Drug interactions
Bendroflumethiazide + Dexamethasone
Severity: Moderate
Bendroflumethiazide 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
Thiazide diuretics and corticosteroids both promote potassium loss. Combined use increases the risk of hypokalemia, though dexamethasone has little mineralocorticoid activity.
What this interaction means in plain words
Bendroflumethiazide 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.
Why it happens
Additive renal potassium excretion.
What to do
Monitor serum potassium and replace or add a potassium-sparing agent if low, especially in patients on digoxin.
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 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 Bendroflumethiazide with Dexamethasone?
MediHelp rates the interaction as moderate. Bendroflumethiazide 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. Thiazide diuretics and corticosteroids both promote potassium loss. Combined use increases the risk of hypokalemia, though dexamethasone has little mineralocorticoid activity.
How serious is the interaction between Bendroflumethiazide 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 serum potassium and replace or add a potassium-sparing agent if low, especially in patients on digoxin.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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