Drug interactions
Dichlorphenamide + Insulin degludec / insulin aspart
Severity: Moderate
Dichlorphenamide and Insulin degludec / insulin aspart: 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
Insulin drives potassium into cells and can cause hypokalemia, while dichlorphenamide increases renal potassium loss. Together they can produce clinically significant hypokalemia, with a risk of weakness and arrhythmias.
What this interaction means in plain words
Dichlorphenamide and Insulin degludec / insulin aspart 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 hypokalemia from insulin-mediated cellular potassium uptake and carbonic anhydrase inhibitor-induced kaliuresis.
What to do
Monitor serum potassium regularly, particularly when starting or adjusting doses, and supplement potassium if low.
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 Dichlorphenamide
Frequently asked questions
Can I take Dichlorphenamide with Insulin degludec / insulin aspart?
MediHelp rates the interaction as moderate. Dichlorphenamide and Insulin degludec / insulin aspart 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. Insulin drives potassium into cells and can cause hypokalemia, while dichlorphenamide increases renal potassium loss. Together they can produce clinically significant hypokalemia, with a risk of weakness and arrhythmias.
How serious is the interaction between Dichlorphenamide and Insulin degludec / insulin aspart?
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 regularly, particularly when starting or adjusting doses, and supplement potassium if low.
What other medicines interact with Dichlorphenamide?
MediHelp also lists interactions of Dichlorphenamide with, for example, Acetazolamide, Acetylsalicylic acid, Ammonium chloride. The full list is on the Dichlorphenamide page.
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