Drug interactions
Dexamethasone + Glyburide-metformin
Severity: Moderate
Dexamethasone and Glyburide-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 is a potent glucocorticoid that commonly causes hyperglycemia and can undermine glycemic control in patients taking glyburide and metformin. Effects can be marked with high or prolonged dosing.
What this interaction means in plain words
Dexamethasone and Glyburide-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; Glyburide-metformin belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance, increased hepatic gluconeogenesis and reduced insulin secretion oppose antidiabetic drug action.
What to do
Monitor blood glucose closely during dexamethasone therapy and increase or add antidiabetic therapy as needed. Reduce doses again as the steroid is tapered to avoid hypoglycemia.
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 Glyburide-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 Glyburide-metformin?
MediHelp rates the interaction as moderate. Dexamethasone and Glyburide-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 is a potent glucocorticoid that commonly causes hyperglycemia and can undermine glycemic control in patients taking glyburide and metformin. Effects can be marked with high or prolonged dosing.
How serious is the interaction between Dexamethasone and Glyburide-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 closely during dexamethasone therapy and increase or add antidiabetic therapy as needed. Reduce doses again as the steroid is tapered to avoid hypoglycemia.
What other medicines interact with Glyburide-metformin?
MediHelp also lists interactions of Glyburide-metformin with, for example, Bosentan, Cholic acid, Clarithromycin. The full list is on the Glyburide-metformin page.
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