Drug interactions
Dexamethasone + Glipizide-metformin
Severity: Moderate
Dexamethasone and Glipizide-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 raises blood glucose and can counteract glipizide and metformin. Marked hyperglycemia can occur, even with short courses.
What this interaction means in plain words
Dexamethasone and Glipizide-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; Glipizide-metformin belongs to Endocrine.
Why it happens
Glucocorticoids stimulate hepatic gluconeogenesis and cause insulin resistance, opposing the effect of the antidiabetic drugs.
What to do
Increase glucose monitoring during dexamethasone therapy and titrate the antidiabetic regimen, then reduce doses on withdrawal to prevent 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 Glipizide-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 Glipizide-metformin?
MediHelp rates the interaction as moderate. Dexamethasone and Glipizide-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 raises blood glucose and can counteract glipizide and metformin. Marked hyperglycemia can occur, even with short courses.
How serious is the interaction between Dexamethasone and Glipizide-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: Increase glucose monitoring during dexamethasone therapy and titrate the antidiabetic regimen, then reduce doses on withdrawal to prevent hypoglycemia.
What other medicines interact with Glipizide-metformin?
MediHelp also lists interactions of Glipizide-metformin with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Glipizide-metformin page.
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