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Drug interactions

Carfilzomib + Dichlorphenamide

Severity: Moderate

Carfilzomib 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 lowers serum potassium and bicarbonate. Carfilzomib therapy is also associated with hypokalemia and cardiac toxicity, so combining them may increase the risk of electrolyte disturbance and arrhythmia.

What this interaction means in plain words

Carfilzomib 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.

Carfilzomib belongs to Oncology; Dichlorphenamide belongs to Miscellaneous.

Evidence level: Low

Why it happens

Additive potassium loss through carbonic anhydrase inhibition (renal potassium wasting) together with the electrolyte effects of carfilzomib.

What to do

Check serum potassium and bicarbonate at baseline and periodically, and correct potassium with supplementation 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Carfilzomib with Dichlorphenamide?

MediHelp rates the interaction as moderate. Carfilzomib 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 lowers serum potassium and bicarbonate. Carfilzomib therapy is also associated with hypokalemia and cardiac toxicity, so combining them may increase the risk of electrolyte disturbance and arrhythmia.

How serious is the interaction between Carfilzomib 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 correct potassium with supplementation as needed.

What other medicines interact with Carfilzomib?

MediHelp also lists interactions of Carfilzomib with, for example, Etrasimod, Ropeginterferon alfa 2b, Palifermin. The full list is on the Carfilzomib page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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