Drug interactions
Dexamethasone + Dichlorphenamide
Severity: Moderate
Dexamethasone and Dichlorphenamide: 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
Both drugs promote potassium loss, so combining them may cause clinically significant hypokalemia. Hypokalemia can lead to weakness and arrhythmias.
What this interaction means in plain words
Dexamethasone and Dichlorphenamide 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; Dichlorphenamide belongs to Miscellaneous.
Why it happens
Additive renal potassium wasting from carbonic anhydrase inhibition and corticosteroid mineralocorticoid-like effects.
What to do
Monitor serum potassium and bicarbonate regularly and supplement potassium as needed.
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
Other interactions of Dichlorphenamide
Frequently asked questions
Can I take Dexamethasone with Dichlorphenamide?
MediHelp rates the interaction as moderate. Dexamethasone and Dichlorphenamide 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. Both drugs promote potassium loss, so combining them may cause clinically significant hypokalemia. Hypokalemia can lead to weakness and arrhythmias.
How serious is the interaction between Dexamethasone and Dichlorphenamide?
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 bicarbonate regularly and supplement potassium as needed.
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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