Drug interactions
Dexamethasone + Saxagliptin-metformin
Severity: Moderate
Dexamethasone and Saxagliptin-metformin: 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
Dexamethasone commonly causes hyperglycemia, which opposes the action of metformin and saxagliptin. It also induces CYP3A4, which may lower saxagliptin levels slightly, though the glucose effect dominates.
What this interaction means in plain words
Dexamethasone and Saxagliptin-metformin 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.
Dexamethasone belongs to Endocrine; Saxagliptin-metformin belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance and increased hepatic glucose output, with minor CYP3A4 induction.
What to do
Monitor blood glucose frequently during dexamethasone treatment and intensify antidiabetic therapy (often adding insulin) as needed; reduce doses as the steroid is tapered.
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 Saxagliptin-metformin
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Saxagliptin-metformin?
MediHelp rates the interaction as moderate. Dexamethasone and Saxagliptin-metformin 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. Dexamethasone commonly causes hyperglycemia, which opposes the action of metformin and saxagliptin. It also induces CYP3A4, which may lower saxagliptin levels slightly, though the glucose effect dominates.
How serious is the interaction between Dexamethasone and Saxagliptin-metformin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose frequently during dexamethasone treatment and intensify antidiabetic therapy (often adding insulin) as needed; reduce doses as the steroid is tapered.
What other medicines interact with Saxagliptin-metformin?
MediHelp also lists interactions of Saxagliptin-metformin with, for example, Atazanavir, Clozapine, Contrast media. The full list is on the Saxagliptin-metformin page.
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