Drug interactions
Dexamethasone-tobramycin + Sitagliptin
Severity: Minor
Dexamethasone-tobramycin and Sitagliptin: 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 can raise blood glucose and reduce the effectiveness of sitagliptin. The effect is clinically relevant mainly with systemic or prolonged steroid exposure.
What this interaction means in plain words
Dexamethasone-tobramycin and Sitagliptin 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; Sitagliptin belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance and increased hepatic glucose production oppose the glucose-lowering effect.
What to do
Monitor blood glucose during steroid courses and adjust diabetes therapy if hyperglycemia appears.
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 Sitagliptin
- Albiglutide + Sitagliptin Moderate
- Amlodipine-benazepril + Sitagliptin Moderate
- Aripiprazole + Sitagliptin Moderate
- Asenapine + Sitagliptin Moderate
- Benazepril + Sitagliptin Moderate
- Captopril-hydrochlorothiazide + Sitagliptin Moderate
Frequently asked questions
Can I take Dexamethasone-tobramycin with Sitagliptin?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Sitagliptin 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 can raise blood glucose and reduce the effectiveness of sitagliptin. The effect is clinically relevant mainly with systemic or prolonged steroid exposure.
How serious is the interaction between Dexamethasone-tobramycin and Sitagliptin?
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 steroid courses and adjust diabetes therapy if hyperglycemia appears.
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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