Drug interactions
Bendamustine + Dichlorphenamide
Severity: Moderate
Bendamustine 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
Dichlorphenamide commonly causes hypokalemia and metabolic acidosis. Bendamustine can also contribute to electrolyte disturbance, so low potassium may be more likely.
What this interaction means in plain words
Bendamustine 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.
Bendamustine belongs to Oncology; Dichlorphenamide belongs to Miscellaneous.
Why it happens
Additive potassium loss: carbonic anhydrase inhibition increases renal potassium excretion.
What to do
Check serum potassium and bicarbonate at baseline and periodically, and replace 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 Bendamustine
Other interactions of Dichlorphenamide
Frequently asked questions
Can I take Bendamustine with Dichlorphenamide?
MediHelp rates the interaction as moderate. Bendamustine 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. Dichlorphenamide commonly causes hypokalemia and metabolic acidosis. Bendamustine can also contribute to electrolyte disturbance, so low potassium may be more likely.
How serious is the interaction between Bendamustine 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: Check serum potassium and bicarbonate at baseline and periodically, and replace potassium as needed.
What other medicines interact with Bendamustine?
MediHelp also lists interactions of Bendamustine with, for example, Axicabtagene ciloleucel, Brexucabtagene autoleucel, Chlorambucil. The full list is on the Bendamustine page.
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