such as miglitol. With the ophthalmic or topical form of dexamethasone-tobramycin, systemic exposure is small and the effect is usually negligible.
How serious is the interaction between Dexamethasone-tobramycin and Miglitol?
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 when systemic or prolonged corticosteroid exposure occurs, and adjust antidiabetic therapy if hyperglycemia develops.
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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