Drug interactions
Dexamethasone + Linagliptin-metformin
Severity: Moderate
Dexamethasone and Linagliptin-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, which can substantially counteract metformin and linagliptin. Effects depend on dose and duration and can be marked in diabetic patients.
What this interaction means in plain words
Dexamethasone and Linagliptin-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; Linagliptin-metformin belongs to Endocrine.
Why it happens
Glucocorticoid-induced insulin resistance, increased hepatic gluconeogenesis and reduced peripheral glucose uptake.
What to do
Monitor blood glucose closely during dexamethasone courses and temporarily intensify antidiabetic therapy; reduce it again 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 Linagliptin-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 Linagliptin-metformin?
MediHelp rates the interaction as moderate. Dexamethasone and Linagliptin-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, which can substantially counteract metformin and linagliptin. Effects depend on dose and duration and can be marked in diabetic patients.
How serious is the interaction between Dexamethasone and Linagliptin-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 courses and temporarily intensify antidiabetic therapy; reduce it again as the steroid is tapered.
What other medicines interact with Linagliptin-metformin?
MediHelp also lists interactions of Linagliptin-metformin with, for example, Apalutamide, Carbamazepine, Contrast media. The full list is on the Linagliptin-metformin page.
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