Drug interactions
Metformin-sitagliptin + Triamcinolone acetonide injectable
Severity: Moderate
Metformin-sitagliptin and Triamcinolone acetonide injectable: moderate 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
Systemic corticosteroids such as injected triamcinolone raise blood glucose and can offset the effect of metformin and sitagliptin. Hyperglycemia may persist for days after an injection.
What this interaction means in plain words
Metformin-sitagliptin and Triamcinolone acetonide injectable can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Corticosteroids increase hepatic gluconeogenesis and peripheral insulin resistance, opposing antidiabetic effects.
What to do
Check blood glucose more often for several days after the injection. Temporarily adjust the antidiabetic regimen if hyperglycemia develops.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Metformin-sitagliptin
Frequently asked questions
Can I take Metformin-sitagliptin with Triamcinolone acetonide injectable?
MediHelp rates the interaction as moderate. Metformin-sitagliptin and Triamcinolone acetonide injectable can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Systemic corticosteroids such as injected triamcinolone raise blood glucose and can offset the effect of metformin and sitagliptin. Hyperglycemia may persist for days after an injection.
How serious is the interaction between Metformin-sitagliptin and Triamcinolone acetonide injectable?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check blood glucose more often for several days after the injection. Temporarily adjust the antidiabetic regimen if hyperglycemia develops.
What other medicines interact with Metformin-sitagliptin?
MediHelp also lists interactions of Metformin-sitagliptin with, for example, Clozapine, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Metformin-sitagliptin page.
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