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Drug interactions

Dapsone + Digoxin

Severity: Minor

Dapsone and Digoxin: minor 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

Antibiotic effects on gut flora can increase digoxin absorption in patients who convert it via Eggerthella lenta. Dapsone has limited antibacterial activity against such flora, so any effect is minor and poorly documented.

What this interaction means in plain words

Dapsone and Digoxin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Dapsone belongs to Anti Bacterial; Digoxin belongs to Cardiovascular.

Evidence level: Low

Why it happens

Possible alteration of gut bacteria that inactivate digoxin, raising its bioavailability.

What to do

No routine adjustment is needed; check digoxin levels if signs of toxicity appear.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Dapsone with Digoxin?

MediHelp rates the interaction as minor. Dapsone and Digoxin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antibiotic effects on gut flora can increase digoxin absorption in patients who convert it via Eggerthella lenta. Dapsone has limited antibacterial activity against such flora, so any effect is minor and poorly documented.

How serious is the interaction between Dapsone and Digoxin?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; check digoxin levels if signs of toxicity appear.

What other medicines interact with Dapsone?

MediHelp also lists interactions of Dapsone with, for example, Bcg vaccine live, Primaquine, Apalutamide. The full list is on the Dapsone 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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