Drug interactions
Canagliflozin-metformin + Dexamethasone
Severity: Moderate
Canagliflozin-metformin and Dexamethasone: 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 raise blood glucose and can offset the effect of metformin and canagliflozin. Hyperglycemia may be noticeable, particularly with high doses or prolonged courses, and glucose control may worsen.
What this interaction means in plain words
Canagliflozin-metformin and Dexamethasone 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.
Canagliflozin-metformin belongs to Endocrine; Dexamethasone belongs to Endocrine.
Why it happens
Glucocorticoids increase hepatic gluconeogenesis and induce peripheral insulin resistance, opposing the effects of antidiabetic drugs.
What to do
Monitor blood glucose more frequently during corticosteroid therapy and adjust antidiabetic therapy as needed; reduce the dose again when the steroid is tapered or stopped.
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 Canagliflozin-metformin
Other interactions of Dexamethasone
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- 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 Canagliflozin-metformin with Dexamethasone?
MediHelp rates the interaction as moderate. Canagliflozin-metformin and Dexamethasone 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 raise blood glucose and can offset the effect of metformin and canagliflozin. Hyperglycemia may be noticeable, particularly with high doses or prolonged courses, and glucose control may worsen.
How serious is the interaction between Canagliflozin-metformin and Dexamethasone?
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 more frequently during corticosteroid therapy and adjust antidiabetic therapy as needed; reduce the dose again when the steroid is tapered or stopped.
What other medicines interact with Canagliflozin-metformin?
MediHelp also lists interactions of Canagliflozin-metformin with, for example, Contrast media, Diatrizoate, Diatrizoate meglumine / diatrizoate. The full list is on the Canagliflozin-metformin page.
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